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-rw-r--r--Documentation/DocBook/media/v4l/media-types.xml4
-rw-r--r--Documentation/watchdog/watchdog-parameters.txt4
-rw-r--r--MAINTAINERS8
-rw-r--r--arch/arm/boot/compressed/Makefile2
-rw-r--r--arch/arm/kernel/Makefile1
-rw-r--r--arch/arm/kvm/guest.c2
-rw-r--r--arch/arm/mm/pageattr.c3
-rw-r--r--arch/arm64/include/asm/pgtable.h7
-rw-r--r--arch/arm64/kvm/guest.c2
-rw-r--r--arch/arm64/mm/init.c4
-rw-r--r--arch/mips/jz4740/gpio.c2
-rw-r--r--arch/mips/kernel/r2300_fpu.S2
-rw-r--r--arch/mips/kernel/r4k_fpu.S2
-rw-r--r--arch/mips/kernel/traps.c13
-rw-r--r--arch/mips/kvm/mips.c4
-rw-r--r--arch/mips/mm/sc-mips.c13
-rw-r--r--arch/parisc/include/asm/floppy.h2
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h3
-rw-r--r--arch/parisc/kernel/ptrace.c16
-rw-r--r--arch/parisc/kernel/syscall.S5
-rw-r--r--arch/parisc/kernel/syscall_table.S1
-rw-r--r--arch/powerpc/kernel/hw_breakpoint.c3
-rw-r--r--arch/powerpc/mm/hugetlbpage-book3e.c13
-rw-r--r--arch/sparc/Makefile6
-rw-r--r--arch/sparc/include/uapi/asm/unistd.h3
-rw-r--r--arch/sparc/kernel/entry.S17
-rw-r--r--arch/sparc/kernel/hvcalls.S3
-rw-r--r--arch/sparc/kernel/signal_64.c2
-rw-r--r--arch/sparc/kernel/sparc_ksyms_64.c1
-rw-r--r--arch/sparc/kernel/syscalls.S36
-rw-r--r--arch/sparc/kernel/systbls_32.S2
-rw-r--r--arch/sparc/kernel/systbls_64.S4
-rw-r--r--arch/um/kernel/reboot.c1
-rw-r--r--arch/um/kernel/signal.c2
-rw-r--r--arch/x86/kernel/acpi/sleep.c7
-rw-r--r--arch/x86/kvm/vmx.c14
-rw-r--r--arch/x86/kvm/x86.c9
-rw-r--r--arch/x86/um/os-Linux/task_size.c4
-rw-r--r--block/blk-map.c91
-rw-r--r--block/blk-merge.c8
-rw-r--r--drivers/acpi/nfit.c15
-rw-r--r--drivers/ata/ahci.c49
-rw-r--r--drivers/ata/ahci.h5
-rw-r--r--drivers/ata/ahci_xgene.c85
-rw-r--r--drivers/ata/libahci.c63
-rw-r--r--drivers/ata/libata-scsi.c11
-rw-r--r--drivers/ata/pata_rb532_cf.c11
-rw-r--r--drivers/cpufreq/Kconfig1
-rw-r--r--drivers/cpufreq/Kconfig.arm4
-rw-r--r--drivers/cpufreq/mt8173-cpufreq.c1
-rw-r--r--drivers/dma/pxa_dma.c8
-rw-r--r--drivers/gpio/gpio-rcar.c42
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cz_dpm.c7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c13
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c3
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c5
-rw-r--r--drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c1
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c2
-rw-r--r--drivers/gpu/drm/ast/ast_main.c2
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c32
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c8
-rw-r--r--drivers/gpu/host1x/bus.c2
-rw-r--r--drivers/gpu/host1x/dev.c7
-rw-r--r--drivers/gpu/host1x/dev.h1
-rw-r--r--drivers/i2c/busses/i2c-brcmstb.c3
-rw-r--r--drivers/infiniband/core/device.c1
-rw-r--r--drivers/infiniband/core/sa_query.c2
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c9
-rw-r--r--drivers/infiniband/hw/mlx5/srq.c41
-rw-r--r--drivers/iommu/amd_iommu.c4
-rw-r--r--drivers/iommu/amd_iommu_init.c63
-rw-r--r--drivers/iommu/dmar.c5
-rw-r--r--drivers/iommu/intel-iommu.c4
-rw-r--r--drivers/media/i2c/adp1653.c2
-rw-r--r--drivers/media/i2c/adv7604.c3
-rw-r--r--drivers/media/usb/au0828/au0828-video.c3
-rw-r--r--drivers/misc/cxl/pci.c2
-rw-r--r--drivers/mtd/ubi/upd.c2
-rw-r--r--drivers/nvme/host/core.c111
-rw-r--r--drivers/nvme/host/nvme.h8
-rw-r--r--drivers/nvme/host/pci.c149
-rw-r--r--drivers/pci/host/pci-keystone-dw.c11
-rw-r--r--drivers/pci/host/pci-layerscape.c21
-rw-r--r--drivers/scsi/ipr.c5
-rw-r--r--drivers/scsi/scsi_lib.c1
-rw-r--r--drivers/staging/media/davinci_vpfe/vpfe_video.c2
-rw-r--r--drivers/usb/chipidea/otg.c2
-rw-r--r--drivers/usb/serial/Kconfig16
-rw-r--r--drivers/usb/serial/Makefile1
-rw-r--r--drivers/usb/serial/cp210x.c1
-rw-r--r--drivers/usb/serial/mxu11x0.c1006
-rw-r--r--drivers/usb/serial/option.c5
-rw-r--r--drivers/usb/serial/qcserial.c7
-rw-r--r--drivers/vfio/pci/vfio_pci.c9
-rw-r--r--drivers/vfio/platform/vfio_platform_common.c9
-rw-r--r--drivers/vfio/vfio_iommu_type1.c6
-rw-r--r--drivers/vhost/vhost.c15
-rw-r--r--drivers/video/console/fbcon.c2
-rw-r--r--drivers/virtio/virtio_pci_modern.c2
-rw-r--r--drivers/watchdog/Kconfig11
-rw-r--r--drivers/watchdog/Makefile1
-rw-r--r--drivers/watchdog/sun4v_wdt.c191
-rw-r--r--fs/btrfs/root-tree.c10
-rw-r--r--fs/ceph/addr.c4
-rw-r--r--fs/ceph/caps.c27
-rw-r--r--fs/ceph/inode.c2
-rw-r--r--fs/ceph/mds_client.c16
-rw-r--r--fs/ceph/mds_client.h1
-rw-r--r--fs/ceph/super.h1
-rw-r--r--fs/cifs/cifsfs.c1
-rw-r--r--fs/cifs/cifsfs.h12
-rw-r--r--fs/cifs/cifssmb.c21
-rw-r--r--fs/cifs/smb2pdu.c24
-rw-r--r--fs/dcache.c20
-rw-r--r--fs/fs-writeback.c54
-rw-r--r--fs/jffs2/README.Locking5
-rw-r--r--fs/jffs2/build.c75
-rw-r--r--fs/jffs2/file.c39
-rw-r--r--fs/jffs2/gc.c17
-rw-r--r--fs/jffs2/nodelist.h6
-rw-r--r--fs/super.c1
-rw-r--r--fs/userfaultfd.c6
-rw-r--r--include/linux/ata.h4
-rw-r--r--include/linux/bio.h37
-rw-r--r--include/linux/blkdev.h25
-rw-r--r--include/linux/ceph/ceph_features.h1
-rw-r--r--include/linux/dcache.h4
-rw-r--r--include/linux/libata.h2
-rw-r--r--include/linux/trace_events.h2
-rw-r--r--include/linux/writeback.h5
-rw-r--r--include/uapi/linux/media.h54
-rw-r--r--kernel/trace/trace_events.c14
-rw-r--r--kernel/trace/trace_events_filter.c13
-rw-r--r--sound/core/control_compat.c90
-rw-r--r--sound/core/pcm_compat.c177
-rw-r--r--sound/core/rawmidi_compat.c56
-rw-r--r--sound/core/seq/oss/seq_oss.c2
-rw-r--r--sound/core/seq/oss/seq_oss_device.h1
-rw-r--r--sound/core/seq/oss/seq_oss_init.c16
-rw-r--r--sound/core/timer_compat.c18
-rw-r--r--sound/pci/hda/patch_hdmi.c19
-rw-r--r--sound/pci/hda/patch_realtek.c1
-rw-r--r--sound/pci/rme9652/hdsp.c4
-rw-r--r--sound/pci/rme9652/hdspm.c16
-rw-r--r--sound/usb/quirks.c1
148 files changed, 1763 insertions, 1593 deletions
diff --git a/Documentation/DocBook/media/v4l/media-types.xml b/Documentation/DocBook/media/v4l/media-types.xml
index 1af384250910..0ee0f3386cdf 100644
--- a/Documentation/DocBook/media/v4l/media-types.xml
+++ b/Documentation/DocBook/media/v4l/media-types.xml
@@ -57,10 +57,6 @@
<entry>Connector for a RGB composite signal.</entry>
</row>
<row>
- <entry><constant>MEDIA_ENT_F_CONN_TEST</constant></entry>
- <entry>Connector for a test generator.</entry>
- </row>
- <row>
<entry><constant>MEDIA_ENT_F_CAM_SENSOR</constant></entry>
<entry>Camera video sensor entity.</entry>
</row>
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt
index 9f9ec9f76039..4e4b6f10d841 100644
--- a/Documentation/watchdog/watchdog-parameters.txt
+++ b/Documentation/watchdog/watchdog-parameters.txt
@@ -400,3 +400,7 @@ wm8350_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
+sun4v_wdt:
+timeout_ms: Watchdog timeout in milliseconds 1..180000, default=60000)
+nowayout: Watchdog cannot be stopped once started
+-------------------------------------------------
diff --git a/MAINTAINERS b/MAINTAINERS
index da3e4d8016d0..f5e6a535bc34 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4518,6 +4518,12 @@ L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/dma/fsldma.*
+FREESCALE GPMI NAND DRIVER
+M: Han Xu <han.xu@nxp.com>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/nand/gpmi-nand/*
+
FREESCALE I2C CPM DRIVER
M: Jochen Friedrich <jochen@scram.de>
L: linuxppc-dev@lists.ozlabs.org
@@ -4534,7 +4540,7 @@ F: include/linux/platform_data/video-imxfb.h
F: drivers/video/fbdev/imxfb.c
FREESCALE QUAD SPI DRIVER
-M: Han Xu <han.xu@freescale.com>
+M: Han Xu <han.xu@nxp.com>
L: linux-mtd@lists.infradead.org
S: Maintained
F: drivers/mtd/spi-nor/fsl-quadspi.c
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 7a6a58ef8aaf..43788b1a1ac5 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -195,5 +195,7 @@ CFLAGS_font.o := -Dstatic=
$(obj)/font.c: $(FONTC)
$(call cmd,shipped)
+AFLAGS_hyp-stub.o := -Wa,-march=armv7-a
+
$(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S
$(call cmd,shipped)
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 2c5f160be65e..ad325a8c7e1e 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -88,6 +88,7 @@ obj-$(CONFIG_DEBUG_LL) += debug.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_ARM_VIRT_EXT) += hyp-stub.o
+AFLAGS_hyp-stub.o :=-Wa,-march=armv7-a
ifeq ($(CONFIG_ARM_PSCI),y)
obj-$(CONFIG_SMP) += psci_smp.o
endif
diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c
index 5fa69d7bae58..99361f11354a 100644
--- a/arch/arm/kvm/guest.c
+++ b/arch/arm/kvm/guest.c
@@ -161,7 +161,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
u64 val;
val = kvm_arm_timer_get_reg(vcpu, reg->id);
- return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id));
+ return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0;
}
static unsigned long num_core_regs(void)
diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c
index cf30daff8932..d19b1ad29b07 100644
--- a/arch/arm/mm/pageattr.c
+++ b/arch/arm/mm/pageattr.c
@@ -49,6 +49,9 @@ static int change_memory_common(unsigned long addr, int numpages,
WARN_ON_ONCE(1);
}
+ if (!numpages)
+ return 0;
+
if (start < MODULES_VADDR || start >= MODULES_END)
return -EINVAL;
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index bf464de33f52..f50608674580 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -34,13 +34,13 @@
/*
* VMALLOC and SPARSEMEM_VMEMMAP ranges.
*
- * VMEMAP_SIZE: allows the whole VA space to be covered by a struct page array
+ * VMEMAP_SIZE: allows the whole linear region to be covered by a struct page array
* (rounded up to PUD_SIZE).
* VMALLOC_START: beginning of the kernel VA space
* VMALLOC_END: extends to the available space below vmmemmap, PCI I/O space,
* fixed mappings and modules
*/
-#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT)) * sizeof(struct page), PUD_SIZE)
+#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT - 1)) * sizeof(struct page), PUD_SIZE)
#ifndef CONFIG_KASAN
#define VMALLOC_START (VA_START)
@@ -51,7 +51,8 @@
#define VMALLOC_END (PAGE_OFFSET - PUD_SIZE - VMEMMAP_SIZE - SZ_64K)
-#define vmemmap ((struct page *)(VMALLOC_END + SZ_64K))
+#define VMEMMAP_START (VMALLOC_END + SZ_64K)
+#define vmemmap ((struct page *)VMEMMAP_START - (memstart_addr >> PAGE_SHIFT))
#define FIRST_USER_ADDRESS 0UL
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index fcb778899a38..9e54ad7c240a 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -194,7 +194,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
u64 val;
val = kvm_arm_timer_get_reg(vcpu, reg->id);
- return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id));
+ return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0;
}
/**
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index f3b061e67bfe..7802f216a67a 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -319,8 +319,8 @@ void __init mem_init(void)
#endif
MLG(VMALLOC_START, VMALLOC_END),
#ifdef CONFIG_SPARSEMEM_VMEMMAP
- MLG((unsigned long)vmemmap,
- (unsigned long)vmemmap + VMEMMAP_SIZE),
+ MLG(VMEMMAP_START,
+ VMEMMAP_START + VMEMMAP_SIZE),
MLM((unsigned long)virt_to_page(PAGE_OFFSET),
(unsigned long)virt_to_page(high_memory)),
#endif
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 8c6d76c9b2d6..d9907e57e9b9 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -270,7 +270,7 @@ uint32_t jz_gpio_port_get_value(int port, uint32_t mask)
}
EXPORT_SYMBOL(jz_gpio_port_get_value);
-#define IRQ_TO_BIT(irq) BIT(irq_to_gpio(irq) & 0x1f)
+#define IRQ_TO_BIT(irq) BIT((irq - JZ4740_IRQ_GPIO(0)) & 0x1f)
static void jz_gpio_check_trigger_both(struct jz_gpio_chip *chip, unsigned int irq)
{
diff --git a/arch/mips/kernel/r2300_fpu.S b/arch/mips/kernel/r2300_fpu.S
index 5ce3b746cedc..b4ac6374a38f 100644
--- a/arch/mips/kernel/r2300_fpu.S
+++ b/arch/mips/kernel/r2300_fpu.S
@@ -125,7 +125,7 @@ LEAF(_restore_fp_context)
END(_restore_fp_context)
.set reorder
- .type fault@function
+ .type fault, @function
.ent fault
fault: li v0, -EFAULT
jr ra
diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S
index f09546ee2cdc..17732f876eff 100644
--- a/arch/mips/kernel/r4k_fpu.S
+++ b/arch/mips/kernel/r4k_fpu.S
@@ -358,7 +358,7 @@ LEAF(_restore_msa_all_upper)
.set reorder
- .type fault@function
+ .type fault, @function
.ent fault
fault: li v0, -EFAULT # failure
jr ra
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index ae790c575d4f..bf14da9f3e33 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -690,15 +690,15 @@ static int simulate_sync(struct pt_regs *regs, unsigned int opcode)
asmlinkage void do_ov(struct pt_regs *regs)
{
enum ctx_state prev_state;
- siginfo_t info;
+ siginfo_t info = {
+ .si_signo = SIGFPE,
+ .si_code = FPE_INTOVF,
+ .si_addr = (void __user *)regs->cp0_epc,
+ };
prev_state = exception_enter();
die_if_kernel("Integer overflow", regs);
- info.si_code = FPE_INTOVF;
- info.si_signo = SIGFPE;
- info.si_errno = 0;
- info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
exception_exit(prev_state);
}
@@ -874,7 +874,7 @@ out:
void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
const char *str)
{
- siginfo_t info;
+ siginfo_t info = { 0 };
char b[40];
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
@@ -903,7 +903,6 @@ void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
else
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
- info.si_errno = 0;
info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
break;
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 8bc3977576e6..3110447ab1e9 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -702,7 +702,7 @@ static int kvm_mips_get_reg(struct kvm_vcpu *vcpu,
} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U128) {
void __user *uaddr = (void __user *)(long)reg->addr;
- return copy_to_user(uaddr, vs, 16);
+ return copy_to_user(uaddr, vs, 16) ? -EFAULT : 0;
} else {
return -EINVAL;
}
@@ -732,7 +732,7 @@ static int kvm_mips_set_reg(struct kvm_vcpu *vcpu,
} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U128) {
void __user *uaddr = (void __user *)(long)reg->addr;
- return copy_from_user(vs, uaddr, 16);
+ return copy_from_user(vs, uaddr, 16) ? -EFAULT : 0;
} else {
return -EINVAL;
}
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index 249647578e58..91dec32c77b7 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -164,11 +164,13 @@ static int __init mips_sc_probe_cm3(void)
sets = cfg & CM_GCR_L2_CONFIG_SET_SIZE_MSK;
sets >>= CM_GCR_L2_CONFIG_SET_SIZE_SHF;
- c->scache.sets = 64 << sets;
+ if (sets)
+ c->scache.sets = 64 << sets;
line_sz = cfg & CM_GCR_L2_CONFIG_LINE_SIZE_MSK;
line_sz >>= CM_GCR_L2_CONFIG_LINE_SIZE_SHF;
- c->scache.linesz = 2 << line_sz;
+ if (line_sz)
+ c->scache.linesz = 2 << line_sz;
assoc = cfg & CM_GCR_L2_CONFIG_ASSOC_MSK;
assoc >>= CM_GCR_L2_CONFIG_ASSOC_SHF;
@@ -176,9 +178,12 @@ static int __init mips_sc_probe_cm3(void)
c->scache.waysize = c->scache.sets * c->scache.linesz;
c->scache.waybit = __ffs(c->scache.waysize);
- c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
+ if (c->scache.linesz) {
+ c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
+ return 1;
+ }
- return 1;
+ return 0;
}
static inline int __init mips_sc_probe(void)
diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h
index f84ff12574b7..6d8276cd25ca 100644
--- a/arch/parisc/include/asm/floppy.h
+++ b/arch/parisc/include/asm/floppy.h
@@ -33,7 +33,7 @@
* floppy accesses go through the track buffer.
*/
#define _CROSS_64KB(a,s,vdma) \
-(!vdma && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
+(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1)
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 35bdccbb2036..b75039f92116 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -361,8 +361,9 @@
#define __NR_membarrier (__NR_Linux + 343)
#define __NR_userfaultfd (__NR_Linux + 344)
#define __NR_mlock2 (__NR_Linux + 345)
+#define __NR_copy_file_range (__NR_Linux + 346)
-#define __NR_Linux_syscalls (__NR_mlock2 + 1)
+#define __NR_Linux_syscalls (__NR_copy_file_range + 1)
#define __IGNORE_select /* newselect */
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 9585c81f755f..ce0b2b4075c7 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -269,14 +269,19 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
long do_syscall_trace_enter(struct pt_regs *regs)
{
- long ret = 0;
-
/* Do the secure computing check first. */
secure_computing_strict(regs->gr[20]);
if (test_thread_flag(TIF_SYSCALL_TRACE) &&
- tracehook_report_syscall_entry(regs))
- ret = -1L;
+ tracehook_report_syscall_entry(regs)) {
+ /*
+ * Tracing decided this syscall should not happen or the
+ * debugger stored an invalid system call number. Skip
+ * the system call and the system call restart handling.
+ */
+ regs->gr[20] = -1UL;
+ goto out;
+ }
#ifdef CONFIG_64BIT
if (!is_compat_task())
@@ -290,7 +295,8 @@ long do_syscall_trace_enter(struct pt_regs *regs)
regs->gr[24] & 0xffffffff,
regs->gr[23] & 0xffffffff);
- return ret ? : regs->gr[20];
+out:
+ return regs->gr[20];
}
void do_syscall_trace_exit(struct pt_regs *regs)
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 3fbd7252a4b2..fbafa0d0e2bf 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -343,7 +343,7 @@ tracesys_next:
#endif
comiclr,>>= __NR_Linux_syscalls, %r20, %r0
- b,n .Lsyscall_nosys
+ b,n .Ltracesys_nosys
LDREGX %r20(%r19), %r19
@@ -359,6 +359,9 @@ tracesys_next:
be 0(%sr7,%r19)
ldo R%tracesys_exit(%r2),%r2
+.Ltracesys_nosys:
+ ldo -ENOSYS(%r0),%r28 /* set errno */
+
/* Do *not* call this function on the gateway page, because it
makes a direct call to syscall_trace. */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index d4ffcfbc9885..585d50fc75c0 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -441,6 +441,7 @@
ENTRY_SAME(membarrier)
ENTRY_SAME(userfaultfd)
ENTRY_SAME(mlock2) /* 345 */
+ ENTRY_SAME(copy_file_range)
.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 05e804cdecaa..aec9a1b1d25b 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -109,8 +109,9 @@ void arch_unregister_hw_breakpoint(struct perf_event *bp)
* If the breakpoint is unregistered between a hw_breakpoint_handler()
* and the single_step_dabr_instruction(), then cleanup the breakpoint
* restoration variables to prevent dangling pointers.
+ * FIXME, this should not be using bp->ctx at all! Sayeth peterz.
*/
- if (bp->ctx && bp->ctx->task)
+ if (bp->ctx && bp->ctx->task && bp->ctx->task != ((void *)-1L))
bp->ctx->task->thread.last_hit_ubp = NULL;
}
diff --git a/arch/powerpc/mm/hugetlbpage-book3e.c b/arch/powerpc/mm/hugetlbpage-book3e.c
index 7e6d0880813f..83a8be791e06 100644
--- a/arch/powerpc/mm/hugetlbpage-book3e.c
+++ b/arch/powerpc/mm/hugetlbpage-book3e.c
@@ -8,6 +8,8 @@
#include <linux/mm.h>
#include <linux/hugetlb.h>
+#include <asm/mmu.h>
+
#ifdef CONFIG_PPC_FSL_BOOK3E
#ifdef CONFIG_PPC64
static inline int tlb1_next(void)
@@ -60,6 +62,14 @@ static inline void book3e_tlb_lock(void)
unsigned long tmp;
int token = smp_processor_id() + 1;
+ /*
+ * Besides being unnecessary in the absence of SMT, this
+ * check prevents trying to do lbarx/stbcx. on e5500 which
+ * doesn't implement either feature.
+ */
+ if (!cpu_has_feature(CPU_FTR_SMT))
+ return;
+
asm volatile("1: lbarx %0, 0, %1;"
"cmpwi %0, 0;"
"bne 2f;"
@@ -80,6 +90,9 @@ static inline void book3e_tlb_unlock(void)
{
struct paca_struct *paca = get_paca();
+ if (!cpu_has_feature(CPU_FTR_SMT))
+ return;
+
isync();
paca->tcd_ptr->lock = 0;
}
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index eaee14637d93..8496a074bd0e 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -24,7 +24,13 @@ LDFLAGS := -m elf32_sparc
export BITS := 32
UTS_MACHINE := sparc
+# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
+# versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
+# give -mcpu=v8. This silently worked with older bintutils versions but
+# does not any more.
KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
+KBUILD_CFLAGS += -Wa,-Av8
+
KBUILD_AFLAGS += -m32 -Wa,-Av8
else
diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index 1c26d440d288..b6de8b10a55b 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -422,8 +422,9 @@
#define __NR_listen 354
#define __NR_setsockopt 355
#define __NR_mlock2 356
+#define __NR_copy_file_range 357
-#define NR_syscalls 357
+#define NR_syscalls 358
/* Bitmask values returned from kern_features system call. */
#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 33c02b15f478..a83707c83be8 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -948,7 +948,24 @@ linux_syscall_trace:
cmp %o0, 0
bne 3f
mov -ENOSYS, %o0
+
+ /* Syscall tracing can modify the registers. */
+ ld [%sp + STACKFRAME_SZ + PT_G1], %g1
+ sethi %hi(sys_call_table), %l7
+ ld [%sp + STACKFRAME_SZ + PT_I0], %i0
+ or %l7, %lo(sys_call_table), %l7
+ ld [%sp + STACKFRAME_SZ + PT_I1], %i1
+ ld [%sp + STACKFRAME_SZ + PT_I2], %i2
+ ld [%sp + STACKFRAME_SZ + PT_I3], %i3
+ ld [%sp + STACKFRAME_SZ + PT_I4], %i4
+ ld [%sp + STACKFRAME_SZ + PT_I5], %i5
+ cmp %g1, NR_syscalls
+ bgeu 3f
+ mov -ENOSYS, %o0
+
+ sll %g1, 2, %l4
mov %i0, %o0
+ ld [%l7 + %l4], %l7
mov %i1, %o1
mov %i2, %o2
mov %i3, %o3
diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S
index afbaba52d2f1..d127130bf424 100644
--- a/arch/sparc/kernel/hvcalls.S
+++ b/arch/sparc/kernel/hvcalls.S
@@ -338,8 +338,9 @@ ENTRY(sun4v_mach_set_watchdog)
mov %o1, %o4
mov HV_FAST_MACH_SET_WATCHDOG, %o5
ta HV_FAST_TRAP
+ brnz,a,pn %o4, 0f
stx %o1, [%o4]
- retl
+0: retl
nop
ENDPROC(sun4v_mach_set_watchdog)
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index d88beff47bab..39aaec173f66 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -52,7 +52,7 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
unsigned char fenab;
int err;
- flush_user_windows();
+ synchronize_user_stack();
if (get_thread_wsaved() ||
(((unsigned long)ucp) & (sizeof(unsigned long)-1)) ||
(!__access_ok(ucp, sizeof(*ucp))))
diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c
index a92d5d2c46a3..9e034f29dcc5 100644
--- a/arch/sparc/kernel/sparc_ksyms_64.c
+++ b/arch/sparc/kernel/sparc_ksyms_64.c
@@ -37,6 +37,7 @@ EXPORT_SYMBOL(sun4v_niagara_getperf);
EXPORT_SYMBOL(sun4v_niagara_setperf);
EXPORT_SYMBOL(sun4v_niagara2_getperf);
EXPORT_SYMBOL(sun4v_niagara2_setperf);
+EXPORT_SYMBOL(sun4v_mach_set_watchdog);
/* from hweight.S */
EXPORT_SYMBOL(__arch_hweight8);
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index bb0008927598..c4a1b5c40e4e 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -158,7 +158,25 @@ linux_syscall_trace32:
add %sp, PTREGS_OFF, %o0
brnz,pn %o0, 3f
mov -ENOSYS, %o0
+
+ /* Syscall tracing can modify the registers. */
+ ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
+ sethi %hi(sys_call_table32), %l7
+ ldx [%sp + PTREGS_OFF + PT_V9_I0], %i0
+ or %l7, %lo(sys_call_table32), %l7
+ ldx [%sp + PTREGS_OFF + PT_V9_I1], %i1
+ ldx [%sp + PTREGS_OFF + PT_V9_I2], %i2
+ ldx [%sp + PTREGS_OFF + PT_V9_I3], %i3
+ ldx [%sp + PTREGS_OFF + PT_V9_I4], %i4
+ ldx [%sp + PTREGS_OFF + PT_V9_I5], %i5
+
+ cmp %g1, NR_syscalls
+ bgeu,pn %xcc, 3f
+ mov -ENOSYS, %o0
+
+ sll %g1, 2, %l4
srl %i0, 0, %o0
+ lduw [%l7 + %l4], %l7
srl %i4, 0, %o4
srl %i1, 0, %o1
srl %i2, 0, %o2
@@ -170,7 +188,25 @@ linux_syscall_trace:
add %sp, PTREGS_OFF, %o0
brnz,pn %o0, 3f
mov -ENOSYS, %o0
+
+ /* Syscall tracing can modify the registers. */
+ ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
+ sethi %hi(sys_call_table64), %l7
+ ldx [%sp + PTREGS_OFF + PT_V9_I0], %i0
+ or %l7, %lo(sys_call_table64), %l7
+ ldx [%sp + PTREGS_OFF + PT_V9_I1], %i1
+ ldx [%sp + PTREGS_OFF + PT_V9_I2], %i2
+ ldx [%sp + PTREGS_OFF + PT_V9_I3], %i3
+ ldx [%sp + PTREGS_OFF + PT_V9_I4], %i4
+ ldx [%sp + PTREGS_OFF + PT_V9_I5], %i5
+
+ cmp %g1, NR_syscalls
+ bgeu,pn %xcc, 3f
+ mov -ENOSYS, %o0
+
+ sll %g1, 2, %l4
mov %i0, %o0
+ lduw [%l7 + %l4], %l7
mov %i1, %o1
mov %i2, %o2
mov %i3, %o3
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index e663b6c78de2..6c3dd6c52f8b 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -88,4 +88,4 @@ sys_call_table:
/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
/*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-/*355*/ .long sys_setsockopt, sys_mlock2
+/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 1557121f4cdc..12b524cfcfa0 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -89,7 +89,7 @@ sys_call_table32:
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
/*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
- .word compat_sys_setsockopt, sys_mlock2
+ .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range
#endif /* CONFIG_COMPAT */
@@ -170,4 +170,4 @@ sys_call_table:
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
/*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
- .word sys_setsockopt, sys_mlock2
+ .word sys_setsockopt, sys_mlock2, sys_copy_file_range
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 9bdf67a092a5..b60a9f8cda75 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -12,6 +12,7 @@
#include <skas.h>
void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
static void kill_off_processes(void)
{
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index fc8be0e3a4ff..57acbd67d85d 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -69,7 +69,7 @@ void do_signal(struct pt_regs *regs)
struct ksignal ksig;
int handled_sig = 0;
- if (get_signal(&ksig)) {
+ while (get_signal(&ksig)) {
handled_sig = 1;
/* Whee! Actually deliver the signal. */
handle_signal(&ksig, regs);
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index d1daead5fcdd..adb3eaf8fe2a 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -16,6 +16,7 @@
#include <asm/cacheflush.h>
#include <asm/realmode.h>
+#include <linux/ftrace.h>
#include "../../realmode/rm/wakeup.h"
#include "sleep.h"
@@ -107,7 +108,13 @@ int x86_acpi_suspend_lowlevel(void)
saved_magic = 0x123456789abcdef0L;
#endif /* CONFIG_64BIT */
+ /*
+ * Pause/unpause graph tracing around do_suspend_lowlevel as it has
+ * inconsistent call/return info after it jumps to the wakeup vector.
+ */
+ pause_graph_tracing();
do_suspend_lowlevel();
+ unpause_graph_tracing();
return 0;
}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e2951b6edbbc..0ff453749a90 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -596,6 +596,8 @@ struct vcpu_vmx {
/* Support for PML */
#define PML_ENTITY_NUM 512
struct page *pml_pg;
+
+ u64 current_tsc_ratio;
};
enum segment_cache_field {
@@ -2127,14 +2129,16 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */
- /* Setup TSC multiplier */
- if (cpu_has_vmx_tsc_scaling())
- vmcs_write64(TSC_MULTIPLIER,
- vcpu->arch.tsc_scaling_ratio);
-
vmx->loaded_vmcs->cpu = cpu;
}
+ /* Setup TSC multiplier */
+ if (kvm_has_tsc_control &&
+ vmx->current_tsc_ratio != vcpu->arch.tsc_scaling_ratio) {
+ vmx->current_tsc_ratio = vcpu->arch.tsc_scaling_ratio;
+ vmcs_write64(TSC_MULTIPLIER, vmx->current_tsc_ratio);
+ }
+
vmx_vcpu_pi_load(vcpu, cpu);
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f4891f2ece23..eaf6ee8c28b8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2752,7 +2752,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
}
kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu);
- vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD;
}
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
@@ -6619,12 +6618,12 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
* KVM_DEBUGREG_WONT_EXIT again.
*/
if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)) {
- int i;
-
WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP);
kvm_x86_ops->sync_dirty_debug_regs(vcpu);
- for (i = 0; i < KVM_NR_DB_REGS; i++)
- vcpu->arch.eff_db[i] = vcpu->arch.db[i];
+ kvm_update_dr0123(vcpu);
+ kvm_update_dr6(vcpu);
+ kvm_update_dr7(vcpu);
+ vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
}
/*
diff --git a/arch/x86/um/os-Linux/task_size.c b/arch/x86/um/os-Linux/task_size.c
index 8502ad30e61b..5adb6a2fd117 100644
--- a/arch/x86/um/os-Linux/task_size.c
+++ b/arch/x86/um/os-Linux/task_size.c
@@ -109,7 +109,7 @@ unsigned long os_get_top_address(void)
exit(1);
}
- printf("0x%x\n", bottom << UM_KERN_PAGE_SHIFT);
+ printf("0x%lx\n", bottom << UM_KERN_PAGE_SHIFT);
printf("Locating the top of the address space ... ");
fflush(stdout);
@@ -134,7 +134,7 @@ out:
exit(1);
}
top <<= UM_KERN_PAGE_SHIFT;
- printf("0x%x\n", top);
+ printf("0x%lx\n", top);
return top;
}
diff --git a/block/blk-map.c b/block/blk-map.c
index f565e11f465a..a54f0543b956 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -57,6 +57,49 @@ static int __blk_rq_unmap_user(struct bio *bio)
return ret;
}
+static int __blk_rq_map_user_iov(struct request *rq,
+ struct rq_map_data *map_data, struct iov_iter *iter,
+ gfp_t gfp_mask, bool copy)
+{
+ struct request_queue *q = rq->q;
+ struct bio *bio, *orig_bio;
+ int ret;
+
+ if (copy)
+ bio = bio_copy_user_iov(q, map_data, iter, gfp_mask);
+ else
+ bio = bio_map_user_iov(q, iter, gfp_mask);
+
+ if (IS_ERR(bio))
+ return PTR_ERR(bio);
+
+ if (map_data && map_data->null_mapped)
+ bio_set_flag(bio, BIO_NULL_MAPPED);
+
+ iov_iter_advance(iter, bio->bi_iter.bi_size);
+ if (map_data)
+ map_data->offset += bio->bi_iter.bi_size;
+
+ orig_bio = bio;
+ blk_queue_bounce(q, &bio);
+
+ /*
+ * We link the bounce buffer in and could have to traverse it
+ * later so we have to get a ref to prevent it from being freed
+ */
+ bio_get(bio);
+
+ ret = blk_rq_append_bio(q, rq, bio);
+ if (ret) {
+ bio_endio(bio);
+ __blk_rq_unmap_user(orig_bio);
+ bio_put(bio);
+ return ret;
+ }
+
+ return 0;
+}
+
/**
* blk_rq_map_user_iov - map user data to a request, for REQ_TYPE_BLOCK_PC usage
* @q: request queue where request should be inserted
@@ -82,10 +125,11 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
struct rq_map_data *map_data,
const struct iov_iter *iter, gfp_t gfp_mask)
{
- struct bio *bio;
- int unaligned = 0;
- struct iov_iter i;
struct iovec iov, prv = {.iov_base = NULL, .iov_len = 0};
+ bool copy = (q->dma_pad_mask & iter->count) || map_data;
+ struct bio *bio = NULL;
+ struct iov_iter i;
+ int ret;
if (!iter || !iter->count)
return -EINVAL;
@@ -101,42 +145,29 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
*/
if ((uaddr & queue_dma_alignment(q)) ||
iovec_gap_to_prv(q, &prv, &iov))
- unaligned = 1;
+ copy = true;
prv.iov_base = iov.iov_base;
prv.iov_len = iov.iov_len;
}
- if (unaligned || (q->dma_pad_mask & iter->count) || map_data)
- bio = bio_copy_user_iov(q, map_data, iter, gfp_mask);
- else
- bio = bio_map_user_iov(q, iter, gfp_mask);
-
- if (IS_ERR(bio))
- return PTR_ERR(bio);
-
- if (map_data && map_data->null_mapped)
- bio_set_flag(bio, BIO_NULL_MAPPED);
-
- if (bio->bi_iter.bi_size != iter->count) {
- /*
- * Grab an extra reference to this bio, as bio_unmap_user()
- * expects to be able to drop it twice as it happens on the
- * normal IO completion path
- */
- bio_get(bio);
- bio_endio(bio);
- __blk_rq_unmap_user(bio);
- return -EINVAL;
- }
+ i = *iter;
+ do {
+ ret =__blk_rq_map_user_iov(rq, map_data, &i, gfp_mask, copy);
+ if (ret)
+ goto unmap_rq;
+ if (!bio)
+ bio = rq->bio;
+ } while (iov_iter_count(&i));
if (!bio_flagged(bio, BIO_USER_MAPPED))
rq->cmd_flags |= REQ_COPY_USER;
-
- blk_queue_bounce(q, &bio);
- bio_get(bio);
- blk_rq_bio_prep(q, rq, bio);
return 0;
+
+unmap_rq:
+ __blk_rq_unmap_user(bio);
+ rq->bio = NULL;
+ return -EINVAL;
}
EXPORT_SYMBOL(blk_rq_map_user_iov);
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 888a7fec81f7..261353166dcf 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -304,7 +304,6 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
struct bio *nxt)
{
struct bio_vec end_bv = { NULL }, nxt_bv;
- struct bvec_iter iter;
if (!blk_queue_cluster(q))
return 0;
@@ -316,11 +315,8 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
if (!bio_has_data(bio))
return 1;
- bio_for_each_segment(end_bv, bio, iter)
- if (end_bv.bv_len == iter.bi_size)
- break;
-
- nxt_bv = bio_iovec(nxt);
+ bio_get_last_bvec(bio, &end_bv);
+ bio_get_first_bvec(nxt, &nxt_bv);
if (!BIOVEC_PHYS_MERGEABLE(&end_bv, &nxt_bv))
return 0;
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index fb53db187854..35947ac87644 100644
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -1590,14 +1590,21 @@ static int acpi_nfit_find_poison(struct acpi_nfit_desc *acpi_desc,
start = ndr_desc->res->start;
len = ndr_desc->res->end - ndr_desc->res->start + 1;
+ /*
+ * If ARS is unimplemented, unsupported, or if the 'Persistent Memory
+ * Scrub' flag in extended status is not set, skip this but continue
+ * initialization
+ */
rc = ars_get_cap(nd_desc, ars_cap, start, len);
+ if (rc == -ENOTTY) {
+ dev_dbg(acpi_desc->dev,
+ "Address Range Scrub is not implemented, won't create an error list\n");
+ rc = 0;
+ goto out;
+ }
if (rc)
goto out;
- /*
- * If ARS is unsupported, or if the 'Persistent Memory Scrub' flag in
- * extended status is not set, skip this but continue initialization
- */
if ((ars_cap->status & 0xffff) ||
!(ars_cap->status >> 16 & ND_ARS_PERSISTENT)) {
dev_warn(acpi_desc->dev,
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 546a3692774f..146dc0b8ec61 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -367,15 +367,21 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -1325,6 +1331,44 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host)
{}
#endif
+#ifdef CONFIG_ARM64
+/*
+ * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
+ * Workaround is to make sure all pending IRQs are served before leaving
+ * handler.
+ */
+static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
+{
+ struct ata_host *host = dev_instance;
+ struct ahci_host_priv *hpriv;
+ unsigned int rc = 0;
+ void __iomem *mmio;
+ u32 irq_stat, irq_masked;
+ unsigned int handled = 1;
+
+ VPRINTK("ENTER\n");
+ hpriv = host->private_data;
+ mmio = hpriv->mmio;
+ irq_stat = readl(mmio + HOST_IRQ_STAT);
+ if (!irq_stat)
+ return IRQ_NONE;
+
+ do {
+ irq_masked = irq_stat & hpriv->port_map;
+ spin_lock(&host->lock);
+ rc = ahci_handle_port_intr(host, irq_masked);
+ if (!rc)
+ handled = 0;
+ writel(irq_stat, mmio + HOST_IRQ_STAT);
+ irq_stat = readl(mmio + HOST_IRQ_STAT);
+ spin_unlock(&host->lock);
+ } while (irq_stat);
+ VPRINTK("EXIT\n");
+
+ return IRQ_RETVAL(handled);
+}
+#endif
+
/*
* ahci_init_msix() - optionally enable per-port MSI-X otherwise defer
* to single msi.
@@ -1560,6 +1604,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ahci_broken_devslp(pdev))
hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
+#ifdef CONFIG_ARM64
+ if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
+ hpriv->irq_handler = ahci_thunderx_irq_handler;
+#endif
+
/* save initial config */
ahci_pci_save_initial_config(pdev, hpriv);
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index a44c75d4c284..167ba7e3b92e 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -240,8 +240,7 @@ enum {
error-handling stage) */
AHCI_HFLAG_NO_DEVSLP = (1 << 17), /* no device sleep */
AHCI_HFLAG_NO_FBS = (1 << 18), /* no FBS */
- AHCI_HFLAG_EDGE_IRQ = (1 << 19), /* HOST_IRQ_STAT behaves as
- Edge Triggered */
+
#ifdef CONFIG_PCI_MSI
AHCI_HFLAG_MULTI_MSI = (1 << 20), /* multiple PCI MSIs */
AHCI_HFLAG_MULTI_MSIX = (1 << 21), /* per-port MSI-X */
@@ -361,6 +360,7 @@ struct ahci_host_priv {
* be overridden anytime before the host is activated.
*/
void (*start_engine)(struct ata_port *ap);
+ irqreturn_t (*irq_handler)(int irq, void *dev_instance);
};
#ifdef CONFIG_PCI_MSI
@@ -424,6 +424,7 @@ int ahci_reset_em(struct ata_host *host);
void ahci_print_info(struct ata_host *host, const char *scc_s);
int ahci_host_activate(struct ata_host *host, struct scsi_host_template *sht);
void ahci_error_handler(struct ata_port *ap);
+u32 ahci_handle_port_intr(struct ata_host *host, u32 irq_masked);
static inline void __iomem *__ahci_port_base(struct ata_host *host,
unsigned int port_no)
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index e2c6d9e0c5ac..8e3f7faf00d3 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -548,6 +548,88 @@ softreset_retry:
return rc;
}
+/**
+ * xgene_ahci_handle_broken_edge_irq - Handle the broken irq.
+ * @ata_host: Host that recieved the irq
+ * @irq_masked: HOST_IRQ_STAT value
+ *
+ * For hardware with broken edge trigger latch
+ * the HOST_IRQ_STAT register misses the edge interrupt
+ * when clearing of HOST_IRQ_STAT register and hardware
+ * reporting the PORT_IRQ_STAT register at the
+ * same clock cycle.
+ * As such, the algorithm below outlines the workaround.
+ *
+ * 1. Read HOST_IRQ_STAT register and save the state.
+ * 2. Clear the HOST_IRQ_STAT register.
+ * 3. Read back the HOST_IRQ_STAT register.
+ * 4. If HOST_IRQ_STAT register equals to zero, then
+ * traverse the rest of port's PORT_IRQ_STAT register
+ * to check if an interrupt is triggered at that point else
+ * go to step 6.
+ * 5. If PORT_IRQ_STAT register of rest ports is not equal to zero
+ * then update the state of HOST_IRQ_STAT saved in step 1.
+ * 6. Handle port interrupts.
+ * 7. Exit
+ */
+static int xgene_ahci_handle_broken_edge_irq(struct ata_host *host,
+ u32 irq_masked)
+{
+ struct ahci_host_priv *hpriv = host->private_data;
+ void __iomem *port_mmio;
+ int i;
+
+ if (!readl(hpriv->mmio + HOST_IRQ_STAT)) {
+ for (i = 0; i < host->n_ports; i++) {
+ if (irq_masked & (1 << i))
+ continue;
+
+ port_mmio = ahci_port_base(host->ports[i]);
+ if (readl(port_mmio + PORT_IRQ_STAT))
+ irq_masked |= (1 << i);
+ }
+ }
+
+ return ahci_handle_port_intr(host, irq_masked);
+}
+
+static irqreturn_t xgene_ahci_irq_intr(int irq, void *dev_instance)
+{
+ struct ata_host *host = dev_instance;
+ struct ahci_host_priv *hpriv;
+ unsigned int rc = 0;
+ void __iomem *mmio;
+ u32 irq_stat, irq_masked;
+
+ VPRINTK("ENTER\n");
+
+ hpriv = host->private_data;
+ mmio = hpriv->mmio;
+
+ /* sigh. 0xffffffff is a valid return from h/w */
+ irq_stat = readl(mmio + HOST_IRQ_STAT);
+ if (!irq_stat)
+ return IRQ_NONE;
+
+ irq_masked = irq_stat & hpriv->port_map;
+
+ spin_lock(&host->lock);
+
+ /*
+ * HOST_IRQ_STAT behaves as edge triggered latch meaning that
+ * it should be cleared before all the port events are cleared.
+ */
+ writel(irq_stat, mmio + HOST_IRQ_STAT);
+
+ rc = xgene_ahci_handle_broken_edge_irq(host, irq_masked);
+
+ spin_unlock(&host->lock);
+
+ VPRINTK("EXIT\n");
+
+ return IRQ_RETVAL(rc);
+}
+
static struct ata_port_operations xgene_ahci_v1_ops = {
.inherits = &ahci_ops,
.host_stop = xgene_ahci_host_stop,
@@ -779,7 +861,8 @@ skip_clk_phy:
hpriv->flags = AHCI_HFLAG_NO_NCQ;
break;
case XGENE_AHCI_V2:
- hpriv->flags |= AHCI_HFLAG_YES_FBS | AHCI_HFLAG_EDGE_IRQ;
+ hpriv->flags |= AHCI_HFLAG_YES_FBS;
+ hpriv->irq_handler = xgene_ahci_irq_intr;
break;
default:
break;
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 402967902cbe..85ea5142a095 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -113,6 +113,7 @@ static ssize_t ahci_store_em_buffer(struct device *dev,
const char *buf, size_t size);
static ssize_t ahci_show_em_supported(struct device *dev,
struct device_attribute *attr, char *buf);
+static irqreturn_t ahci_single_level_irq_intr(int irq, void *dev_instance);
static DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
static DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
@@ -512,6 +513,9 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
if (!hpriv->start_engine)
hpriv->start_engine = ahci_start_engine;
+
+ if (!hpriv->irq_handler)
+ hpriv->irq_handler = ahci_single_level_irq_intr;
}
EXPORT_SYMBOL_GPL(ahci_save_initial_config);
@@ -1164,8 +1168,7 @@ static void ahci_port_init(struct device *dev, struct ata_port *ap,
/* mark esata ports */
tmp = readl(port_mmio + PORT_CMD);
- if ((tmp & PORT_CMD_HPCP) ||
- ((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS)))
+ if ((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS))
ap->pflags |= ATA_PFLAG_EXTERNAL;
}
@@ -1846,7 +1849,7 @@ static irqreturn_t ahci_multi_irqs_intr_hard(int irq, void *dev_instance)
return IRQ_HANDLED;
}
-static u32 ahci_handle_port_intr(struct ata_host *host, u32 irq_masked)
+u32 ahci_handle_port_intr(struct ata_host *host, u32 irq_masked)
{
unsigned int i, handled = 0;
@@ -1872,43 +1875,7 @@ static u32 ahci_handle_port_intr(struct ata_host *host, u32 irq_masked)
return handled;
}
-
-static irqreturn_t ahci_single_edge_irq_intr(int irq, void *dev_instance)
-{
- struct ata_host *host = dev_instance;
- struct ahci_host_priv *hpriv;
- unsigned int rc = 0;
- void __iomem *mmio;
- u32 irq_stat, irq_masked;
-
- VPRINTK("ENTER\n");
-
- hpriv = host->private_data;
- mmio = hpriv->mmio;
-
- /* sigh. 0xffffffff is a valid return from h/w */
- irq_stat = readl(mmio + HOST_IRQ_STAT);
- if (!irq_stat)
- return IRQ_NONE;
-
- irq_masked = irq_stat & hpriv->port_map;
-
- spin_lock(&host->lock);
-
- /*
- * HOST_IRQ_STAT behaves as edge triggered latch meaning that
- * it should be cleared before all the port events are cleared.
- */
- writel(irq_stat, mmio + HOST_IRQ_STAT);
-
- rc = ahci_handle_port_intr(host, irq_masked);
-
- spin_unlock(&host->lock);
-
- VPRINTK("EXIT\n");
-
- return IRQ_RETVAL(rc);
-}
+EXPORT_SYMBOL_GPL(ahci_handle_port_intr);
static irqreturn_t ahci_single_level_irq_intr(int irq, void *dev_instance)
{
@@ -2535,14 +2502,18 @@ int ahci_host_activate(struct ata_host *host, struct scsi_host_template *sht)
int irq = hpriv->irq;
int rc;
- if (hpriv->flags & (AHCI_HFLAG_MULTI_MSI | AHCI_HFLAG_MULTI_MSIX))
+ if (hpriv->flags & (AHCI_HFLAG_MULTI_MSI | AHCI_HFLAG_MULTI_MSIX)) {
+ if (hpriv->irq_handler)
+ dev_warn(host->dev, "both AHCI_HFLAG_MULTI_MSI flag set \
+ and custom irq handler implemented\n");
+
rc = ahci_host_activate_multi_irqs(host, sht);
- else if (hpriv->flags & AHCI_HFLAG_EDGE_IRQ)
- rc = ata_host_activate(host, irq, ahci_single_edge_irq_intr,
- IRQF_SHARED, sht);
- else
- rc = ata_host_activate(host, irq, ahci_single_level_irq_intr,
+ } else {
+ rc = ata_host_activate(host, irq, hpriv->irq_handler,
IRQF_SHARED, sht);
+ }
+
+
return rc;
}
EXPORT_SYMBOL_GPL(ahci_host_activate);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 7e959f90c020..e417e1a1d02c 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -675,19 +675,18 @@ static int ata_ioc32(struct ata_port *ap)
int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *scsidev,
int cmd, void __user *arg)
{
- int val = -EINVAL, rc = -EINVAL;
+ unsigned long val;
+ int rc = -EINVAL;
unsigned long flags;
switch (cmd) {
- case ATA_IOC_GET_IO32:
+ case HDIO_GET_32BIT:
spin_lock_irqsave(ap->lock, flags);
val = ata_ioc32(ap);
spin_unlock_irqrestore(ap->lock, flags);
- if (copy_to_user(arg, &val, 1))
- return -EFAULT;
- return 0;
+ return put_user(val, (unsigned long __user *)arg);
- case ATA_IOC_SET_IO32:
+ case HDIO_SET_32BIT:
val = (unsigned long) arg;
rc = 0;
spin_lock_irqsave(ap->lock, flags);
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index 12fe0f3bb7e9..c8b6a780a290 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -32,6 +32,8 @@
#include <linux/libata.h>
#include <scsi/scsi_host.h>
+#include <asm/mach-rc32434/rb.h>
+
#define DRV_NAME "pata-rb532-cf"
#define DRV_VERSION "0.1.0"
#define DRV_DESC "PATA driver for RouterBOARD 532 Compact Flash"
@@ -107,6 +109,7 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
int gpio;
struct resource *res;
struct ata_host *ah;
+ struct cf_device *pdata;
struct rb532_cf_info *info;
int ret;
@@ -122,7 +125,13 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
return -ENOENT;
}
- gpio = irq_to_gpio(irq);
+ pdata = dev_get_platdata(&pdev->dev);
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data specified\n");
+ return -EINVAL;
+ }
+
+ gpio = pdata->gpio_pin;
if (gpio < 0) {
dev_err(&pdev->dev, "no GPIO found for irq%d\n", irq);
return -ENOENT;
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 659879a56dba..f93511031177 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -296,6 +296,7 @@ endif
config QORIQ_CPUFREQ
tristate "CPU frequency scaling driver for Freescale QorIQ SoCs"
depends on OF && COMMON_CLK && (PPC_E500MC || ARM)
+ depends on !CPU_THERMAL || THERMAL
select CLK_QORIQ
help
This adds the CPUFreq driver support for Freescale QorIQ SoCs
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 0031069b64c9..14b1f9393b05 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -84,10 +84,10 @@ config ARM_KIRKWOOD_CPUFREQ
SoCs.
config ARM_MT8173_CPUFREQ
- bool "Mediatek MT8173 CPUFreq support"
+ tristate "Mediatek MT8173 CPUFreq support"
depends on ARCH_MEDIATEK && REGULATOR
depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
- depends on !CPU_THERMAL || THERMAL=y
+ depends on !CPU_THERMAL || THERMAL
select PM_OPP
help
This adds the CPUFreq driver support for Mediatek MT8173 SoC.
diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c
index 1efba340456d..2058e6d292ce 100644
--- a/drivers/cpufreq/mt8173-cpufreq.c
+++ b/drivers/cpufreq/mt8173-cpufreq.c
@@ -17,6 +17,7 @@
#include <linux/cpu_cooling.h>
#include <linux/cpufreq.h>
#include <linux/cpumask.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>
diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index f2a0310ae771..debca824bed6 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -583,6 +583,8 @@ static void set_updater_desc(struct pxad_desc_sw *sw_desc,
(PXA_DCMD_LENGTH & sizeof(u32));
if (flags & DMA_PREP_INTERRUPT)
updater->dcmd |= PXA_DCMD_ENDIRQEN;
+ if (sw_desc->cyclic)
+ sw_desc->hw_desc[sw_desc->nb_desc - 2]->ddadr = sw_desc->first;
}
static bool is_desc_completed(struct virt_dma_desc *vd)
@@ -673,6 +675,10 @@ static irqreturn_t pxad_chan_handler(int irq, void *dev_id)
dev_dbg(&chan->vc.chan.dev->device,
"%s(): checking txd %p[%x]: completed=%d\n",
__func__, vd, vd->tx.cookie, is_desc_completed(vd));
+ if (to_pxad_sw_desc(vd)->cyclic) {
+ vchan_cyclic_callback(vd);
+ break;
+ }
if (is_desc_completed(vd)) {
list_del(&vd->node);
vchan_cookie_complete(vd);
@@ -1080,7 +1086,7 @@ pxad_prep_dma_cyclic(struct dma_chan *dchan,
return NULL;
pxad_get_config(chan, dir, &dcmd, &dsadr, &dtadr);
- dcmd |= PXA_DCMD_ENDIRQEN | (PXA_DCMD_LENGTH | period_len);
+ dcmd |= PXA_DCMD_ENDIRQEN | (PXA_DCMD_LENGTH & period_len);
dev_dbg(&chan->vc.chan.dev->device,
"%s(): buf_addr=0x%lx len=%zu period=%zu dir=%d flags=%lx\n",
__func__, (unsigned long)buf_addr, len, period_len, dir, flags);
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index cf41440aff91..d9ab0cd1d205 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -196,6 +196,44 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
return 0;
}
+static void gpio_rcar_irq_bus_lock(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+ pm_runtime_get_sync(&p->pdev->dev);
+}
+
+static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+ pm_runtime_put(&p->pdev->dev);
+}
+
+
+static int gpio_rcar_irq_request_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+ int error;
+
+ error = pm_runtime_get_sync(&p->pdev->dev);
+ if (error < 0)
+ return error;
+
+ return 0;
+}
+
+static void gpio_rcar_irq_release_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+ pm_runtime_put(&p->pdev->dev);
+}
+
static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
{
struct gpio_rcar_priv *p = dev_id;
@@ -450,6 +488,10 @@ static int gpio_rcar_probe(struct platform_device *pdev)
irq_chip->irq_unmask = gpio_rcar_irq_enable;
irq_chip->irq_set_type = gpio_rcar_irq_set_type;
irq_chip->irq_set_wake = gpio_rcar_irq_set_wake;
+ irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock;
+ irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock;
+ irq_chip->irq_request_resources = gpio_rcar_irq_request_resources;
+ irq_chip->irq_release_resources = gpio_rcar_irq_release_resources;
irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND;
ret = gpiochip_add_data(gpio_chip, p);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index 89c3dd62ba21..119cdc2c43e7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -77,7 +77,7 @@ void amdgpu_connector_hotplug(struct drm_connector *connector)
} else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
/* Don't try to start link training before we
* have the dpcd */
- if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
+ if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
return;
/* set it to OFF so that drm_helper_connector_dpms()
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 66855b62a603..95a4a25d8df9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -649,9 +649,6 @@ force:
/* update display watermarks based on new power state */
amdgpu_display_bandwidth_update(adev);
- adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;
- adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;
-
/* wait for the rings to drain */
for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
struct amdgpu_ring *ring = adev->rings[i];
@@ -670,6 +667,9 @@ force:
/* update displays */
amdgpu_dpm_display_configuration_changed(adev);
+ adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;
+ adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;
+
if (adev->pm.funcs->force_performance_level) {
if (adev->pm.dpm.thermal_active) {
enum amdgpu_dpm_forced_level level = adev->pm.dpm.forced_level;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
index b9d0d55f6b47..3cb6d6c413c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
@@ -143,8 +143,10 @@ static int amdgpu_pp_late_init(void *handle)
adev->powerplay.pp_handle);
#ifdef CONFIG_DRM_AMD_POWERPLAY
- if (adev->pp_enabled)
+ if (adev->pp_enabled) {
amdgpu_pm_sysfs_init(adev);
+ amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_COMPLETE_INIT, NULL, NULL);
+ }
#endif
return ret;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
index 9056355309d1..e7ef2261ff4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
@@ -2202,8 +2202,7 @@ static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate)
AMD_PG_STATE_GATE);
cz_enable_vce_dpm(adev, false);
- /* TODO: to figure out why vce can't be poweroff. */
- /* cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerOFF); */
+ cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerOFF);
pi->vce_power_gated = true;
} else {
cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerON);
@@ -2226,10 +2225,8 @@ static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate)
}
} else { /*pi->caps_vce_pg*/
cz_update_vce_dpm(adev);
- cz_enable_vce_dpm(adev, true);
+ cz_enable_vce_dpm(adev, !gate);
}
-
- return;
}
const struct amd_ip_funcs cz_dpm_ip_funcs = {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 7732059ae30f..06602df707f8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3628,6 +3628,19 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vm_id, uint64_t pd_addr)
{
int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
+ uint32_t seq = ring->fence_drv.sync_seq;
+ uint64_t addr = ring->fence_drv.gpu_addr;
+
+ amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+ amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
+ WAIT_REG_MEM_FUNCTION(3) | /* equal */
+ WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq);
+ amdgpu_ring_write(ring, 0xffffffff);
+ amdgpu_ring_write(ring, 4); /* poll interval */
+
if (usepfp) {
/* synce CE with ME to prevent CE fetch CEIB before context switch done */
amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 1c40bd90afbb..7086ac17abee 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4809,7 +4809,8 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
- WAIT_REG_MEM_FUNCTION(3))); /* equal */
+ WAIT_REG_MEM_FUNCTION(3) | /* equal */
+ WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */
amdgpu_ring_write(ring, addr & 0xfffffffc);
amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
amdgpu_ring_write(ring, seq);
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index aa67244a77ae..589599f66fcc 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -402,8 +402,11 @@ int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input,
data.requested_ui_label = power_state_convert(ps);
ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
+ break;
}
- break;
+ case AMD_PP_EVENT_COMPLETE_INIT:
+ ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
+ break;
default:
break;
}
diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c
index 83be3cf210e0..6b52c78cb404 100644
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c
@@ -165,6 +165,7 @@ const struct action_chain resume_action_chain = {
};
static const pem_event_action *complete_init_event[] = {
+ unblock_adjust_power_state_tasks,
adjust_power_state_tasks,
enable_gfx_clock_gating_tasks,
enable_gfx_voltage_island_power_gating_tasks,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
index ad7700822a1c..ff08ce41bde9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
@@ -226,7 +226,7 @@ int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
}
} else {
cz_dpm_update_vce_dpm(hwmgr);
- cz_enable_disable_vce_dpm(hwmgr, true);
+ cz_enable_disable_vce_dpm(hwmgr, !bgate);
return 0;
}
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 9759009d1da3..b1480acbb3c3 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -227,7 +227,7 @@ static int ast_get_dram_info(struct drm_device *dev)
} while (ast_read32(ast, 0x10000) != 0x01);
data = ast_read32(ast, 0x10004);
- if (data & 0x400)
+ if (data & 0x40)
ast->dram_bus_width = 16;
else
ast->dram_bus_width = 32;
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 678ed3475d7e..4f43d9b32e66 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -2303,15 +2303,15 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume)
*/
void intel_power_domains_suspend(struct drm_i915_private *dev_priv)
{
- if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
- skl_display_core_uninit(dev_priv);
-
/*
* Even if power well support was disabled we still want to disable
* power wells while we are system suspended.
*/
if (!i915.disable_power_well)
intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
+
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+ skl_display_core_uninit(dev_priv);
}
/**
@@ -2349,22 +2349,20 @@ bool intel_runtime_pm_get_if_in_use(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
struct device *device = &dev->pdev->dev;
- int ret;
-
- if (!IS_ENABLED(CONFIG_PM))
- return true;
- ret = pm_runtime_get_if_in_use(device);
+ if (IS_ENABLED(CONFIG_PM)) {
+ int ret = pm_runtime_get_if_in_use(device);
- /*
- * In cases runtime PM is disabled by the RPM core and we get an
- * -EINVAL return value we are not supposed to call this function,
- * since the power state is undefined. This applies atm to the
- * late/early system suspend/resume handlers.
- */
- WARN_ON_ONCE(ret < 0);
- if (ret <= 0)
- return false;
+ /*
+ * In cases runtime PM is disabled by the RPM core and we get
+ * an -EINVAL return value we are not supposed to call this
+ * function, since the power state is undefined. This applies
+ * atm to the late/early system suspend/resume handlers.
+ */
+ WARN_ON_ONCE(ret < 0);
+ if (ret <= 0)
+ return false;
+ }
atomic_inc(&dev_priv->pm.wakeref_count);
assert_rpm_wakelock_held(dev_priv);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index ca3be90a3bb4..0f14d897baf9 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1080,10 +1080,6 @@ force:
/* update display watermarks based on new power state */
radeon_bandwidth_update(rdev);
- rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs;
- rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count;
- rdev->pm.dpm.single_display = single_display;
-
/* wait for the rings to drain */
for (i = 0; i < RADEON_NUM_RINGS; i++) {
struct radeon_ring *ring = &rdev->ring[i];
@@ -1102,6 +1098,10 @@ force:
/* update displays */
radeon_dpm_display_configuration_changed(rdev);
+ rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs;
+ rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count;
+ rdev->pm.dpm.single_display = single_display;
+
if (rdev->asic->dpm.force_performance_level) {
if (rdev->pm.dpm.thermal_active) {
enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index da462afcb225..dd2dbb9746ce 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -18,6 +18,7 @@
#include <linux/host1x.h>
#include <linux/of.h>
#include <linux/slab.h>
+#include <linux/of_device.h>
#include "bus.h"
#include "dev.h"
@@ -394,6 +395,7 @@ static int host1x_device_add(struct host1x *host1x,
device->dev.coherent_dma_mask = host1x->dev->coherent_dma_mask;
device->dev.dma_mask = &device->dev.coherent_dma_mask;
dev_set_name(&device->dev, "%s", driver->driver.name);
+ of_dma_configure(&device->dev, host1x->dev->of_node);
device->dev.release = host1x_device_release;
device->dev.bus = &host1x_bus_type;
device->dev.parent = host1x->dev;
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 314bf3718cc7..ff348690df94 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -23,6 +23,7 @@
#include <linux/of_device.h>
#include <linux/clk.h>
#include <linux/io.h>
+#include <linux/dma-mapping.h>
#define CREATE_TRACE_POINTS
#include <trace/events/host1x.h>
@@ -68,6 +69,7 @@ static const struct host1x_info host1x01_info = {
.nb_bases = 8,
.init = host1x01_init,
.sync_offset = 0x3000,
+ .dma_mask = DMA_BIT_MASK(32),
};
static const struct host1x_info host1x02_info = {
@@ -77,6 +79,7 @@ static const struct host1x_info host1x02_info = {
.nb_bases = 12,
.init = host1x02_init,
.sync_offset = 0x3000,
+ .dma_mask = DMA_BIT_MASK(32),
};
static const struct host1x_info host1x04_info = {
@@ -86,6 +89,7 @@ static const struct host1x_info host1x04_info = {
.nb_bases = 64,
.init = host1x04_init,
.sync_offset = 0x2100,
+ .dma_mask = DMA_BIT_MASK(34),
};
static const struct host1x_info host1x05_info = {
@@ -95,6 +99,7 @@ static const struct host1x_info host1x05_info = {
.nb_bases = 64,
.init = host1x05_init,
.sync_offset = 0x2100,
+ .dma_mask = DMA_BIT_MASK(34),
};
static struct of_device_id host1x_of_match[] = {
@@ -148,6 +153,8 @@ static int host1x_probe(struct platform_device *pdev)
if (IS_ERR(host->regs))
return PTR_ERR(host->regs);
+ dma_set_mask_and_coherent(host->dev, host->info->dma_mask);
+
if (host->info->init) {
err = host->info->init(host);
if (err)
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h
index 0b6e8e9629c5..dace124994bb 100644
--- a/drivers/gpu/host1x/dev.h
+++ b/drivers/gpu/host1x/dev.h
@@ -96,6 +96,7 @@ struct host1x_info {
int nb_mlocks; /* host1x: number of mlocks */
int (*init)(struct host1x *); /* initialize per SoC ops */
int sync_offset;
+ u64 dma_mask; /* mask of addressable memory */
};
struct host1x {
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
index 3711df1d4526..4a45408dd820 100644
--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c
@@ -586,8 +586,7 @@ static int brcmstb_i2c_probe(struct platform_device *pdev)
if (!dev)
return -ENOMEM;
- dev->bsc_regmap = devm_kzalloc(&pdev->dev, sizeof(struct bsc_regs *),
- GFP_KERNEL);
+ dev->bsc_regmap = devm_kzalloc(&pdev->dev, sizeof(*dev->bsc_regmap), GFP_KERNEL);
if (!dev->bsc_regmap)
return -ENOMEM;
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 00da80e02154..94b80a51ab68 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -358,6 +358,7 @@ int ib_register_device(struct ib_device *device,
ret = device->query_device(device, &device->attrs, &uhw);
if (ret) {
printk(KERN_WARNING "Couldn't query the device attributes\n");
+ ib_cache_cleanup_one(device);
goto out;
}
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index f334090bb612..1e37f3515d98 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1071,7 +1071,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
}
}
- if (rec->hop_limit > 1 || use_roce) {
+ if (rec->hop_limit > 0 || use_roce) {
ah_attr->ah_flags = IB_AH_GRH;
ah_attr->grh.dgid = rec->dgid;
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 6ffc9c4e93af..6c6fbff19752 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1970,7 +1970,8 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
resp_size);
INIT_UDATA(&uhw, buf + sizeof(cmd),
(unsigned long)cmd.response + resp_size,
- in_len - sizeof(cmd), out_len - resp_size);
+ in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),
+ out_len - resp_size);
memset(&cmd_ex, 0, sizeof(cmd_ex));
cmd_ex.user_handle = cmd.user_handle;
@@ -3413,7 +3414,8 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file,
INIT_UDATA(&udata, buf + sizeof cmd,
(unsigned long) cmd.response + sizeof resp,
- in_len - sizeof cmd, out_len - sizeof resp);
+ in_len - sizeof cmd - sizeof(struct ib_uverbs_cmd_hdr),
+ out_len - sizeof resp);
ret = __uverbs_create_xsrq(file, ib_dev, &xcmd, &udata);
if (ret)
@@ -3439,7 +3441,8 @@ ssize_t ib_uverbs_create_xsrq(struct ib_uverbs_file *file,
INIT_UDATA(&udata, buf + sizeof cmd,
(unsigned long) cmd.response + sizeof resp,
- in_len - sizeof cmd, out_len - sizeof resp);
+ in_len - sizeof cmd - sizeof(struct ib_uverbs_cmd_hdr),
+ out_len - sizeof resp);
ret = __uverbs_create_xsrq(file, ib_dev, &cmd, &udata);
if (ret)
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index 4659256cd95e..3b2ddd64a371 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -75,7 +75,8 @@ static void mlx5_ib_srq_event(struct mlx5_core_srq *srq, enum mlx5_event type)
static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
struct mlx5_create_srq_mbox_in **in,
- struct ib_udata *udata, int buf_size, int *inlen)
+ struct ib_udata *udata, int buf_size, int *inlen,
+ int is_xrc)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
struct mlx5_ib_create_srq ucmd = {};
@@ -87,13 +88,8 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
int ncont;
u32 offset;
u32 uidx = MLX5_IB_DEFAULT_UIDX;
- int drv_data = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr);
- if (drv_data < 0)
- return -EINVAL;
-
- ucmdlen = (drv_data < sizeof(ucmd)) ?
- drv_data : sizeof(ucmd);
+ ucmdlen = min(udata->inlen, sizeof(ucmd));
if (ib_copy_from_udata(&ucmd, udata, ucmdlen)) {
mlx5_ib_dbg(dev, "failed copy udata\n");
@@ -103,15 +99,17 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
if (ucmd.reserved0 || ucmd.reserved1)
return -EINVAL;
- if (drv_data > sizeof(ucmd) &&
+ if (udata->inlen > sizeof(ucmd) &&
!ib_is_udata_cleared(udata, sizeof(ucmd),
- drv_data - sizeof(ucmd)))
+ udata->inlen - sizeof(ucmd)))
return -EINVAL;
- err = get_srq_user_index(to_mucontext(pd->uobject->context),
- &ucmd, udata->inlen, &uidx);
- if (err)
- return err;
+ if (is_xrc) {
+ err = get_srq_user_index(to_mucontext(pd->uobject->context),
+ &ucmd, udata->inlen, &uidx);
+ if (err)
+ return err;
+ }
srq->wq_sig = !!(ucmd.flags & MLX5_SRQ_FLAG_SIGNATURE);
@@ -151,7 +149,8 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
(*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
(*in)->ctx.pgoff_cqn = cpu_to_be32(offset << 26);
- if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) {
+ if ((MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) &&
+ is_xrc){
xsrqc = MLX5_ADDR_OF(create_xrc_srq_in, *in,
xrc_srq_context_entry);
MLX5_SET(xrc_srqc, xsrqc, user_index, uidx);
@@ -170,7 +169,7 @@ err_umem:
static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
struct mlx5_create_srq_mbox_in **in, int buf_size,
- int *inlen)
+ int *inlen, int is_xrc)
{
int err;
int i;
@@ -224,7 +223,8 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
(*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
- if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) {
+ if ((MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) &&
+ is_xrc){
xsrqc = MLX5_ADDR_OF(create_xrc_srq_in, *in,
xrc_srq_context_entry);
/* 0xffffff means we ask to work with cqe version 0 */
@@ -302,10 +302,14 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
desc_size, init_attr->attr.max_wr, srq->msrq.max, srq->msrq.max_gs,
srq->msrq.max_avail_gather);
+ is_xrc = (init_attr->srq_type == IB_SRQT_XRC);
+
if (pd->uobject)
- err = create_srq_user(pd, srq, &in, udata, buf_size, &inlen);
+ err = create_srq_user(pd, srq, &in, udata, buf_size, &inlen,
+ is_xrc);
else
- err = create_srq_kernel(dev, srq, &in, buf_size, &inlen);
+ err = create_srq_kernel(dev, srq, &in, buf_size, &inlen,
+ is_xrc);
if (err) {
mlx5_ib_warn(dev, "create srq %s failed, err %d\n",
@@ -313,7 +317,6 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
goto err_srq;
}
- is_xrc = (init_attr->srq_type == IB_SRQT_XRC);
in->ctx.state_log_sz = ilog2(srq->msrq.max);
flgs = ((srq->msrq.wqe_shift - 4) | (is_xrc << 5) | (srq->wq_sig << 7)) << 24;
xrcdn = 0;
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index e5e223938eec..374c129219ef 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -114,6 +114,7 @@ struct kmem_cache *amd_iommu_irq_cache;
static void update_domain(struct protection_domain *domain);
static int protection_domain_init(struct protection_domain *domain);
+static void detach_device(struct device *dev);
/*
* For dynamic growth the aperture size is split into ranges of 128MB of
@@ -384,6 +385,9 @@ static void iommu_uninit_device(struct device *dev)
if (!dev_data)
return;
+ if (dev_data->domain)
+ detach_device(dev);
+
iommu_device_unlink(amd_iommu_rlookup_table[dev_data->devid]->iommu_dev,
dev);
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 013bdfff2d4d..bf4959f4225b 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -228,6 +228,10 @@ static int amd_iommu_enable_interrupts(void);
static int __init iommu_go_to_state(enum iommu_init_state state);
static void init_device_table_dma(void);
+static int iommu_pc_get_set_reg_val(struct amd_iommu *iommu,
+ u8 bank, u8 cntr, u8 fxn,
+ u64 *value, bool is_write);
+
static inline void update_last_devid(u16 devid)
{
if (devid > amd_iommu_last_bdf)
@@ -1016,6 +1020,34 @@ static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
}
/*
+ * Family15h Model 30h-3fh (IOMMU Mishandles ATS Write Permission)
+ * Workaround:
+ * BIOS should enable ATS write permission check by setting
+ * L2_DEBUG_3[AtsIgnoreIWDis](D0F2xF4_x47[0]) = 1b
+ */
+static void amd_iommu_ats_write_check_workaround(struct amd_iommu *iommu)
+{
+ u32 value;
+
+ if ((boot_cpu_data.x86 != 0x15) ||
+ (boot_cpu_data.x86_model < 0x30) ||
+ (boot_cpu_data.x86_model > 0x3f))
+ return;
+
+ /* Test L2_DEBUG_3[AtsIgnoreIWDis] == 1 */
+ value = iommu_read_l2(iommu, 0x47);
+
+ if (value & BIT(0))
+ return;
+
+ /* Set L2_DEBUG_3[AtsIgnoreIWDis] = 1 */
+ iommu_write_l2(iommu, 0x47, value | BIT(0));
+
+ pr_info("AMD-Vi: Applying ATS write check workaround for IOMMU at %s\n",
+ dev_name(&iommu->dev->dev));
+}
+
+/*
* This function clues the initialization function for one IOMMU
* together and also allocates the command buffer and programs the
* hardware. It does NOT enable the IOMMU. This is done afterwards.
@@ -1142,8 +1174,8 @@ static void init_iommu_perf_ctr(struct amd_iommu *iommu)
amd_iommu_pc_present = true;
/* Check if the performance counters can be written to */
- if ((0 != amd_iommu_pc_get_set_reg_val(0, 0, 0, 0, &val, true)) ||
- (0 != amd_iommu_pc_get_set_reg_val(0, 0, 0, 0, &val2, false)) ||
+ if ((0 != iommu_pc_get_set_reg_val(iommu, 0, 0, 0, &val, true)) ||
+ (0 != iommu_pc_get_set_reg_val(iommu, 0, 0, 0, &val2, false)) ||
(val != val2)) {
pr_err("AMD-Vi: Unable to write to IOMMU perf counter.\n");
amd_iommu_pc_present = false;
@@ -1284,6 +1316,7 @@ static int iommu_init_pci(struct amd_iommu *iommu)
}
amd_iommu_erratum_746_workaround(iommu);
+ amd_iommu_ats_write_check_workaround(iommu);
iommu->iommu_dev = iommu_device_create(&iommu->dev->dev, iommu,
amd_iommu_groups, "ivhd%d",
@@ -2283,22 +2316,15 @@ u8 amd_iommu_pc_get_max_counters(u16 devid)
}
EXPORT_SYMBOL(amd_iommu_pc_get_max_counters);
-int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn,
+static int iommu_pc_get_set_reg_val(struct amd_iommu *iommu,
+ u8 bank, u8 cntr, u8 fxn,
u64 *value, bool is_write)
{
- struct amd_iommu *iommu;
u32 offset;
u32 max_offset_lim;
- /* Make sure the IOMMU PC resource is available */
- if (!amd_iommu_pc_present)
- return -ENODEV;
-
- /* Locate the iommu associated with the device ID */
- iommu = amd_iommu_rlookup_table[devid];
-
/* Check for valid iommu and pc register indexing */
- if (WARN_ON((iommu == NULL) || (fxn > 0x28) || (fxn & 7)))
+ if (WARN_ON((fxn > 0x28) || (fxn & 7)))
return -ENODEV;
offset = (u32)(((0x40|bank) << 12) | (cntr << 8) | fxn);
@@ -2322,3 +2348,16 @@ int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn,
return 0;
}
EXPORT_SYMBOL(amd_iommu_pc_get_set_reg_val);
+
+int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn,
+ u64 *value, bool is_write)
+{
+ struct amd_iommu *iommu = amd_iommu_rlookup_table[devid];
+
+ /* Make sure the IOMMU PC resource is available */
+ if (!amd_iommu_pc_present || iommu == NULL)
+ return -ENODEV;
+
+ return iommu_pc_get_set_reg_val(iommu, bank, cntr, fxn,
+ value, is_write);
+}
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index fb092f3f11cb..8ffd7568fc91 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -329,7 +329,8 @@ static int dmar_pci_bus_notifier(struct notifier_block *nb,
/* Only care about add/remove events for physical functions */
if (pdev->is_virtfn)
return NOTIFY_DONE;
- if (action != BUS_NOTIFY_ADD_DEVICE && action != BUS_NOTIFY_DEL_DEVICE)
+ if (action != BUS_NOTIFY_ADD_DEVICE &&
+ action != BUS_NOTIFY_REMOVED_DEVICE)
return NOTIFY_DONE;
info = dmar_alloc_pci_notify_info(pdev, action);
@@ -339,7 +340,7 @@ static int dmar_pci_bus_notifier(struct notifier_block *nb,
down_write(&dmar_global_lock);
if (action == BUS_NOTIFY_ADD_DEVICE)
dmar_pci_bus_add_dev(info);
- else if (action == BUS_NOTIFY_DEL_DEVICE)
+ else if (action == BUS_NOTIFY_REMOVED_DEVICE)
dmar_pci_bus_del_dev(info);
up_write(&dmar_global_lock);
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 986a53e3eb96..a2e1b7f14df2 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4367,7 +4367,7 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info)
rmrru->devices_cnt);
if(ret < 0)
return ret;
- } else if (info->event == BUS_NOTIFY_DEL_DEVICE) {
+ } else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) {
dmar_remove_dev_scope(info, rmrr->segment,
rmrru->devices, rmrru->devices_cnt);
}
@@ -4387,7 +4387,7 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info)
break;
else if(ret < 0)
return ret;
- } else if (info->event == BUS_NOTIFY_DEL_DEVICE) {
+ } else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) {
if (dmar_remove_dev_scope(info, atsr->segment,
atsru->devices, atsru->devices_cnt))
break;
diff --git a/drivers/media/i2c/adp1653.c b/drivers/media/i2c/adp1653.c
index 7e9cbf757e95..fb7ed730d932 100644
--- a/drivers/media/i2c/adp1653.c
+++ b/drivers/media/i2c/adp1653.c
@@ -497,7 +497,7 @@ static int adp1653_probe(struct i2c_client *client,
if (!client->dev.platform_data) {
dev_err(&client->dev,
"Neither DT not platform data provided\n");
- return EINVAL;
+ return -EINVAL;
}
flash->platform_data = client->dev.platform_data;
}
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index f8dd7505b529..e1719ffdfb3d 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1960,10 +1960,9 @@ static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
}
/* tx 5v detect */
- tx_5v = io_read(sd, 0x70) & info->cable_det_mask;
+ tx_5v = irq_reg_0x70 & info->cable_det_mask;
if (tx_5v) {
v4l2_dbg(1, debug, sd, "%s: tx_5v: 0x%x\n", __func__, tx_5v);
- io_write(sd, 0x71, tx_5v);
adv76xx_s_detect_tx_5v_ctrl(sd);
if (handled)
*handled = true;
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 8c54fd21022e..a13625722848 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -1843,8 +1843,7 @@ static void au0828_analog_create_entities(struct au0828_dev *dev)
ent->function = MEDIA_ENT_F_CONN_RF;
break;
default: /* AU0828_VMUX_DEBUG */
- ent->function = MEDIA_ENT_F_CONN_TEST;
- break;
+ continue;
}
ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 4c1903f781fc..0c6c17a1c59e 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -415,7 +415,7 @@ static int cxl_setup_psl_timebase(struct cxl *adapter, struct pci_dev *dev)
delta = mftb() - psl_tb;
if (delta < 0)
delta = -delta;
- } while (cputime_to_usecs(delta) > 16);
+ } while (tb_to_ns(delta) > 16000);
return 0;
}
diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index 2a1b6e037e1a..0134ba32a057 100644
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -193,7 +193,7 @@ int ubi_start_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
vol->changing_leb = 1;
vol->ch_lnum = req->lnum;
- vol->upd_buf = vmalloc(req->bytes);
+ vol->upd_buf = vmalloc(ALIGN((int)req->bytes, ubi->min_io_size));
if (!vol->upd_buf)
return -ENOMEM;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 3cd921e6121e..03c46412fff4 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -55,8 +55,9 @@ static void nvme_free_ns(struct kref *kref)
ns->disk->private_data = NULL;
spin_unlock(&dev_list_lock);
- nvme_put_ctrl(ns->ctrl);
put_disk(ns->disk);
+ ida_simple_remove(&ns->ctrl->ns_ida, ns->instance);
+ nvme_put_ctrl(ns->ctrl);
kfree(ns);
}
@@ -183,7 +184,7 @@ int __nvme_submit_user_cmd(struct request_queue *q, struct nvme_command *cmd,
goto out_unmap;
}
- if (meta_buffer) {
+ if (meta_buffer && meta_len) {
struct bio_integrity_payload *bip;
meta = kmalloc(meta_len, GFP_KERNEL);
@@ -373,6 +374,8 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
if (copy_from_user(&io, uio, sizeof(io)))
return -EFAULT;
+ if (io.flags)
+ return -EINVAL;
switch (io.opcode) {
case nvme_cmd_write:
@@ -424,6 +427,8 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
return -EACCES;
if (copy_from_user(&cmd, ucmd, sizeof(cmd)))
return -EFAULT;
+ if (cmd.flags)
+ return -EINVAL;
memset(&c, 0, sizeof(c));
c.common.opcode = cmd.opcode;
@@ -556,6 +561,10 @@ static int nvme_revalidate_disk(struct gendisk *disk)
u16 old_ms;
unsigned short bs;
+ if (test_bit(NVME_NS_DEAD, &ns->flags)) {
+ set_capacity(disk, 0);
+ return -ENODEV;
+ }
if (nvme_identify_ns(ns->ctrl, ns->ns_id, &id)) {
dev_warn(ns->ctrl->dev, "%s: Identify failure nvme%dn%d\n",
__func__, ns->ctrl->instance, ns->ns_id);
@@ -831,6 +840,23 @@ int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl)
return ret;
}
+static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
+ struct request_queue *q)
+{
+ if (ctrl->max_hw_sectors) {
+ u32 max_segments =
+ (ctrl->max_hw_sectors / (ctrl->page_size >> 9)) + 1;
+
+ blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
+ blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
+ }
+ if (ctrl->stripe_size)
+ blk_queue_chunk_sectors(q, ctrl->stripe_size >> 9);
+ if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
+ blk_queue_flush(q, REQ_FLUSH | REQ_FUA);
+ blk_queue_virt_boundary(q, ctrl->page_size - 1);
+}
+
/*
* Initialize the cached copies of the Identify data and various controller
* register in our nvme_ctrl structure. This should be called as soon as
@@ -888,6 +914,8 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
}
}
+ nvme_set_queue_limits(ctrl, ctrl->admin_q);
+
kfree(id);
return 0;
}
@@ -1118,9 +1146,13 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
if (!ns)
return;
+ ns->instance = ida_simple_get(&ctrl->ns_ida, 1, 0, GFP_KERNEL);
+ if (ns->instance < 0)
+ goto out_free_ns;
+
ns->queue = blk_mq_init_queue(ctrl->tagset);
if (IS_ERR(ns->queue))
- goto out_free_ns;
+ goto out_release_instance;
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, ns->queue);
ns->queue->queuedata = ns;
ns->ctrl = ctrl;
@@ -1134,17 +1166,9 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
ns->disk = disk;
ns->lba_shift = 9; /* set to a default value for 512 until disk is validated */
+
blk_queue_logical_block_size(ns->queue, 1 << ns->lba_shift);
- if (ctrl->max_hw_sectors) {
- blk_queue_max_hw_sectors(ns->queue, ctrl->max_hw_sectors);
- blk_queue_max_segments(ns->queue,
- (ctrl->max_hw_sectors / (ctrl->page_size >> 9)) + 1);
- }
- if (ctrl->stripe_size)
- blk_queue_chunk_sectors(ns->queue, ctrl->stripe_size >> 9);
- if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
- blk_queue_flush(ns->queue, REQ_FLUSH | REQ_FUA);
- blk_queue_virt_boundary(ns->queue, ctrl->page_size - 1);
+ nvme_set_queue_limits(ctrl, ns->queue);
disk->major = nvme_major;
disk->first_minor = 0;
@@ -1153,7 +1177,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
disk->queue = ns->queue;
disk->driverfs_dev = ctrl->device;
disk->flags = GENHD_FL_EXT_DEVT;
- sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, nsid);
+ sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, ns->instance);
if (nvme_revalidate_disk(ns->disk))
goto out_free_disk;
@@ -1173,40 +1197,29 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
kfree(disk);
out_free_queue:
blk_cleanup_queue(ns->queue);
+ out_release_instance:
+ ida_simple_remove(&ctrl->ns_ida, ns->instance);
out_free_ns:
kfree(ns);
}
static void nvme_ns_remove(struct nvme_ns *ns)
{
- bool kill = nvme_io_incapable(ns->ctrl) &&
- !blk_queue_dying(ns->queue);
-
- lockdep_assert_held(&ns->ctrl->namespaces_mutex);
-
- if (kill) {
- blk_set_queue_dying(ns->queue);
+ if (test_and_set_bit(NVME_NS_REMOVING, &ns->flags))
+ return;
- /*
- * The controller was shutdown first if we got here through
- * device removal. The shutdown may requeue outstanding
- * requests. These need to be aborted immediately so
- * del_gendisk doesn't block indefinitely for their completion.
- */
- blk_mq_abort_requeue_list(ns->queue);
- }
if (ns->disk->flags & GENHD_FL_UP) {
if (blk_get_integrity(ns->disk))
blk_integrity_unregister(ns->disk);
sysfs_remove_group(&disk_to_dev(ns->disk)->kobj,
&nvme_ns_attr_group);
del_gendisk(ns->disk);
- }
- if (kill || !blk_queue_dying(ns->queue)) {
blk_mq_abort_requeue_list(ns->queue);
blk_cleanup_queue(ns->queue);
}
+ mutex_lock(&ns->ctrl->namespaces_mutex);
list_del_init(&ns->list);
+ mutex_unlock(&ns->ctrl->namespaces_mutex);
nvme_put_ns(ns);
}
@@ -1300,10 +1313,8 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl)
{
struct nvme_ns *ns, *next;
- mutex_lock(&ctrl->namespaces_mutex);
list_for_each_entry_safe(ns, next, &ctrl->namespaces, list)
nvme_ns_remove(ns);
- mutex_unlock(&ctrl->namespaces_mutex);
}
static DEFINE_IDA(nvme_instance_ida);
@@ -1350,6 +1361,7 @@ static void nvme_free_ctrl(struct kref *kref)
put_device(ctrl->device);
nvme_release_instance(ctrl);
+ ida_destroy(&ctrl->ns_ida);
ctrl->ops->free_ctrl(ctrl);
}
@@ -1390,6 +1402,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
}
get_device(ctrl->device);
dev_set_drvdata(ctrl->device, ctrl);
+ ida_init(&ctrl->ns_ida);
spin_lock(&dev_list_lock);
list_add_tail(&ctrl->node, &nvme_ctrl_list);
@@ -1402,6 +1415,38 @@ out:
return ret;
}
+/**
+ * nvme_kill_queues(): Ends all namespace queues
+ * @ctrl: the dead controller that needs to end
+ *
+ * Call this function when the driver determines it is unable to get the
+ * controller in a state capable of servicing IO.
+ */
+void nvme_kill_queues(struct nvme_ctrl *ctrl)
+{
+ struct nvme_ns *ns;
+
+ mutex_lock(&ctrl->namespaces_mutex);
+ list_for_each_entry(ns, &ctrl->namespaces, list) {
+ if (!kref_get_unless_zero(&ns->kref))
+ continue;
+
+ /*
+ * Revalidating a dead namespace sets capacity to 0. This will
+ * end buffered writers dirtying pages that can't be synced.
+ */
+ if (!test_and_set_bit(NVME_NS_DEAD, &ns->flags))
+ revalidate_disk(ns->disk);
+
+ blk_set_queue_dying(ns->queue);
+ blk_mq_abort_requeue_list(ns->queue);
+ blk_mq_start_stopped_hw_queues(ns->queue, true);
+
+ nvme_put_ns(ns);
+ }
+ mutex_unlock(&ctrl->namespaces_mutex);
+}
+
void nvme_stop_queues(struct nvme_ctrl *ctrl)
{
struct nvme_ns *ns;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 9664d07d807d..fb15ba5f5d19 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -72,6 +72,7 @@ struct nvme_ctrl {
struct mutex namespaces_mutex;
struct device *device; /* char device */
struct list_head node;
+ struct ida ns_ida;
char name[12];
char serial[20];
@@ -102,6 +103,7 @@ struct nvme_ns {
struct request_queue *queue;
struct gendisk *disk;
struct kref kref;
+ int instance;
u8 eui[8];
u8 uuid[16];
@@ -112,6 +114,11 @@ struct nvme_ns {
bool ext;
u8 pi_type;
int type;
+ unsigned long flags;
+
+#define NVME_NS_REMOVING 0
+#define NVME_NS_DEAD 1
+
u64 mode_select_num_blocks;
u32 mode_select_block_len;
};
@@ -240,6 +247,7 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl);
void nvme_stop_queues(struct nvme_ctrl *ctrl);
void nvme_start_queues(struct nvme_ctrl *ctrl);
+void nvme_kill_queues(struct nvme_ctrl *ctrl);
struct request *nvme_alloc_request(struct request_queue *q,
struct nvme_command *cmd, unsigned int flags);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index a128672472ec..680f5780750c 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -86,7 +86,6 @@ struct nvme_queue;
static int nvme_reset(struct nvme_dev *dev);
static void nvme_process_cq(struct nvme_queue *nvmeq);
-static void nvme_remove_dead_ctrl(struct nvme_dev *dev);
static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown);
/*
@@ -120,6 +119,7 @@ struct nvme_dev {
unsigned long flags;
#define NVME_CTRL_RESETTING 0
+#define NVME_CTRL_REMOVING 1
struct nvme_ctrl ctrl;
struct completion ioq_wait;
@@ -286,6 +286,17 @@ static int nvme_init_request(void *data, struct request *req,
return 0;
}
+static void nvme_queue_scan(struct nvme_dev *dev)
+{
+ /*
+ * Do not queue new scan work when a controller is reset during
+ * removal.
+ */
+ if (test_bit(NVME_CTRL_REMOVING, &dev->flags))
+ return;
+ queue_work(nvme_workq, &dev->scan_work);
+}
+
static void nvme_complete_async_event(struct nvme_dev *dev,
struct nvme_completion *cqe)
{
@@ -300,7 +311,7 @@ static void nvme_complete_async_event(struct nvme_dev *dev,
switch (result & 0xff07) {
case NVME_AER_NOTICE_NS_CHANGED:
dev_info(dev->dev, "rescanning\n");
- queue_work(nvme_workq, &dev->scan_work);
+ nvme_queue_scan(dev);
default:
dev_warn(dev->dev, "async event result %08x\n", result);
}
@@ -679,7 +690,10 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
spin_lock_irq(&nvmeq->q_lock);
if (unlikely(nvmeq->cq_vector < 0)) {
- ret = BLK_MQ_RQ_QUEUE_BUSY;
+ if (ns && !test_bit(NVME_NS_DEAD, &ns->flags))
+ ret = BLK_MQ_RQ_QUEUE_BUSY;
+ else
+ ret = BLK_MQ_RQ_QUEUE_ERROR;
spin_unlock_irq(&nvmeq->q_lock);
goto out;
}
@@ -1250,6 +1264,12 @@ static struct blk_mq_ops nvme_mq_ops = {
static void nvme_dev_remove_admin(struct nvme_dev *dev)
{
if (dev->ctrl.admin_q && !blk_queue_dying(dev->ctrl.admin_q)) {
+ /*
+ * If the controller was reset during removal, it's possible
+ * user requests may be waiting on a stopped queue. Start the
+ * queue to flush these to completion.
+ */
+ blk_mq_start_stopped_hw_queues(dev->ctrl.admin_q, true);
blk_cleanup_queue(dev->ctrl.admin_q);
blk_mq_free_tag_set(&dev->admin_tagset);
}
@@ -1690,14 +1710,14 @@ static int nvme_dev_add(struct nvme_dev *dev)
return 0;
dev->ctrl.tagset = &dev->tagset;
}
- queue_work(nvme_workq, &dev->scan_work);
+ nvme_queue_scan(dev);
return 0;
}
-static int nvme_dev_map(struct nvme_dev *dev)
+static int nvme_pci_enable(struct nvme_dev *dev)
{
u64 cap;
- int bars, result = -ENOMEM;
+ int result = -ENOMEM;
struct pci_dev *pdev = to_pci_dev(dev->dev);
if (pci_enable_device_mem(pdev))
@@ -1705,24 +1725,14 @@ static int nvme_dev_map(struct nvme_dev *dev)
dev->entry[0].vector = pdev->irq;
pci_set_master(pdev);
- bars = pci_select_bars(pdev, IORESOURCE_MEM);
- if (!bars)
- goto disable_pci;
-
- if (pci_request_selected_regions(pdev, bars, "nvme"))
- goto disable_pci;
if (dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(64)) &&
dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(32)))
goto disable;
- dev->bar = ioremap(pci_resource_start(pdev, 0), 8192);
- if (!dev->bar)
- goto disable;
-
if (readl(dev->bar + NVME_REG_CSTS) == -1) {
result = -ENODEV;
- goto unmap;
+ goto disable;
}
/*
@@ -1732,7 +1742,7 @@ static int nvme_dev_map(struct nvme_dev *dev)
if (!pdev->irq) {
result = pci_enable_msix(pdev, dev->entry, 1);
if (result < 0)
- goto unmap;
+ goto disable;
}
cap = lo_hi_readq(dev->bar + NVME_REG_CAP);
@@ -1759,18 +1769,20 @@ static int nvme_dev_map(struct nvme_dev *dev)
pci_save_state(pdev);
return 0;
- unmap:
- iounmap(dev->bar);
- dev->bar = NULL;
disable:
- pci_release_regions(pdev);
- disable_pci:
pci_disable_device(pdev);
return result;
}
static void nvme_dev_unmap(struct nvme_dev *dev)
{
+ if (dev->bar)
+ iounmap(dev->bar);
+ pci_release_regions(to_pci_dev(dev->dev));
+}
+
+static void nvme_pci_disable(struct nvme_dev *dev)
+{
struct pci_dev *pdev = to_pci_dev(dev->dev);
if (pdev->msi_enabled)
@@ -1778,12 +1790,6 @@ static void nvme_dev_unmap(struct nvme_dev *dev)
else if (pdev->msix_enabled)
pci_disable_msix(pdev);
- if (dev->bar) {
- iounmap(dev->bar);
- dev->bar = NULL;
- pci_release_regions(pdev);
- }
-
if (pci_is_enabled(pdev)) {
pci_disable_pcie_error_reporting(pdev);
pci_disable_device(pdev);
@@ -1842,7 +1848,7 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
nvme_dev_list_remove(dev);
mutex_lock(&dev->shutdown_lock);
- if (dev->bar) {
+ if (pci_is_enabled(to_pci_dev(dev->dev))) {
nvme_stop_queues(&dev->ctrl);
csts = readl(dev->bar + NVME_REG_CSTS);
}
@@ -1855,7 +1861,7 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
nvme_disable_io_queues(dev);
nvme_disable_admin_queue(dev, shutdown);
}
- nvme_dev_unmap(dev);
+ nvme_pci_disable(dev);
for (i = dev->queue_count - 1; i >= 0; i--)
nvme_clear_queue(dev->queues[i]);
@@ -1899,10 +1905,20 @@ static void nvme_pci_free_ctrl(struct nvme_ctrl *ctrl)
kfree(dev);
}
+static void nvme_remove_dead_ctrl(struct nvme_dev *dev, int status)
+{
+ dev_warn(dev->dev, "Removing after probe failure status: %d\n", status);
+
+ kref_get(&dev->ctrl.kref);
+ nvme_dev_disable(dev, false);
+ if (!schedule_work(&dev->remove_work))
+ nvme_put_ctrl(&dev->ctrl);
+}
+
static void nvme_reset_work(struct work_struct *work)
{
struct nvme_dev *dev = container_of(work, struct nvme_dev, reset_work);
- int result;
+ int result = -ENODEV;
if (WARN_ON(test_bit(NVME_CTRL_RESETTING, &dev->flags)))
goto out;
@@ -1911,37 +1927,37 @@ static void nvme_reset_work(struct work_struct *work)
* If we're called to reset a live controller first shut it down before
* moving on.
*/
- if (dev->bar)
+ if (dev->ctrl.ctrl_config & NVME_CC_ENABLE)
nvme_dev_disable(dev, false);
set_bit(NVME_CTRL_RESETTING, &dev->flags);
- result = nvme_dev_map(dev);
+ result = nvme_pci_enable(dev);
if (result)
goto out;
result = nvme_configure_admin_queue(dev);
if (result)
- goto unmap;
+ goto out;
nvme_init_queue(dev->queues[0], 0);
result = nvme_alloc_admin_tags(dev);
if (result)
- goto disable;
+ goto out;
result = nvme_init_identify(&dev->ctrl);
if (result)
- goto free_tags;
+ goto out;
result = nvme_setup_io_queues(dev);
if (result)
- goto free_tags;
+ goto out;
dev->ctrl.event_limit = NVME_NR_AEN_COMMANDS;
result = nvme_dev_list_add(dev);
if (result)
- goto remove;
+ goto out;
/*
* Keep the controller around but remove all namespaces if we don't have
@@ -1958,19 +1974,8 @@ static void nvme_reset_work(struct work_struct *work)
clear_bit(NVME_CTRL_RESETTING, &dev->flags);
return;
- remove:
- nvme_dev_list_remove(dev);
- free_tags:
- nvme_dev_remove_admin(dev);
- blk_put_queue(dev->ctrl.admin_q);
- dev->ctrl.admin_q = NULL;
- dev->queues[0]->tags = NULL;
- disable:
- nvme_disable_admin_queue(dev, false);
- unmap:
- nvme_dev_unmap(dev);
out:
- nvme_remove_dead_ctrl(dev);
+ nvme_remove_dead_ctrl(dev, result);
}
static void nvme_remove_dead_ctrl_work(struct work_struct *work)
@@ -1978,19 +1983,12 @@ static void nvme_remove_dead_ctrl_work(struct work_struct *work)
struct nvme_dev *dev = container_of(work, struct nvme_dev, remove_work);
struct pci_dev *pdev = to_pci_dev(dev->dev);
+ nvme_kill_queues(&dev->ctrl);
if (pci_get_drvdata(pdev))
pci_stop_and_remove_bus_device_locked(pdev);
nvme_put_ctrl(&dev->ctrl);
}
-static void nvme_remove_dead_ctrl(struct nvme_dev *dev)
-{
- dev_warn(dev->dev, "Removing after probe failure\n");
- kref_get(&dev->ctrl.kref);
- if (!schedule_work(&dev->remove_work))
- nvme_put_ctrl(&dev->ctrl);
-}
-
static int nvme_reset(struct nvme_dev *dev)
{
if (!dev->ctrl.admin_q || blk_queue_dying(dev->ctrl.admin_q))
@@ -2042,6 +2040,27 @@ static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = {
.free_ctrl = nvme_pci_free_ctrl,
};
+static int nvme_dev_map(struct nvme_dev *dev)
+{
+ int bars;
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+
+ bars = pci_select_bars(pdev, IORESOURCE_MEM);
+ if (!bars)
+ return -ENODEV;
+ if (pci_request_selected_regions(pdev, bars, "nvme"))
+ return -ENODEV;
+
+ dev->bar = ioremap(pci_resource_start(pdev, 0), 8192);
+ if (!dev->bar)
+ goto release;
+
+ return 0;
+ release:
+ pci_release_regions(pdev);
+ return -ENODEV;
+}
+
static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
int node, result = -ENOMEM;
@@ -2066,6 +2085,10 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dev->dev = get_device(&pdev->dev);
pci_set_drvdata(pdev, dev);
+ result = nvme_dev_map(dev);
+ if (result)
+ goto free;
+
INIT_LIST_HEAD(&dev->node);
INIT_WORK(&dev->scan_work, nvme_dev_scan);
INIT_WORK(&dev->reset_work, nvme_reset_work);
@@ -2089,6 +2112,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
nvme_release_prp_pools(dev);
put_pci:
put_device(dev->dev);
+ nvme_dev_unmap(dev);
free:
kfree(dev->queues);
kfree(dev->entry);
@@ -2112,10 +2136,16 @@ static void nvme_shutdown(struct pci_dev *pdev)
nvme_dev_disable(dev, true);
}
+/*
+ * The driver's remove may be called on a device in a partially initialized
+ * state. This function must not have any dependencies on the device state in
+ * order to proceed.
+ */
static void nvme_remove(struct pci_dev *pdev)
{
struct nvme_dev *dev = pci_get_drvdata(pdev);
+ set_bit(NVME_CTRL_REMOVING, &dev->flags);
pci_set_drvdata(pdev, NULL);
flush_work(&dev->scan_work);
nvme_remove_namespaces(&dev->ctrl);
@@ -2126,6 +2156,7 @@ static void nvme_remove(struct pci_dev *pdev)
nvme_free_queues(dev, 0);
nvme_release_cmb(dev);
nvme_release_prp_pools(dev);
+ nvme_dev_unmap(dev);
nvme_put_ctrl(&dev->ctrl);
}
diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c
index ed34c9520a02..6153853ca9c3 100644
--- a/drivers/pci/host/pci-keystone-dw.c
+++ b/drivers/pci/host/pci-keystone-dw.c
@@ -58,11 +58,6 @@
#define to_keystone_pcie(x) container_of(x, struct keystone_pcie, pp)
-static inline struct pcie_port *sys_to_pcie(struct pci_sys_data *sys)
-{
- return sys->private_data;
-}
-
static inline void update_reg_offset_bit_pos(u32 offset, u32 *reg_offset,
u32 *bit_pos)
{
@@ -108,7 +103,7 @@ static void ks_dw_pcie_msi_irq_ack(struct irq_data *d)
struct pcie_port *pp;
msi = irq_data_get_msi_desc(d);
- pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi));
+ pp = (struct pcie_port *) msi_desc_to_pci_sysdata(msi);
ks_pcie = to_keystone_pcie(pp);
offset = d->irq - irq_linear_revmap(pp->irq_domain, 0);
update_reg_offset_bit_pos(offset, &reg_offset, &bit_pos);
@@ -146,7 +141,7 @@ static void ks_dw_pcie_msi_irq_mask(struct irq_data *d)
u32 offset;
msi = irq_data_get_msi_desc(d);
- pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi));
+ pp = (struct pcie_port *) msi_desc_to_pci_sysdata(msi);
ks_pcie = to_keystone_pcie(pp);
offset = d->irq - irq_linear_revmap(pp->irq_domain, 0);
@@ -167,7 +162,7 @@ static void ks_dw_pcie_msi_irq_unmask(struct irq_data *d)
u32 offset;
msi = irq_data_get_msi_desc(d);
- pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi));
+ pp = (struct pcie_port *) msi_desc_to_pci_sysdata(msi);
ks_pcie = to_keystone_pcie(pp);
offset = d->irq - irq_linear_revmap(pp->irq_domain, 0);
diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c
index 3923bed93c7e..f39961bcf7aa 100644
--- a/drivers/pci/host/pci-layerscape.c
+++ b/drivers/pci/host/pci-layerscape.c
@@ -77,6 +77,16 @@ static void ls_pcie_fix_class(struct ls_pcie *pcie)
iowrite16(PCI_CLASS_BRIDGE_PCI, pcie->dbi + PCI_CLASS_DEVICE);
}
+/* Drop MSG TLP except for Vendor MSG */
+static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie)
+{
+ u32 val;
+
+ val = ioread32(pcie->dbi + PCIE_STRFMR1);
+ val &= 0xDFFFFFFF;
+ iowrite32(val, pcie->dbi + PCIE_STRFMR1);
+}
+
static int ls1021_pcie_link_up(struct pcie_port *pp)
{
u32 state;
@@ -97,7 +107,7 @@ static int ls1021_pcie_link_up(struct pcie_port *pp)
static void ls1021_pcie_host_init(struct pcie_port *pp)
{
struct ls_pcie *pcie = to_ls_pcie(pp);
- u32 val, index[2];
+ u32 index[2];
pcie->scfg = syscon_regmap_lookup_by_phandle(pp->dev->of_node,
"fsl,pcie-scfg");
@@ -116,13 +126,7 @@ static void ls1021_pcie_host_init(struct pcie_port *pp)
dw_pcie_setup_rc(pp);
- /*
- * LS1021A Workaround for internal TKT228622
- * to fix the INTx hang issue
- */
- val = ioread32(pcie->dbi + PCIE_STRFMR1);
- val &= 0xffff;
- iowrite32(val, pcie->dbi + PCIE_STRFMR1);
+ ls_pcie_drop_msg_tlp(pcie);
}
static int ls_pcie_link_up(struct pcie_port *pp)
@@ -147,6 +151,7 @@ static void ls_pcie_host_init(struct pcie_port *pp)
iowrite32(1, pcie->dbi + PCIE_DBI_RO_WR_EN);
ls_pcie_fix_class(pcie);
ls_pcie_clear_multifunction(pcie);
+ ls_pcie_drop_msg_tlp(pcie);
iowrite32(0, pcie->dbi + PCIE_DBI_RO_WR_EN);
}
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 3b3e0998fa6e..d6a691e27d33 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4002,6 +4002,7 @@ static ssize_t ipr_store_update_fw(struct device *dev,
struct ipr_sglist *sglist;
char fname[100];
char *src;
+ char *endline;
int result, dnld_size;
if (!capable(CAP_SYS_ADMIN))
@@ -4009,6 +4010,10 @@ static ssize_t ipr_store_update_fw(struct device *dev,
snprintf(fname, sizeof(fname), "%s", buf);
+ endline = strchr(fname, '\n');
+ if (endline)
+ *endline = '\0';
+
if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) {
dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname);
return -EIO;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index fa6b2c4eb7a2..8c6e31874171 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1344,6 +1344,7 @@ scsi_prep_return(struct request_queue *q, struct request *req, int ret)
switch (ret) {
case BLKPREP_KILL:
+ case BLKPREP_INVALID:
req->errors = DID_NO_CONNECT << 16;
/* release the command and kill it */
if (req->special) {
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 3ec7e65a3ffa..db49af90217e 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -147,7 +147,7 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video)
mutex_lock(&mdev->graph_mutex);
ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev);
if (ret) {
- mutex_unlock(&video->lock);
+ mutex_unlock(&mdev->graph_mutex);
return -ENOMEM;
}
media_entity_graph_walk_start(&graph, entity);
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index 45f86da1d6d3..03b6743461d1 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -158,7 +158,7 @@ static void ci_otg_work(struct work_struct *work)
int ci_hdrc_otg_init(struct ci_hdrc *ci)
{
INIT_WORK(&ci->work, ci_otg_work);
- ci->wq = create_singlethread_workqueue("ci_otg");
+ ci->wq = create_freezable_workqueue("ci_otg");
if (!ci->wq) {
dev_err(ci->dev, "can't create workqueue\n");
return -ENODEV;
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index f612dda9c977..56ecb8b5115d 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -475,22 +475,6 @@ config USB_SERIAL_MOS7840
To compile this driver as a module, choose M here: the
module will be called mos7840. If unsure, choose N.
-config USB_SERIAL_MXUPORT11
- tristate "USB Moxa UPORT 11x0 Serial Driver"
- ---help---
- Say Y here if you want to use a MOXA UPort 11x0 Serial hub.
-
- This driver supports:
-
- - UPort 1110 : 1 port RS-232 USB to Serial Hub.
- - UPort 1130 : 1 port RS-422/485 USB to Serial Hub.
- - UPort 1130I : 1 port RS-422/485 USB to Serial Hub with Isolation.
- - UPort 1150 : 1 port RS-232/422/485 USB to Serial Hub.
- - UPort 1150I : 1 port RS-232/422/485 USB to Serial Hub with Isolation.
-
- To compile this driver as a module, choose M here: the
- module will be called mxu11x0.
-
config USB_SERIAL_MXUPORT
tristate "USB Moxa UPORT Serial Driver"
---help---
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index f3fa5e53702d..349d9df0895f 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -38,7 +38,6 @@ obj-$(CONFIG_USB_SERIAL_METRO) += metro-usb.o
obj-$(CONFIG_USB_SERIAL_MOS7720) += mos7720.o
obj-$(CONFIG_USB_SERIAL_MOS7840) += mos7840.o
obj-$(CONFIG_USB_SERIAL_MXUPORT) += mxuport.o
-obj-$(CONFIG_USB_SERIAL_MXUPORT11) += mxu11x0.o
obj-$(CONFIG_USB_SERIAL_NAVMAN) += navman.o
obj-$(CONFIG_USB_SERIAL_OMNINET) += omninet.o
obj-$(CONFIG_USB_SERIAL_OPTICON) += opticon.o
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 7c319e7edda2..73a366de5102 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -165,6 +165,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */
{ USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */
{ USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */
+ { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
{ USB_DEVICE(0x1BA4, 0x0002) }, /* Silicon Labs 358x factory default */
diff --git a/drivers/usb/serial/mxu11x0.c b/drivers/usb/serial/mxu11x0.c
deleted file mode 100644
index 619607323bfd..000000000000
--- a/drivers/usb/serial/mxu11x0.c
+++ /dev/null
@@ -1,1006 +0,0 @@
-/*
- * USB Moxa UPORT 11x0 Serial Driver
- *
- * Copyright (C) 2007 MOXA Technologies Co., Ltd.
- * Copyright (C) 2015 Mathieu Othacehe <m.othacehe@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- *
- * Supports the following Moxa USB to serial converters:
- * UPort 1110, 1 port RS-232 USB to Serial Hub.
- * UPort 1130, 1 port RS-422/485 USB to Serial Hub.
- * UPort 1130I, 1 port RS-422/485 USB to Serial Hub with isolation
- * protection.
- * UPort 1150, 1 port RS-232/422/485 USB to Serial Hub.
- * UPort 1150I, 1 port RS-232/422/485 USB to Serial Hub with isolation
- * protection.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/firmware.h>
-#include <linux/jiffies.h>
-#include <linux/serial.h>
-#include <linux/serial_reg.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-#include <linux/tty.h>
-#include <linux/tty_driver.h>
-#include <linux/tty_flip.h>
-#include <linux/uaccess.h>
-#include <linux/usb.h>
-#include <linux/usb/serial.h>
-
-/* Vendor and product ids */
-#define MXU1_VENDOR_ID 0x110a
-#define MXU1_1110_PRODUCT_ID 0x1110
-#define MXU1_1130_PRODUCT_ID 0x1130
-#define MXU1_1150_PRODUCT_ID 0x1150
-#define MXU1_1151_PRODUCT_ID 0x1151
-#define MXU1_1131_PRODUCT_ID 0x1131
-
-/* Commands */
-#define MXU1_GET_VERSION 0x01
-#define MXU1_GET_PORT_STATUS 0x02
-#define MXU1_GET_PORT_DEV_INFO 0x03
-#define MXU1_GET_CONFIG 0x04
-#define MXU1_SET_CONFIG 0x05
-#define MXU1_OPEN_PORT 0x06
-#define MXU1_CLOSE_PORT 0x07
-#define MXU1_START_PORT 0x08
-#define MXU1_STOP_PORT 0x09
-#define MXU1_TEST_PORT 0x0A
-#define MXU1_PURGE_PORT 0x0B
-#define MXU1_RESET_EXT_DEVICE 0x0C
-#define MXU1_GET_OUTQUEUE 0x0D
-#define MXU1_WRITE_DATA 0x80
-#define MXU1_READ_DATA 0x81
-#define MXU1_REQ_TYPE_CLASS 0x82
-
-/* Module identifiers */
-#define MXU1_I2C_PORT 0x01
-#define MXU1_IEEE1284_PORT 0x02
-#define MXU1_UART1_PORT 0x03
-#define MXU1_UART2_PORT 0x04
-#define MXU1_RAM_PORT 0x05
-
-/* Modem status */
-#define MXU1_MSR_DELTA_CTS 0x01
-#define MXU1_MSR_DELTA_DSR 0x02
-#define MXU1_MSR_DELTA_RI 0x04
-#define MXU1_MSR_DELTA_CD 0x08
-#define MXU1_MSR_CTS 0x10
-#define MXU1_MSR_DSR 0x20
-#define MXU1_MSR_RI 0x40
-#define MXU1_MSR_CD 0x80
-#define MXU1_MSR_DELTA_MASK 0x0F
-#define MXU1_MSR_MASK 0xF0
-
-/* Line status */
-#define MXU1_LSR_OVERRUN_ERROR 0x01
-#define MXU1_LSR_PARITY_ERROR 0x02
-#define MXU1_LSR_FRAMING_ERROR 0x04
-#define MXU1_LSR_BREAK 0x08
-#define MXU1_LSR_ERROR 0x0F
-#define MXU1_LSR_RX_FULL 0x10
-#define MXU1_LSR_TX_EMPTY 0x20
-
-/* Modem control */
-#define MXU1_MCR_LOOP 0x04
-#define MXU1_MCR_DTR 0x10
-#define MXU1_MCR_RTS 0x20
-
-/* Mask settings */
-#define MXU1_UART_ENABLE_RTS_IN 0x0001
-#define MXU1_UART_DISABLE_RTS 0x0002
-#define MXU1_UART_ENABLE_PARITY_CHECKING 0x0008
-#define MXU1_UART_ENABLE_DSR_OUT 0x0010
-#define MXU1_UART_ENABLE_CTS_OUT 0x0020
-#define MXU1_UART_ENABLE_X_OUT 0x0040
-#define MXU1_UART_ENABLE_XA_OUT 0x0080
-#define MXU1_UART_ENABLE_X_IN 0x0100
-#define MXU1_UART_ENABLE_DTR_IN 0x0800
-#define MXU1_UART_DISABLE_DTR 0x1000
-#define MXU1_UART_ENABLE_MS_INTS 0x2000
-#define MXU1_UART_ENABLE_AUTO_START_DMA 0x4000
-#define MXU1_UART_SEND_BREAK_SIGNAL 0x8000
-
-/* Parity */
-#define MXU1_UART_NO_PARITY 0x00
-#define MXU1_UART_ODD_PARITY 0x01
-#define MXU1_UART_EVEN_PARITY 0x02
-#define MXU1_UART_MARK_PARITY 0x03
-#define MXU1_UART_SPACE_PARITY 0x04
-
-/* Stop bits */
-#define MXU1_UART_1_STOP_BITS 0x00
-#define MXU1_UART_1_5_STOP_BITS 0x01
-#define MXU1_UART_2_STOP_BITS 0x02
-
-/* Bits per character */
-#define MXU1_UART_5_DATA_BITS 0x00
-#define MXU1_UART_6_DATA_BITS 0x01
-#define MXU1_UART_7_DATA_BITS 0x02
-#define MXU1_UART_8_DATA_BITS 0x03
-
-/* Operation modes */
-#define MXU1_UART_232 0x00
-#define MXU1_UART_485_RECEIVER_DISABLED 0x01
-#define MXU1_UART_485_RECEIVER_ENABLED 0x02
-
-/* Pipe transfer mode and timeout */
-#define MXU1_PIPE_MODE_CONTINUOUS 0x01
-#define MXU1_PIPE_MODE_MASK 0x03
-#define MXU1_PIPE_TIMEOUT_MASK 0x7C
-#define MXU1_PIPE_TIMEOUT_ENABLE 0x80
-
-/* Config struct */
-struct mxu1_uart_config {
- __be16 wBaudRate;
- __be16 wFlags;
- u8 bDataBits;
- u8 bParity;
- u8 bStopBits;
- char cXon;
- char cXoff;
- u8 bUartMode;
-} __packed;
-
-/* Purge modes */
-#define MXU1_PURGE_OUTPUT 0x00
-#define MXU1_PURGE_INPUT 0x80
-
-/* Read/Write data */
-#define MXU1_RW_DATA_ADDR_SFR 0x10
-#define MXU1_RW_DATA_ADDR_IDATA 0x20
-#define MXU1_RW_DATA_ADDR_XDATA 0x30
-#define MXU1_RW_DATA_ADDR_CODE 0x40
-#define MXU1_RW_DATA_ADDR_GPIO 0x50
-#define MXU1_RW_DATA_ADDR_I2C 0x60
-#define MXU1_RW_DATA_ADDR_FLASH 0x70
-#define MXU1_RW_DATA_ADDR_DSP 0x80
-
-#define MXU1_RW_DATA_UNSPECIFIED 0x00
-#define MXU1_RW_DATA_BYTE 0x01
-#define MXU1_RW_DATA_WORD 0x02
-#define MXU1_RW_DATA_DOUBLE_WORD 0x04
-
-struct mxu1_write_data_bytes {
- u8 bAddrType;
- u8 bDataType;
- u8 bDataCounter;
- __be16 wBaseAddrHi;
- __be16 wBaseAddrLo;
- u8 bData[0];
-} __packed;
-
-/* Interrupt codes */
-#define MXU1_CODE_HARDWARE_ERROR 0xFF
-#define MXU1_CODE_DATA_ERROR 0x03
-#define MXU1_CODE_MODEM_STATUS 0x04
-
-static inline int mxu1_get_func_from_code(unsigned char code)
-{
- return code & 0x0f;
-}
-
-/* Download firmware max packet size */
-#define MXU1_DOWNLOAD_MAX_PACKET_SIZE 64
-
-/* Firmware image header */
-struct mxu1_firmware_header {
- __le16 wLength;
- u8 bCheckSum;
-} __packed;
-
-#define MXU1_UART_BASE_ADDR 0xFFA0
-#define MXU1_UART_OFFSET_MCR 0x0004
-
-#define MXU1_BAUD_BASE 923077
-
-#define MXU1_TRANSFER_TIMEOUT 2
-#define MXU1_DOWNLOAD_TIMEOUT 1000
-#define MXU1_DEFAULT_CLOSING_WAIT 4000 /* in .01 secs */
-
-struct mxu1_port {
- u8 msr;
- u8 mcr;
- u8 uart_mode;
- spinlock_t spinlock; /* Protects msr */
- struct mutex mutex; /* Protects mcr */
- bool send_break;
-};
-
-struct mxu1_device {
- u16 mxd_model;
-};
-
-static const struct usb_device_id mxu1_idtable[] = {
- { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1110_PRODUCT_ID) },
- { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1130_PRODUCT_ID) },
- { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) },
- { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) },
- { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) },
- { }
-};
-
-MODULE_DEVICE_TABLE(usb, mxu1_idtable);
-
-/* Write the given buffer out to the control pipe. */
-static int mxu1_send_ctrl_data_urb(struct usb_serial *serial,
- u8 request,
- u16 value, u16 index,
- void *data, size_t size)
-{
- int status;
-
- status = usb_control_msg(serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- request,
- (USB_DIR_OUT | USB_TYPE_VENDOR |
- USB_RECIP_DEVICE), value, index,
- data, size,
- USB_CTRL_SET_TIMEOUT);
- if (status < 0) {
- dev_err(&serial->interface->dev,
- "%s - usb_control_msg failed: %d\n",
- __func__, status);
- return status;
- }
-
- if (status != size) {
- dev_err(&serial->interface->dev,
- "%s - short write (%d / %zd)\n",
- __func__, status, size);
- return -EIO;
- }
-
- return 0;
-}
-
-/* Send a vendor request without any data */
-static int mxu1_send_ctrl_urb(struct usb_serial *serial,
- u8 request, u16 value, u16 index)
-{
- return mxu1_send_ctrl_data_urb(serial, request, value, index,
- NULL, 0);
-}
-
-static int mxu1_download_firmware(struct usb_serial *serial,
- const struct firmware *fw_p)
-{
- int status = 0;
- int buffer_size;
- int pos;
- int len;
- int done;
- u8 cs = 0;
- u8 *buffer;
- struct usb_device *dev = serial->dev;
- struct mxu1_firmware_header *header;
- unsigned int pipe;
-
- pipe = usb_sndbulkpipe(dev, serial->port[0]->bulk_out_endpointAddress);
-
- buffer_size = fw_p->size + sizeof(*header);
- buffer = kmalloc(buffer_size, GFP_KERNEL);
- if (!buffer)
- return -ENOMEM;
-
- memcpy(buffer, fw_p->data, fw_p->size);
- memset(buffer + fw_p->size, 0xff, buffer_size - fw_p->size);
-
- for (pos = sizeof(*header); pos < buffer_size; pos++)
- cs = (u8)(cs + buffer[pos]);
-
- header = (struct mxu1_firmware_header *)buffer;
- header->wLength = cpu_to_le16(buffer_size - sizeof(*header));
- header->bCheckSum = cs;
-
- dev_dbg(&dev->dev, "%s - downloading firmware\n", __func__);
-
- for (pos = 0; pos < buffer_size; pos += done) {
- len = min(buffer_size - pos, MXU1_DOWNLOAD_MAX_PACKET_SIZE);
-
- status = usb_bulk_msg(dev, pipe, buffer + pos, len, &done,
- MXU1_DOWNLOAD_TIMEOUT);
- if (status)
- break;
- }
-
- kfree(buffer);
-
- if (status) {
- dev_err(&dev->dev, "failed to download firmware: %d\n", status);
- return status;
- }
-
- msleep_interruptible(100);
- usb_reset_device(dev);
-
- dev_dbg(&dev->dev, "%s - download successful\n", __func__);
-
- return 0;
-}
-
-static int mxu1_port_probe(struct usb_serial_port *port)
-{
- struct mxu1_port *mxport;
- struct mxu1_device *mxdev;
-
- if (!port->interrupt_in_urb) {
- dev_err(&port->dev, "no interrupt urb\n");
- return -ENODEV;
- }
-
- mxport = kzalloc(sizeof(struct mxu1_port), GFP_KERNEL);
- if (!mxport)
- return -ENOMEM;
-
- spin_lock_init(&mxport->spinlock);
- mutex_init(&mxport->mutex);
-
- mxdev = usb_get_serial_data(port->serial);
-
- switch (mxdev->mxd_model) {
- case MXU1_1110_PRODUCT_ID:
- case MXU1_1150_PRODUCT_ID:
- case MXU1_1151_PRODUCT_ID:
- mxport->uart_mode = MXU1_UART_232;
- break;
- case MXU1_1130_PRODUCT_ID:
- case MXU1_1131_PRODUCT_ID:
- mxport->uart_mode = MXU1_UART_485_RECEIVER_DISABLED;
- break;
- }
-
- usb_set_serial_port_data(port, mxport);
-
- port->port.closing_wait =
- msecs_to_jiffies(MXU1_DEFAULT_CLOSING_WAIT * 10);
- port->port.drain_delay = 1;
-
- return 0;
-}
-
-static int mxu1_port_remove(struct usb_serial_port *port)
-{
- struct mxu1_port *mxport;
-
- mxport = usb_get_serial_port_data(port);
- kfree(mxport);
-
- return 0;
-}
-
-static int mxu1_startup(struct usb_serial *serial)
-{
- struct mxu1_device *mxdev;
- struct usb_device *dev = serial->dev;
- struct usb_host_interface *cur_altsetting;
- char fw_name[32];
- const struct firmware *fw_p = NULL;
- int err;
-
- dev_dbg(&serial->interface->dev, "%s - product 0x%04X, num configurations %d, configuration value %d\n",
- __func__, le16_to_cpu(dev->descriptor.idProduct),
- dev->descriptor.bNumConfigurations,
- dev->actconfig->desc.bConfigurationValue);
-
- /* create device structure */
- mxdev = kzalloc(sizeof(struct mxu1_device), GFP_KERNEL);
- if (!mxdev)
- return -ENOMEM;
-
- usb_set_serial_data(serial, mxdev);
-
- mxdev->mxd_model = le16_to_cpu(dev->descriptor.idProduct);
-
- cur_altsetting = serial->interface->cur_altsetting;
-
- /* if we have only 1 configuration, download firmware */
- if (cur_altsetting->desc.bNumEndpoints == 1) {
-
- snprintf(fw_name,
- sizeof(fw_name),
- "moxa/moxa-%04x.fw",
- mxdev->mxd_model);
-
- err = request_firmware(&fw_p, fw_name, &serial->interface->dev);
- if (err) {
- dev_err(&serial->interface->dev, "failed to request firmware: %d\n",
- err);
- goto err_free_mxdev;
- }
-
- err = mxu1_download_firmware(serial, fw_p);
- if (err)
- goto err_release_firmware;
-
- /* device is being reset */
- err = -ENODEV;
- goto err_release_firmware;
- }
-
- return 0;
-
-err_release_firmware:
- release_firmware(fw_p);
-err_free_mxdev:
- kfree(mxdev);
-
- return err;
-}
-
-static void mxu1_release(struct usb_serial *serial)
-{
- struct mxu1_device *mxdev;
-
- mxdev = usb_get_serial_data(serial);
- kfree(mxdev);
-}
-
-static int mxu1_write_byte(struct usb_serial_port *port, u32 addr,
- u8 mask, u8 byte)
-{
- int status;
- size_t size;
- struct mxu1_write_data_bytes *data;
-
- dev_dbg(&port->dev, "%s - addr 0x%08X, mask 0x%02X, byte 0x%02X\n",
- __func__, addr, mask, byte);
-
- size = sizeof(struct mxu1_write_data_bytes) + 2;
- data = kzalloc(size, GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- data->bAddrType = MXU1_RW_DATA_ADDR_XDATA;
- data->bDataType = MXU1_RW_DATA_BYTE;
- data->bDataCounter = 1;
- data->wBaseAddrHi = cpu_to_be16(addr >> 16);
- data->wBaseAddrLo = cpu_to_be16(addr);
- data->bData[0] = mask;
- data->bData[1] = byte;
-
- status = mxu1_send_ctrl_data_urb(port->serial, MXU1_WRITE_DATA, 0,
- MXU1_RAM_PORT, data, size);
- if (status < 0)
- dev_err(&port->dev, "%s - failed: %d\n", __func__, status);
-
- kfree(data);
-
- return status;
-}
-
-static int mxu1_set_mcr(struct usb_serial_port *port, unsigned int mcr)
-{
- int status;
-
- status = mxu1_write_byte(port,
- MXU1_UART_BASE_ADDR + MXU1_UART_OFFSET_MCR,
- MXU1_MCR_RTS | MXU1_MCR_DTR | MXU1_MCR_LOOP,
- mcr);
- return status;
-}
-
-static void mxu1_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port,
- struct ktermios *old_termios)
-{
- struct mxu1_port *mxport = usb_get_serial_port_data(port);
- struct mxu1_uart_config *config;
- tcflag_t cflag, iflag;
- speed_t baud;
- int status;
- unsigned int mcr;
-
- cflag = tty->termios.c_cflag;
- iflag = tty->termios.c_iflag;
-
- if (old_termios &&
- !tty_termios_hw_change(&tty->termios, old_termios) &&
- tty->termios.c_iflag == old_termios->c_iflag) {
- dev_dbg(&port->dev, "%s - nothing to change\n", __func__);
- return;
- }
-
- dev_dbg(&port->dev,
- "%s - cflag 0x%08x, iflag 0x%08x\n", __func__, cflag, iflag);
-
- if (old_termios) {
- dev_dbg(&port->dev, "%s - old cflag 0x%08x, old iflag 0x%08x\n",
- __func__,
- old_termios->c_cflag,
- old_termios->c_iflag);
- }
-
- config = kzalloc(sizeof(*config), GFP_KERNEL);
- if (!config)
- return;
-
- /* these flags must be set */
- config->wFlags |= MXU1_UART_ENABLE_MS_INTS;
- config->wFlags |= MXU1_UART_ENABLE_AUTO_START_DMA;
- if (mxport->send_break)
- config->wFlags |= MXU1_UART_SEND_BREAK_SIGNAL;
- config->bUartMode = mxport->uart_mode;
-
- switch (C_CSIZE(tty)) {
- case CS5:
- config->bDataBits = MXU1_UART_5_DATA_BITS;
- break;
- case CS6:
- config->bDataBits = MXU1_UART_6_DATA_BITS;
- break;
- case CS7:
- config->bDataBits = MXU1_UART_7_DATA_BITS;
- break;
- default:
- case CS8:
- config->bDataBits = MXU1_UART_8_DATA_BITS;
- break;
- }
-
- if (C_PARENB(tty)) {
- config->wFlags |= MXU1_UART_ENABLE_PARITY_CHECKING;
- if (C_CMSPAR(tty)) {
- if (C_PARODD(tty))
- config->bParity = MXU1_UART_MARK_PARITY;
- else
- config->bParity = MXU1_UART_SPACE_PARITY;
- } else {
- if (C_PARODD(tty))
- config->bParity = MXU1_UART_ODD_PARITY;
- else
- config->bParity = MXU1_UART_EVEN_PARITY;
- }
- } else {
- config->bParity = MXU1_UART_NO_PARITY;
- }
-
- if (C_CSTOPB(tty))
- config->bStopBits = MXU1_UART_2_STOP_BITS;
- else
- config->bStopBits = MXU1_UART_1_STOP_BITS;
-
- if (C_CRTSCTS(tty)) {
- /* RTS flow control must be off to drop RTS for baud rate B0 */
- if (C_BAUD(tty) != B0)
- config->wFlags |= MXU1_UART_ENABLE_RTS_IN;
- config->wFlags |= MXU1_UART_ENABLE_CTS_OUT;
- }
-
- if (I_IXOFF(tty) || I_IXON(tty)) {
- config->cXon = START_CHAR(tty);
- config->cXoff = STOP_CHAR(tty);
-
- if (I_IXOFF(tty))
- config->wFlags |= MXU1_UART_ENABLE_X_IN;
-
- if (I_IXON(tty))
- config->wFlags |= MXU1_UART_ENABLE_X_OUT;
- }
-
- baud = tty_get_baud_rate(tty);
- if (!baud)
- baud = 9600;
- config->wBaudRate = MXU1_BAUD_BASE / baud;
-
- dev_dbg(&port->dev, "%s - BaudRate=%d, wBaudRate=%d, wFlags=0x%04X, bDataBits=%d, bParity=%d, bStopBits=%d, cXon=%d, cXoff=%d, bUartMode=%d\n",
- __func__, baud, config->wBaudRate, config->wFlags,
- config->bDataBits, config->bParity, config->bStopBits,
- config->cXon, config->cXoff, config->bUartMode);
-
- cpu_to_be16s(&config->wBaudRate);
- cpu_to_be16s(&config->wFlags);
-
- status = mxu1_send_ctrl_data_urb(port->serial, MXU1_SET_CONFIG, 0,
- MXU1_UART1_PORT, config,
- sizeof(*config));
- if (status)
- dev_err(&port->dev, "cannot set config: %d\n", status);
-
- mutex_lock(&mxport->mutex);
- mcr = mxport->mcr;
-
- if (C_BAUD(tty) == B0)
- mcr &= ~(MXU1_MCR_DTR | MXU1_MCR_RTS);
- else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
- mcr |= MXU1_MCR_DTR | MXU1_MCR_RTS;
-
- status = mxu1_set_mcr(port, mcr);
- if (status)
- dev_err(&port->dev, "cannot set modem control: %d\n", status);
- else
- mxport->mcr = mcr;
-
- mutex_unlock(&mxport->mutex);
-
- kfree(config);
-}
-
-static int mxu1_get_serial_info(struct usb_serial_port *port,
- struct serial_struct __user *ret_arg)
-{
- struct serial_struct ret_serial;
- unsigned cwait;
-
- if (!ret_arg)
- return -EFAULT;
-
- cwait = port->port.closing_wait;
- if (cwait != ASYNC_CLOSING_WAIT_NONE)
- cwait = jiffies_to_msecs(cwait) / 10;
-
- memset(&ret_serial, 0, sizeof(ret_serial));
-
- ret_serial.type = PORT_16550A;
- ret_serial.line = port->minor;
- ret_serial.port = 0;
- ret_serial.xmit_fifo_size = port->bulk_out_size;
- ret_serial.baud_base = MXU1_BAUD_BASE;
- ret_serial.close_delay = 5*HZ;
- ret_serial.closing_wait = cwait;
-
- if (copy_to_user(ret_arg, &ret_serial, sizeof(*ret_arg)))
- return -EFAULT;
-
- return 0;
-}
-
-
-static int mxu1_set_serial_info(struct usb_serial_port *port,
- struct serial_struct __user *new_arg)
-{
- struct serial_struct new_serial;
- unsigned cwait;
-
- if (copy_from_user(&new_serial, new_arg, sizeof(new_serial)))
- return -EFAULT;
-
- cwait = new_serial.closing_wait;
- if (cwait != ASYNC_CLOSING_WAIT_NONE)
- cwait = msecs_to_jiffies(10 * new_serial.closing_wait);
-
- port->port.closing_wait = cwait;
-
- return 0;
-}
-
-static int mxu1_ioctl(struct tty_struct *tty,
- unsigned int cmd, unsigned long arg)
-{
- struct usb_serial_port *port = tty->driver_data;
-
- switch (cmd) {
- case TIOCGSERIAL:
- return mxu1_get_serial_info(port,
- (struct serial_struct __user *)arg);
- case TIOCSSERIAL:
- return mxu1_set_serial_info(port,
- (struct serial_struct __user *)arg);
- }
-
- return -ENOIOCTLCMD;
-}
-
-static int mxu1_tiocmget(struct tty_struct *tty)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct mxu1_port *mxport = usb_get_serial_port_data(port);
- unsigned int result;
- unsigned int msr;
- unsigned int mcr;
- unsigned long flags;
-
- mutex_lock(&mxport->mutex);
- spin_lock_irqsave(&mxport->spinlock, flags);
-
- msr = mxport->msr;
- mcr = mxport->mcr;
-
- spin_unlock_irqrestore(&mxport->spinlock, flags);
- mutex_unlock(&mxport->mutex);
-
- result = ((mcr & MXU1_MCR_DTR) ? TIOCM_DTR : 0) |
- ((mcr & MXU1_MCR_RTS) ? TIOCM_RTS : 0) |
- ((mcr & MXU1_MCR_LOOP) ? TIOCM_LOOP : 0) |
- ((msr & MXU1_MSR_CTS) ? TIOCM_CTS : 0) |
- ((msr & MXU1_MSR_CD) ? TIOCM_CAR : 0) |
- ((msr & MXU1_MSR_RI) ? TIOCM_RI : 0) |
- ((msr & MXU1_MSR_DSR) ? TIOCM_DSR : 0);
-
- dev_dbg(&port->dev, "%s - 0x%04X\n", __func__, result);
-
- return result;
-}
-
-static int mxu1_tiocmset(struct tty_struct *tty,
- unsigned int set, unsigned int clear)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct mxu1_port *mxport = usb_get_serial_port_data(port);
- int err;
- unsigned int mcr;
-
- mutex_lock(&mxport->mutex);
- mcr = mxport->mcr;
-
- if (set & TIOCM_RTS)
- mcr |= MXU1_MCR_RTS;
- if (set & TIOCM_DTR)
- mcr |= MXU1_MCR_DTR;
- if (set & TIOCM_LOOP)
- mcr |= MXU1_MCR_LOOP;
-
- if (clear & TIOCM_RTS)
- mcr &= ~MXU1_MCR_RTS;
- if (clear & TIOCM_DTR)
- mcr &= ~MXU1_MCR_DTR;
- if (clear & TIOCM_LOOP)
- mcr &= ~MXU1_MCR_LOOP;
-
- err = mxu1_set_mcr(port, mcr);
- if (!err)
- mxport->mcr = mcr;
-
- mutex_unlock(&mxport->mutex);
-
- return err;
-}
-
-static void mxu1_break(struct tty_struct *tty, int break_state)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct mxu1_port *mxport = usb_get_serial_port_data(port);
-
- if (break_state == -1)
- mxport->send_break = true;
- else
- mxport->send_break = false;
-
- mxu1_set_termios(tty, port, NULL);
-}
-
-static int mxu1_open(struct tty_struct *tty, struct usb_serial_port *port)
-{
- struct mxu1_port *mxport = usb_get_serial_port_data(port);
- struct usb_serial *serial = port->serial;
- int status;
- u16 open_settings;
-
- open_settings = (MXU1_PIPE_MODE_CONTINUOUS |
- MXU1_PIPE_TIMEOUT_ENABLE |
- (MXU1_TRANSFER_TIMEOUT << 2));
-
- mxport->msr = 0;
-
- status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
- if (status) {
- dev_err(&port->dev, "failed to submit interrupt urb: %d\n",
- status);
- return status;
- }
-
- if (tty)
- mxu1_set_termios(tty, port, NULL);
-
- status = mxu1_send_ctrl_urb(serial, MXU1_OPEN_PORT,
- open_settings, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "cannot send open command: %d\n", status);
- goto unlink_int_urb;
- }
-
- status = mxu1_send_ctrl_urb(serial, MXU1_START_PORT,
- 0, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "cannot send start command: %d\n", status);
- goto unlink_int_urb;
- }
-
- status = mxu1_send_ctrl_urb(serial, MXU1_PURGE_PORT,
- MXU1_PURGE_INPUT, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "cannot clear input buffers: %d\n",
- status);
-
- goto unlink_int_urb;
- }
-
- status = mxu1_send_ctrl_urb(serial, MXU1_PURGE_PORT,
- MXU1_PURGE_OUTPUT, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "cannot clear output buffers: %d\n",
- status);
-
- goto unlink_int_urb;
- }
-
- /*
- * reset the data toggle on the bulk endpoints to work around bug in
- * host controllers where things get out of sync some times
- */
- usb_clear_halt(serial->dev, port->write_urb->pipe);
- usb_clear_halt(serial->dev, port->read_urb->pipe);
-
- if (tty)
- mxu1_set_termios(tty, port, NULL);
-
- status = mxu1_send_ctrl_urb(serial, MXU1_OPEN_PORT,
- open_settings, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "cannot send open command: %d\n", status);
- goto unlink_int_urb;
- }
-
- status = mxu1_send_ctrl_urb(serial, MXU1_START_PORT,
- 0, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "cannot send start command: %d\n", status);
- goto unlink_int_urb;
- }
-
- status = usb_serial_generic_open(tty, port);
- if (status)
- goto unlink_int_urb;
-
- return 0;
-
-unlink_int_urb:
- usb_kill_urb(port->interrupt_in_urb);
-
- return status;
-}
-
-static void mxu1_close(struct usb_serial_port *port)
-{
- int status;
-
- usb_serial_generic_close(port);
- usb_kill_urb(port->interrupt_in_urb);
-
- status = mxu1_send_ctrl_urb(port->serial, MXU1_CLOSE_PORT,
- 0, MXU1_UART1_PORT);
- if (status) {
- dev_err(&port->dev, "failed to send close port command: %d\n",
- status);
- }
-}
-
-static void mxu1_handle_new_msr(struct usb_serial_port *port, u8 msr)
-{
- struct mxu1_port *mxport = usb_get_serial_port_data(port);
- struct async_icount *icount;
- unsigned long flags;
-
- dev_dbg(&port->dev, "%s - msr 0x%02X\n", __func__, msr);
-
- spin_lock_irqsave(&mxport->spinlock, flags);
- mxport->msr = msr & MXU1_MSR_MASK;
- spin_unlock_irqrestore(&mxport->spinlock, flags);
-
- if (msr & MXU1_MSR_DELTA_MASK) {
- icount = &port->icount;
- if (msr & MXU1_MSR_DELTA_CTS)
- icount->cts++;
- if (msr & MXU1_MSR_DELTA_DSR)
- icount->dsr++;
- if (msr & MXU1_MSR_DELTA_CD)
- icount->dcd++;
- if (msr & MXU1_MSR_DELTA_RI)
- icount->rng++;
-
- wake_up_interruptible(&port->port.delta_msr_wait);
- }
-}
-
-static void mxu1_interrupt_callback(struct urb *urb)
-{
- struct usb_serial_port *port = urb->context;
- unsigned char *data = urb->transfer_buffer;
- int length = urb->actual_length;
- int function;
- int status;
- u8 msr;
-
- switch (urb->status) {
- case 0:
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- dev_dbg(&port->dev, "%s - urb shutting down: %d\n",
- __func__, urb->status);
- return;
- default:
- dev_dbg(&port->dev, "%s - nonzero urb status: %d\n",
- __func__, urb->status);
- goto exit;
- }
-
- if (length != 2) {
- dev_dbg(&port->dev, "%s - bad packet size: %d\n",
- __func__, length);
- goto exit;
- }
-
- if (data[0] == MXU1_CODE_HARDWARE_ERROR) {
- dev_err(&port->dev, "hardware error: %d\n", data[1]);
- goto exit;
- }
-
- function = mxu1_get_func_from_code(data[0]);
-
- dev_dbg(&port->dev, "%s - function %d, data 0x%02X\n",
- __func__, function, data[1]);
-
- switch (function) {
- case MXU1_CODE_DATA_ERROR:
- dev_dbg(&port->dev, "%s - DATA ERROR, data 0x%02X\n",
- __func__, data[1]);
- break;
-
- case MXU1_CODE_MODEM_STATUS:
- msr = data[1];
- mxu1_handle_new_msr(port, msr);
- break;
-
- default:
- dev_err(&port->dev, "unknown interrupt code: 0x%02X\n",
- data[1]);
- break;
- }
-
-exit:
- status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status) {
- dev_err(&port->dev, "resubmit interrupt urb failed: %d\n",
- status);
- }
-}
-
-static struct usb_serial_driver mxu11x0_device = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "mxu11x0",
- },
- .description = "MOXA UPort 11x0",
- .id_table = mxu1_idtable,
- .num_ports = 1,
- .port_probe = mxu1_port_probe,
- .port_remove = mxu1_port_remove,
- .attach = mxu1_startup,
- .release = mxu1_release,
- .open = mxu1_open,
- .close = mxu1_close,
- .ioctl = mxu1_ioctl,
- .set_termios = mxu1_set_termios,
- .tiocmget = mxu1_tiocmget,
- .tiocmset = mxu1_tiocmset,
- .tiocmiwait = usb_serial_generic_tiocmiwait,
- .get_icount = usb_serial_generic_get_icount,
- .break_ctl = mxu1_break,
- .read_int_callback = mxu1_interrupt_callback,
-};
-
-static struct usb_serial_driver *const serial_drivers[] = {
- &mxu11x0_device, NULL
-};
-
-module_usb_serial_driver(serial_drivers, mxu1_idtable);
-
-MODULE_AUTHOR("Mathieu Othacehe <m.othacehe@gmail.com>");
-MODULE_DESCRIPTION("MOXA UPort 11x0 USB to Serial Hub Driver");
-MODULE_LICENSE("GPL");
-MODULE_FIRMWARE("moxa/moxa-1110.fw");
-MODULE_FIRMWARE("moxa/moxa-1130.fw");
-MODULE_FIRMWARE("moxa/moxa-1131.fw");
-MODULE_FIRMWARE("moxa/moxa-1150.fw");
-MODULE_FIRMWARE("moxa/moxa-1151.fw");
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 8849439a8f18..348e19834b83 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -270,6 +270,7 @@ static void option_instat_callback(struct urb *urb);
#define TELIT_PRODUCT_UE910_V2 0x1012
#define TELIT_PRODUCT_LE922_USBCFG0 0x1042
#define TELIT_PRODUCT_LE922_USBCFG3 0x1043
+#define TELIT_PRODUCT_LE922_USBCFG5 0x1045
#define TELIT_PRODUCT_LE920 0x1200
#define TELIT_PRODUCT_LE910 0x1201
@@ -1132,6 +1133,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9003), /* Quectel UC20 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
@@ -1183,6 +1186,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG3),
.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff),
+ .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
.driver_info = (kernel_ulong_t)&telit_le910_blacklist },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 9919d2a9faf2..1bc6089b9008 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -157,14 +157,17 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
{DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
{DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
- {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx/EM74xx */
- {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx/EM74xx */
+ {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */
+ {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */
+ {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */
+ {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */
{DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
+ {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
/* Huawei devices */
{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 2760a7ba3f30..8c80a48e3233 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -446,7 +446,8 @@ static long vfio_pci_ioctl(void *device_data,
info.num_regions = VFIO_PCI_NUM_REGIONS;
info.num_irqs = VFIO_PCI_NUM_IRQS;
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_DEVICE_GET_REGION_INFO) {
struct pci_dev *pdev = vdev->pdev;
@@ -520,7 +521,8 @@ static long vfio_pci_ioctl(void *device_data,
return -EINVAL;
}
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_DEVICE_GET_IRQ_INFO) {
struct vfio_irq_info info;
@@ -555,7 +557,8 @@ static long vfio_pci_ioctl(void *device_data,
else
info.flags |= VFIO_IRQ_INFO_NORESIZE;
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_DEVICE_SET_IRQS) {
struct vfio_irq_set hdr;
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index 418cdd9ba3f4..e65b142d3422 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -219,7 +219,8 @@ static long vfio_platform_ioctl(void *device_data,
info.num_regions = vdev->num_regions;
info.num_irqs = vdev->num_irqs;
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_DEVICE_GET_REGION_INFO) {
struct vfio_region_info info;
@@ -240,7 +241,8 @@ static long vfio_platform_ioctl(void *device_data,
info.size = vdev->regions[info.index].size;
info.flags = vdev->regions[info.index].flags;
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_DEVICE_GET_IRQ_INFO) {
struct vfio_irq_info info;
@@ -259,7 +261,8 @@ static long vfio_platform_ioctl(void *device_data,
info.flags = vdev->irqs[info.index].flags;
info.count = vdev->irqs[info.index].count;
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_DEVICE_SET_IRQS) {
struct vfio_irq_set hdr;
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 6f1ea3dddbad..75b24e93cedb 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -999,7 +999,8 @@ static long vfio_iommu_type1_ioctl(void *iommu_data,
info.iova_pgsizes = vfio_pgsize_bitmap(iommu);
- return copy_to_user((void __user *)arg, &info, minsz);
+ return copy_to_user((void __user *)arg, &info, minsz) ?
+ -EFAULT : 0;
} else if (cmd == VFIO_IOMMU_MAP_DMA) {
struct vfio_iommu_type1_dma_map map;
@@ -1032,7 +1033,8 @@ static long vfio_iommu_type1_ioctl(void *iommu_data,
if (ret)
return ret;
- return copy_to_user((void __user *)arg, &unmap, minsz);
+ return copy_to_user((void __user *)arg, &unmap, minsz) ?
+ -EFAULT : 0;
}
return -ENOTTY;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index ad2146a9ab2d..236553e81027 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1156,6 +1156,8 @@ int vhost_init_used(struct vhost_virtqueue *vq)
{
__virtio16 last_used_idx;
int r;
+ bool is_le = vq->is_le;
+
if (!vq->private_data) {
vq->is_le = virtio_legacy_is_little_endian();
return 0;
@@ -1165,15 +1167,20 @@ int vhost_init_used(struct vhost_virtqueue *vq)
r = vhost_update_used_flags(vq);
if (r)
- return r;
+ goto err;
vq->signalled_used_valid = false;
- if (!access_ok(VERIFY_READ, &vq->used->idx, sizeof vq->used->idx))
- return -EFAULT;
+ if (!access_ok(VERIFY_READ, &vq->used->idx, sizeof vq->used->idx)) {
+ r = -EFAULT;
+ goto err;
+ }
r = __get_user(last_used_idx, &vq->used->idx);
if (r)
- return r;
+ goto err;
vq->last_used_idx = vhost16_to_cpu(vq, last_used_idx);
return 0;
+err:
+ vq->is_le = is_le;
+ return r;
}
EXPORT_SYMBOL_GPL(vhost_init_used);
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 92f394927f24..6e92917ba77a 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -709,6 +709,7 @@ static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info,
}
if (!err) {
+ ops->cur_blink_jiffies = HZ / 5;
info->fbcon_par = ops;
if (vc)
@@ -956,6 +957,7 @@ static const char *fbcon_startup(void)
ops->currcon = -1;
ops->graphics = 1;
ops->cur_rotate = -1;
+ ops->cur_blink_jiffies = HZ / 5;
info->fbcon_par = ops;
p->con_rotate = initial_rotation;
set_blitting_type(vc, info);
diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c
index c0c11fad4611..7760fc1a2218 100644
--- a/drivers/virtio/virtio_pci_modern.c
+++ b/drivers/virtio/virtio_pci_modern.c
@@ -679,7 +679,7 @@ int virtio_pci_modern_probe(struct virtio_pci_device *vp_dev)
pci_read_config_dword(pci_dev,
notify + offsetof(struct virtio_pci_notify_cap,
- cap.length),
+ cap.offset),
&notify_offset);
/* We don't know how many VQs we'll map, ahead of the time.
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 0f6d8515ba4f..80825a7e8e48 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1569,6 +1569,17 @@ config WATCHDOG_RIO
machines. The watchdog timeout period is normally one minute but
can be changed with a boot-time parameter.
+config WATCHDOG_SUN4V
+ tristate "Sun4v Watchdog support"
+ select WATCHDOG_CORE
+ depends on SPARC64
+ help
+ Say Y here to support the hypervisor watchdog capability embedded
+ in the SPARC sun4v architecture.
+
+ To compile this driver as a module, choose M here. The module will
+ be called sun4v_wdt.
+
# XTENSA Architecture
# Xen Architecture
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index f566753256ab..f6a6a387c6c7 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -179,6 +179,7 @@ obj-$(CONFIG_SH_WDT) += shwdt.o
obj-$(CONFIG_WATCHDOG_RIO) += riowd.o
obj-$(CONFIG_WATCHDOG_CP1XXX) += cpwd.o
+obj-$(CONFIG_WATCHDOG_SUN4V) += sun4v_wdt.o
# XTENSA Architecture
diff --git a/drivers/watchdog/sun4v_wdt.c b/drivers/watchdog/sun4v_wdt.c
new file mode 100644
index 000000000000..1467fe50a76f
--- /dev/null
+++ b/drivers/watchdog/sun4v_wdt.c
@@ -0,0 +1,191 @@
+/*
+ * sun4v watchdog timer
+ * (c) Copyright 2016 Oracle Corporation
+ *
+ * Implement a simple watchdog driver using the built-in sun4v hypervisor
+ * watchdog support. If time expires, the hypervisor stops or bounces
+ * the guest domain.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/watchdog.h>
+#include <asm/hypervisor.h>
+#include <asm/mdesc.h>
+
+#define WDT_TIMEOUT 60
+#define WDT_MAX_TIMEOUT 31536000
+#define WDT_MIN_TIMEOUT 1
+#define WDT_DEFAULT_RESOLUTION_MS 1000 /* 1 second */
+
+static unsigned int timeout;
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default="
+ __MODULE_STRING(WDT_TIMEOUT) ")");
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, S_IRUGO);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static int sun4v_wdt_stop(struct watchdog_device *wdd)
+{
+ sun4v_mach_set_watchdog(0, NULL);
+
+ return 0;
+}
+
+static int sun4v_wdt_ping(struct watchdog_device *wdd)
+{
+ int hverr;
+
+ /*
+ * HV watchdog timer will round up the timeout
+ * passed in to the nearest multiple of the
+ * watchdog resolution in milliseconds.
+ */
+ hverr = sun4v_mach_set_watchdog(wdd->timeout * 1000, NULL);
+ if (hverr == HV_EINVAL)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sun4v_wdt_set_timeout(struct watchdog_device *wdd,
+ unsigned int timeout)
+{
+ wdd->timeout = timeout;
+
+ return 0;
+}
+
+static const struct watchdog_info sun4v_wdt_ident = {
+ .options = WDIOF_SETTIMEOUT |
+ WDIOF_MAGICCLOSE |
+ WDIOF_KEEPALIVEPING,
+ .identity = "sun4v hypervisor watchdog",
+ .firmware_version = 0,
+};
+
+static struct watchdog_ops sun4v_wdt_ops = {
+ .owner = THIS_MODULE,
+ .start = sun4v_wdt_ping,
+ .stop = sun4v_wdt_stop,
+ .ping = sun4v_wdt_ping,
+ .set_timeout = sun4v_wdt_set_timeout,
+};
+
+static struct watchdog_device wdd = {
+ .info = &sun4v_wdt_ident,
+ .ops = &sun4v_wdt_ops,
+ .min_timeout = WDT_MIN_TIMEOUT,
+ .max_timeout = WDT_MAX_TIMEOUT,
+ .timeout = WDT_TIMEOUT,
+};
+
+static int __init sun4v_wdt_init(void)
+{
+ struct mdesc_handle *handle;
+ u64 node;
+ const u64 *value;
+ int err = 0;
+ unsigned long major = 1, minor = 1;
+
+ /*
+ * There are 2 properties that can be set from the control
+ * domain for the watchdog.
+ * watchdog-resolution
+ * watchdog-max-timeout
+ *
+ * We can expect a handle to be returned otherwise something
+ * serious is wrong. Correct to return -ENODEV here.
+ */
+
+ handle = mdesc_grab();
+ if (!handle)
+ return -ENODEV;
+
+ node = mdesc_node_by_name(handle, MDESC_NODE_NULL, "platform");
+ err = -ENODEV;
+ if (node == MDESC_NODE_NULL)
+ goto out_release;
+
+ /*
+ * This is a safe way to validate if we are on the right
+ * platform.
+ */
+ if (sun4v_hvapi_register(HV_GRP_CORE, major, &minor))
+ goto out_hv_unreg;
+
+ /* Allow value of watchdog-resolution up to 1s (default) */
+ value = mdesc_get_property(handle, node, "watchdog-resolution", NULL);
+ err = -EINVAL;
+ if (value) {
+ if (*value == 0 ||
+ *value > WDT_DEFAULT_RESOLUTION_MS)
+ goto out_hv_unreg;
+ }
+
+ value = mdesc_get_property(handle, node, "watchdog-max-timeout", NULL);
+ if (value) {
+ /*
+ * If the property value (in ms) is smaller than
+ * min_timeout, return -EINVAL.
+ */
+ if (*value < wdd.min_timeout * 1000)
+ goto out_hv_unreg;
+
+ /*
+ * If the property value is smaller than
+ * default max_timeout then set watchdog max_timeout to
+ * the value of the property in seconds.
+ */
+ if (*value < wdd.max_timeout * 1000)
+ wdd.max_timeout = *value / 1000;
+ }
+
+ watchdog_init_timeout(&wdd, timeout, NULL);
+
+ watchdog_set_nowayout(&wdd, nowayout);
+
+ err = watchdog_register_device(&wdd);
+ if (err)
+ goto out_hv_unreg;
+
+ pr_info("initialized (timeout=%ds, nowayout=%d)\n",
+ wdd.timeout, nowayout);
+
+ mdesc_release(handle);
+
+ return 0;
+
+out_hv_unreg:
+ sun4v_hvapi_unregister(HV_GRP_CORE);
+
+out_release:
+ mdesc_release(handle);
+ return err;
+}
+
+static void __exit sun4v_wdt_exit(void)
+{
+ sun4v_hvapi_unregister(HV_GRP_CORE);
+ watchdog_unregister_device(&wdd);
+}
+
+module_init(sun4v_wdt_init);
+module_exit(sun4v_wdt_exit);
+
+MODULE_AUTHOR("Wim Coekaerts <wim.coekaerts@oracle.com>");
+MODULE_DESCRIPTION("sun4v watchdog driver");
+MODULE_LICENSE("GPL");
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 7cf8509deda7..2c849b08a91b 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -310,8 +310,16 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state);
err = btrfs_insert_fs_root(root->fs_info, root);
+ /*
+ * The root might have been inserted already, as before we look
+ * for orphan roots, log replay might have happened, which
+ * triggers a transaction commit and qgroup accounting, which
+ * in turn reads and inserts fs roots while doing backref
+ * walking.
+ */
+ if (err == -EEXIST)
+ err = 0;
if (err) {
- BUG_ON(err == -EEXIST);
btrfs_free_fs_root(root);
break;
}
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index c22213789090..19adeb0ef82a 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1756,6 +1756,10 @@ int ceph_pool_perm_check(struct ceph_inode_info *ci, int need)
u32 pool;
int ret, flags;
+ /* does not support pool namespace yet */
+ if (ci->i_pool_ns_len)
+ return -EIO;
+
if (ceph_test_mount_opt(ceph_inode_to_client(&ci->vfs_inode),
NOPOOLPERM))
return 0;
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index cdbf8cf3d52c..6fe0ad26a7df 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2753,7 +2753,8 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
void *inline_data, int inline_len,
struct ceph_buffer *xattr_buf,
struct ceph_mds_session *session,
- struct ceph_cap *cap, int issued)
+ struct ceph_cap *cap, int issued,
+ u32 pool_ns_len)
__releases(ci->i_ceph_lock)
__releases(mdsc->snap_rwsem)
{
@@ -2873,6 +2874,8 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
if (newcaps & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR)) {
/* file layout may have changed */
ci->i_layout = grant->layout;
+ ci->i_pool_ns_len = pool_ns_len;
+
/* size/truncate_seq? */
queue_trunc = ceph_fill_file_size(inode, issued,
le32_to_cpu(grant->truncate_seq),
@@ -3411,6 +3414,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
u32 inline_len = 0;
void *snaptrace;
size_t snaptrace_len;
+ u32 pool_ns_len = 0;
void *p, *end;
dout("handle_caps from mds%d\n", mds);
@@ -3463,6 +3467,21 @@ void ceph_handle_caps(struct ceph_mds_session *session,
p += inline_len;
}
+ if (le16_to_cpu(msg->hdr.version) >= 8) {
+ u64 flush_tid;
+ u32 caller_uid, caller_gid;
+ u32 osd_epoch_barrier;
+ /* version >= 5 */
+ ceph_decode_32_safe(&p, end, osd_epoch_barrier, bad);
+ /* version >= 6 */
+ ceph_decode_64_safe(&p, end, flush_tid, bad);
+ /* version >= 7 */
+ ceph_decode_32_safe(&p, end, caller_uid, bad);
+ ceph_decode_32_safe(&p, end, caller_gid, bad);
+ /* version >= 8 */
+ ceph_decode_32_safe(&p, end, pool_ns_len, bad);
+ }
+
/* lookup ino */
inode = ceph_find_inode(sb, vino);
ci = ceph_inode(inode);
@@ -3518,7 +3537,8 @@ void ceph_handle_caps(struct ceph_mds_session *session,
&cap, &issued);
handle_cap_grant(mdsc, inode, h,
inline_version, inline_data, inline_len,
- msg->middle, session, cap, issued);
+ msg->middle, session, cap, issued,
+ pool_ns_len);
if (realm)
ceph_put_snap_realm(mdsc, realm);
goto done_unlocked;
@@ -3542,7 +3562,8 @@ void ceph_handle_caps(struct ceph_mds_session *session,
issued |= __ceph_caps_dirty(ci);
handle_cap_grant(mdsc, inode, h,
inline_version, inline_data, inline_len,
- msg->middle, session, cap, issued);
+ msg->middle, session, cap, issued,
+ pool_ns_len);
goto done_unlocked;
case CEPH_CAP_OP_FLUSH_ACK:
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index fb4ba2e4e2a5..5849b88bbed3 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -396,6 +396,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
ci->i_symlink = NULL;
memset(&ci->i_dir_layout, 0, sizeof(ci->i_dir_layout));
+ ci->i_pool_ns_len = 0;
ci->i_fragtree = RB_ROOT;
mutex_init(&ci->i_fragtree_mutex);
@@ -756,6 +757,7 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
if (ci->i_layout.fl_pg_pool != info->layout.fl_pg_pool)
ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
ci->i_layout = info->layout;
+ ci->i_pool_ns_len = iinfo->pool_ns_len;
queue_trunc = ceph_fill_file_size(inode, issued,
le32_to_cpu(info->truncate_seq),
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index e7b130a637f9..911d64d865f1 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -100,6 +100,14 @@ static int parse_reply_info_in(void **p, void *end,
} else
info->inline_version = CEPH_INLINE_NONE;
+ if (features & CEPH_FEATURE_FS_FILE_LAYOUT_V2) {
+ ceph_decode_32_safe(p, end, info->pool_ns_len, bad);
+ ceph_decode_need(p, end, info->pool_ns_len, bad);
+ *p += info->pool_ns_len;
+ } else {
+ info->pool_ns_len = 0;
+ }
+
return 0;
bad:
return err;
@@ -2298,6 +2306,14 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
ceph_get_cap_refs(ceph_inode(req->r_old_dentry_dir),
CEPH_CAP_PIN);
+ /* deny access to directories with pool_ns layouts */
+ if (req->r_inode && S_ISDIR(req->r_inode->i_mode) &&
+ ceph_inode(req->r_inode)->i_pool_ns_len)
+ return -EIO;
+ if (req->r_locked_dir &&
+ ceph_inode(req->r_locked_dir)->i_pool_ns_len)
+ return -EIO;
+
/* issue */
mutex_lock(&mdsc->mutex);
__register_request(mdsc, req, dir);
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index ccf11ef0ca87..37712ccffcc6 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -44,6 +44,7 @@ struct ceph_mds_reply_info_in {
u64 inline_version;
u32 inline_len;
char *inline_data;
+ u32 pool_ns_len;
};
/*
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 75b7d125ce66..9c458eb52245 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -287,6 +287,7 @@ struct ceph_inode_info {
struct ceph_dir_layout i_dir_layout;
struct ceph_file_layout i_layout;
+ size_t i_pool_ns_len;
char *i_symlink;
/* for dirs */
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index c48ca13673e3..2eea40353e60 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1013,7 +1013,6 @@ const struct file_operations cifs_file_strict_ops = {
.llseek = cifs_llseek,
.unlocked_ioctl = cifs_ioctl,
.clone_file_range = cifs_clone_file_range,
- .clone_file_range = cifs_clone_file_range,
.setlease = cifs_setlease,
.fallocate = cifs_fallocate,
};
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 68c4547528c4..83aac8ba50b0 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -31,19 +31,15 @@
* so that it will fit. We use hash_64 to convert the value to 31 bits, and
* then add 1, to ensure that we don't end up with a 0 as the value.
*/
-#if BITS_PER_LONG == 64
static inline ino_t
cifs_uniqueid_to_ino_t(u64 fileid)
{
+ if ((sizeof(ino_t)) < (sizeof(u64)))
+ return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
+
return (ino_t)fileid;
+
}
-#else
-static inline ino_t
-cifs_uniqueid_to_ino_t(u64 fileid)
-{
- return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
-}
-#endif
extern struct file_system_type cifs_fs_type;
extern const struct address_space_operations cifs_addr_ops;
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 90b4f9f7de66..76fcb50295a3 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1396,11 +1396,10 @@ openRetry:
* current bigbuf.
*/
static int
-cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid)
+discard_remaining_data(struct TCP_Server_Info *server)
{
unsigned int rfclen = get_rfc1002_length(server->smallbuf);
int remaining = rfclen + 4 - server->total_read;
- struct cifs_readdata *rdata = mid->callback_data;
while (remaining > 0) {
int length;
@@ -1414,10 +1413,20 @@ cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid)
remaining -= length;
}
- dequeue_mid(mid, rdata->result);
return 0;
}
+static int
+cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid)
+{
+ int length;
+ struct cifs_readdata *rdata = mid->callback_data;
+
+ length = discard_remaining_data(server);
+ dequeue_mid(mid, rdata->result);
+ return length;
+}
+
int
cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
{
@@ -1446,6 +1455,12 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
return length;
server->total_read += length;
+ if (server->ops->is_status_pending &&
+ server->ops->is_status_pending(buf, server, 0)) {
+ discard_remaining_data(server);
+ return -1;
+ }
+
/* Was the SMB read successful? */
rdata->result = server->ops->map_error(buf, false);
if (rdata->result != 0) {
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 10f8d5cf5681..42e1f440eb1e 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1106,21 +1106,25 @@ parse_lease_state(struct TCP_Server_Info *server, struct smb2_create_rsp *rsp,
{
char *data_offset;
struct create_context *cc;
- unsigned int next = 0;
+ unsigned int next;
+ unsigned int remaining;
char *name;
data_offset = (char *)rsp + 4 + le32_to_cpu(rsp->CreateContextsOffset);
+ remaining = le32_to_cpu(rsp->CreateContextsLength);
cc = (struct create_context *)data_offset;
- do {
- cc = (struct create_context *)((char *)cc + next);
+ while (remaining >= sizeof(struct create_context)) {
name = le16_to_cpu(cc->NameOffset) + (char *)cc;
- if (le16_to_cpu(cc->NameLength) != 4 ||
- strncmp(name, "RqLs", 4)) {
- next = le32_to_cpu(cc->Next);
- continue;
- }
- return server->ops->parse_lease_buf(cc, epoch);
- } while (next != 0);
+ if (le16_to_cpu(cc->NameLength) == 4 &&
+ strncmp(name, "RqLs", 4) == 0)
+ return server->ops->parse_lease_buf(cc, epoch);
+
+ next = le32_to_cpu(cc->Next);
+ if (!next)
+ break;
+ remaining -= next;
+ cc = (struct create_context *)((char *)cc + next);
+ }
return 0;
}
diff --git a/fs/dcache.c b/fs/dcache.c
index 92d5140de851..2398f9f94337 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -269,9 +269,6 @@ static inline int dname_external(const struct dentry *dentry)
return dentry->d_name.name != dentry->d_iname;
}
-/*
- * Make sure other CPUs see the inode attached before the type is set.
- */
static inline void __d_set_inode_and_type(struct dentry *dentry,
struct inode *inode,
unsigned type_flags)
@@ -279,28 +276,18 @@ static inline void __d_set_inode_and_type(struct dentry *dentry,
unsigned flags;
dentry->d_inode = inode;
- smp_wmb();
flags = READ_ONCE(dentry->d_flags);
flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU);
flags |= type_flags;
WRITE_ONCE(dentry->d_flags, flags);
}
-/*
- * Ideally, we want to make sure that other CPUs see the flags cleared before
- * the inode is detached, but this is really a violation of RCU principles
- * since the ordering suggests we should always set inode before flags.
- *
- * We should instead replace or discard the entire dentry - but that sucks
- * performancewise on mass deletion/rename.
- */
static inline void __d_clear_type_and_inode(struct dentry *dentry)
{
unsigned flags = READ_ONCE(dentry->d_flags);
flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU);
WRITE_ONCE(dentry->d_flags, flags);
- smp_wmb();
dentry->d_inode = NULL;
}
@@ -370,9 +357,11 @@ static void dentry_unlink_inode(struct dentry * dentry)
__releases(dentry->d_inode->i_lock)
{
struct inode *inode = dentry->d_inode;
+
+ raw_write_seqcount_begin(&dentry->d_seq);
__d_clear_type_and_inode(dentry);
hlist_del_init(&dentry->d_u.d_alias);
- dentry_rcuwalk_invalidate(dentry);
+ raw_write_seqcount_end(&dentry->d_seq);
spin_unlock(&dentry->d_lock);
spin_unlock(&inode->i_lock);
if (!inode->i_nlink)
@@ -1758,8 +1747,9 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
spin_lock(&dentry->d_lock);
if (inode)
hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry);
+ raw_write_seqcount_begin(&dentry->d_seq);
__d_set_inode_and_type(dentry, inode, add_flags);
- dentry_rcuwalk_invalidate(dentry);
+ raw_write_seqcount_end(&dentry->d_seq);
spin_unlock(&dentry->d_lock);
fsnotify_d_instantiate(dentry, inode);
}
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 1f76d8950a57..5c46ed9f3e14 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -223,6 +223,9 @@ static void wb_wait_for_completion(struct backing_dev_info *bdi,
#define WB_FRN_HIST_MAX_SLOTS (WB_FRN_HIST_THR_SLOTS / 2 + 1)
/* one round can affect upto 5 slots */
+static atomic_t isw_nr_in_flight = ATOMIC_INIT(0);
+static struct workqueue_struct *isw_wq;
+
void __inode_attach_wb(struct inode *inode, struct page *page)
{
struct backing_dev_info *bdi = inode_to_bdi(inode);
@@ -317,7 +320,6 @@ static void inode_switch_wbs_work_fn(struct work_struct *work)
struct inode_switch_wbs_context *isw =
container_of(work, struct inode_switch_wbs_context, work);
struct inode *inode = isw->inode;
- struct super_block *sb = inode->i_sb;
struct address_space *mapping = inode->i_mapping;
struct bdi_writeback *old_wb = inode->i_wb;
struct bdi_writeback *new_wb = isw->new_wb;
@@ -424,8 +426,9 @@ skip_switch:
wb_put(new_wb);
iput(inode);
- deactivate_super(sb);
kfree(isw);
+
+ atomic_dec(&isw_nr_in_flight);
}
static void inode_switch_wbs_rcu_fn(struct rcu_head *rcu_head)
@@ -435,7 +438,7 @@ static void inode_switch_wbs_rcu_fn(struct rcu_head *rcu_head)
/* needs to grab bh-unsafe locks, bounce to work item */
INIT_WORK(&isw->work, inode_switch_wbs_work_fn);
- schedule_work(&isw->work);
+ queue_work(isw_wq, &isw->work);
}
/**
@@ -471,20 +474,20 @@ static void inode_switch_wbs(struct inode *inode, int new_wb_id)
/* while holding I_WB_SWITCH, no one else can update the association */
spin_lock(&inode->i_lock);
-
- if (inode->i_state & (I_WB_SWITCH | I_FREEING) ||
- inode_to_wb(inode) == isw->new_wb)
- goto out_unlock;
-
- if (!atomic_inc_not_zero(&inode->i_sb->s_active))
- goto out_unlock;
-
+ if (!(inode->i_sb->s_flags & MS_ACTIVE) ||
+ inode->i_state & (I_WB_SWITCH | I_FREEING) ||
+ inode_to_wb(inode) == isw->new_wb) {
+ spin_unlock(&inode->i_lock);
+ goto out_free;
+ }
inode->i_state |= I_WB_SWITCH;
spin_unlock(&inode->i_lock);
ihold(inode);
isw->inode = inode;
+ atomic_inc(&isw_nr_in_flight);
+
/*
* In addition to synchronizing among switchers, I_WB_SWITCH tells
* the RCU protected stat update paths to grab the mapping's
@@ -494,8 +497,6 @@ static void inode_switch_wbs(struct inode *inode, int new_wb_id)
call_rcu(&isw->rcu_head, inode_switch_wbs_rcu_fn);
return;
-out_unlock:
- spin_unlock(&inode->i_lock);
out_free:
if (isw->new_wb)
wb_put(isw->new_wb);
@@ -847,6 +848,33 @@ restart:
wb_put(last_wb);
}
+/**
+ * cgroup_writeback_umount - flush inode wb switches for umount
+ *
+ * This function is called when a super_block is about to be destroyed and
+ * flushes in-flight inode wb switches. An inode wb switch goes through
+ * RCU and then workqueue, so the two need to be flushed in order to ensure
+ * that all previously scheduled switches are finished. As wb switches are
+ * rare occurrences and synchronize_rcu() can take a while, perform
+ * flushing iff wb switches are in flight.
+ */
+void cgroup_writeback_umount(void)
+{
+ if (atomic_read(&isw_nr_in_flight)) {
+ synchronize_rcu();
+ flush_workqueue(isw_wq);
+ }
+}
+
+static int __init cgroup_writeback_init(void)
+{
+ isw_wq = alloc_workqueue("inode_switch_wbs", 0, 0);
+ if (!isw_wq)
+ return -ENOMEM;
+ return 0;
+}
+fs_initcall(cgroup_writeback_init);
+
#else /* CONFIG_CGROUP_WRITEBACK */
static struct bdi_writeback *
diff --git a/fs/jffs2/README.Locking b/fs/jffs2/README.Locking
index 3ea36554107f..8918ac905a3b 100644
--- a/fs/jffs2/README.Locking
+++ b/fs/jffs2/README.Locking
@@ -2,10 +2,6 @@
JFFS2 LOCKING DOCUMENTATION
---------------------------
-At least theoretically, JFFS2 does not require the Big Kernel Lock
-(BKL), which was always helpfully obtained for it by Linux 2.4 VFS
-code. It has its own locking, as described below.
-
This document attempts to describe the existing locking rules for
JFFS2. It is not expected to remain perfectly up to date, but ought to
be fairly close.
@@ -69,6 +65,7 @@ Ordering constraints:
any f->sem held.
2. Never attempt to lock two file mutexes in one thread.
No ordering rules have been made for doing so.
+ 3. Never lock a page cache page with f->sem held.
erase_completion_lock spinlock
diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c
index 0ae91ad6df2d..b288c8ae1236 100644
--- a/fs/jffs2/build.c
+++ b/fs/jffs2/build.c
@@ -50,7 +50,8 @@ next_inode(int *i, struct jffs2_inode_cache *ic, struct jffs2_sb_info *c)
static void jffs2_build_inode_pass1(struct jffs2_sb_info *c,
- struct jffs2_inode_cache *ic)
+ struct jffs2_inode_cache *ic,
+ int *dir_hardlinks)
{
struct jffs2_full_dirent *fd;
@@ -69,19 +70,21 @@ static void jffs2_build_inode_pass1(struct jffs2_sb_info *c,
dbg_fsbuild("child \"%s\" (ino #%u) of dir ino #%u doesn't exist!\n",
fd->name, fd->ino, ic->ino);
jffs2_mark_node_obsolete(c, fd->raw);
+ /* Clear the ic/raw union so it doesn't cause problems later. */
+ fd->ic = NULL;
continue;
}
+ /* From this point, fd->raw is no longer used so we can set fd->ic */
+ fd->ic = child_ic;
+ child_ic->pino_nlink++;
+ /* If we appear (at this stage) to have hard-linked directories,
+ * set a flag to trigger a scan later */
if (fd->type == DT_DIR) {
- if (child_ic->pino_nlink) {
- JFFS2_ERROR("child dir \"%s\" (ino #%u) of dir ino #%u appears to be a hard link\n",
- fd->name, fd->ino, ic->ino);
- /* TODO: What do we do about it? */
- } else {
- child_ic->pino_nlink = ic->ino;
- }
- } else
- child_ic->pino_nlink++;
+ child_ic->flags |= INO_FLAGS_IS_DIR;
+ if (child_ic->pino_nlink > 1)
+ *dir_hardlinks = 1;
+ }
dbg_fsbuild("increased nlink for child \"%s\" (ino #%u)\n", fd->name, fd->ino);
/* Can't free scan_dents so far. We might need them in pass 2 */
@@ -95,8 +98,7 @@ static void jffs2_build_inode_pass1(struct jffs2_sb_info *c,
*/
static int jffs2_build_filesystem(struct jffs2_sb_info *c)
{
- int ret;
- int i;
+ int ret, i, dir_hardlinks = 0;
struct jffs2_inode_cache *ic;
struct jffs2_full_dirent *fd;
struct jffs2_full_dirent *dead_fds = NULL;
@@ -120,7 +122,7 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c)
/* Now scan the directory tree, increasing nlink according to every dirent found. */
for_each_inode(i, c, ic) {
if (ic->scan_dents) {
- jffs2_build_inode_pass1(c, ic);
+ jffs2_build_inode_pass1(c, ic, &dir_hardlinks);
cond_resched();
}
}
@@ -156,6 +158,20 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c)
}
dbg_fsbuild("pass 2a complete\n");
+
+ if (dir_hardlinks) {
+ /* If we detected directory hardlinks earlier, *hopefully*
+ * they are gone now because some of the links were from
+ * dead directories which still had some old dirents lying
+ * around and not yet garbage-collected, but which have
+ * been discarded above. So clear the pino_nlink field
+ * in each directory, so that the final scan below can
+ * print appropriate warnings. */
+ for_each_inode(i, c, ic) {
+ if (ic->flags & INO_FLAGS_IS_DIR)
+ ic->pino_nlink = 0;
+ }
+ }
dbg_fsbuild("freeing temporary data structures\n");
/* Finally, we can scan again and free the dirent structs */
@@ -163,6 +179,33 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c)
while(ic->scan_dents) {
fd = ic->scan_dents;
ic->scan_dents = fd->next;
+ /* We do use the pino_nlink field to count nlink of
+ * directories during fs build, so set it to the
+ * parent ino# now. Now that there's hopefully only
+ * one. */
+ if (fd->type == DT_DIR) {
+ if (!fd->ic) {
+ /* We'll have complained about it and marked the coresponding
+ raw node obsolete already. Just skip it. */
+ continue;
+ }
+
+ /* We *have* to have set this in jffs2_build_inode_pass1() */
+ BUG_ON(!(fd->ic->flags & INO_FLAGS_IS_DIR));
+
+ /* We clear ic->pino_nlink ∀ directories' ic *only* if dir_hardlinks
+ * is set. Otherwise, we know this should never trigger anyway, so
+ * we don't do the check. And ic->pino_nlink still contains the nlink
+ * value (which is 1). */
+ if (dir_hardlinks && fd->ic->pino_nlink) {
+ JFFS2_ERROR("child dir \"%s\" (ino #%u) of dir ino #%u is also hard linked from dir ino #%u\n",
+ fd->name, fd->ino, ic->ino, fd->ic->pino_nlink);
+ /* Should we unlink it from its previous parent? */
+ }
+
+ /* For directories, ic->pino_nlink holds that parent inode # */
+ fd->ic->pino_nlink = ic->ino;
+ }
jffs2_free_full_dirent(fd);
}
ic->scan_dents = NULL;
@@ -241,11 +284,7 @@ static void jffs2_build_remove_unlinked_inode(struct jffs2_sb_info *c,
/* Reduce nlink of the child. If it's now zero, stick it on the
dead_fds list to be cleaned up later. Else just free the fd */
-
- if (fd->type == DT_DIR)
- child_ic->pino_nlink = 0;
- else
- child_ic->pino_nlink--;
+ child_ic->pino_nlink--;
if (!child_ic->pino_nlink) {
dbg_fsbuild("inode #%u (\"%s\") now has no links; adding to dead_fds list.\n",
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index c5ac5944bc1b..cad86bac3453 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -137,39 +137,33 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
struct page *pg;
struct inode *inode = mapping->host;
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
- struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
- struct jffs2_raw_inode ri;
- uint32_t alloc_len = 0;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
uint32_t pageofs = index << PAGE_CACHE_SHIFT;
int ret = 0;
- jffs2_dbg(1, "%s()\n", __func__);
-
- if (pageofs > inode->i_size) {
- ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
- ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
- if (ret)
- return ret;
- }
-
- mutex_lock(&f->sem);
pg = grab_cache_page_write_begin(mapping, index, flags);
- if (!pg) {
- if (alloc_len)
- jffs2_complete_reservation(c);
- mutex_unlock(&f->sem);
+ if (!pg)
return -ENOMEM;
- }
*pagep = pg;
- if (alloc_len) {
+ jffs2_dbg(1, "%s()\n", __func__);
+
+ if (pageofs > inode->i_size) {
/* Make new hole frag from old EOF to new page */
+ struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
+ struct jffs2_raw_inode ri;
struct jffs2_full_dnode *fn;
+ uint32_t alloc_len;
jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
(unsigned int)inode->i_size, pageofs);
+ ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
+ ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
+ if (ret)
+ goto out_page;
+
+ mutex_lock(&f->sem);
memset(&ri, 0, sizeof(ri));
ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -196,6 +190,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
if (IS_ERR(fn)) {
ret = PTR_ERR(fn);
jffs2_complete_reservation(c);
+ mutex_unlock(&f->sem);
goto out_page;
}
ret = jffs2_add_full_dnode_to_inode(c, f, fn);
@@ -210,10 +205,12 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
jffs2_mark_node_obsolete(c, fn->raw);
jffs2_free_full_dnode(fn);
jffs2_complete_reservation(c);
+ mutex_unlock(&f->sem);
goto out_page;
}
jffs2_complete_reservation(c);
inode->i_size = pageofs;
+ mutex_unlock(&f->sem);
}
/*
@@ -222,18 +219,18 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
* case of a short-copy.
*/
if (!PageUptodate(pg)) {
+ mutex_lock(&f->sem);
ret = jffs2_do_readpage_nolock(inode, pg);
+ mutex_unlock(&f->sem);
if (ret)
goto out_page;
}
- mutex_unlock(&f->sem);
jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags);
return ret;
out_page:
unlock_page(pg);
page_cache_release(pg);
- mutex_unlock(&f->sem);
return ret;
}
diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index 5a2dec2b064c..95d5880a63ee 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -1296,14 +1296,17 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
BUG_ON(start > orig_start);
}
- /* First, use readpage() to read the appropriate page into the page cache */
- /* Q: What happens if we actually try to GC the _same_ page for which commit_write()
- * triggered garbage collection in the first place?
- * A: I _think_ it's OK. read_cache_page shouldn't deadlock, we'll write out the
- * page OK. We'll actually write it out again in commit_write, which is a little
- * suboptimal, but at least we're correct.
- */
+ /* The rules state that we must obtain the page lock *before* f->sem, so
+ * drop f->sem temporarily. Since we also hold c->alloc_sem, nothing's
+ * actually going to *change* so we're safe; we only allow reading.
+ *
+ * It is important to note that jffs2_write_begin() will ensure that its
+ * page is marked Uptodate before allocating space. That means that if we
+ * end up here trying to GC the *same* page that jffs2_write_begin() is
+ * trying to write out, read_cache_page() will not deadlock. */
+ mutex_unlock(&f->sem);
pg_ptr = jffs2_gc_fetch_page(c, f, start, &pg);
+ mutex_lock(&f->sem);
if (IS_ERR(pg_ptr)) {
pr_warn("read_cache_page() returned error: %ld\n",
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index fa35ff79ab35..0637271f3770 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -194,6 +194,7 @@ struct jffs2_inode_cache {
#define INO_STATE_CLEARING 6 /* In clear_inode() */
#define INO_FLAGS_XATTR_CHECKED 0x01 /* has no duplicate xattr_ref */
+#define INO_FLAGS_IS_DIR 0x02 /* is a directory */
#define RAWNODE_CLASS_INODE_CACHE 0
#define RAWNODE_CLASS_XATTR_DATUM 1
@@ -249,7 +250,10 @@ struct jffs2_readinode_info
struct jffs2_full_dirent
{
- struct jffs2_raw_node_ref *raw;
+ union {
+ struct jffs2_raw_node_ref *raw;
+ struct jffs2_inode_cache *ic; /* Just during part of build */
+ };
struct jffs2_full_dirent *next;
uint32_t version;
uint32_t ino; /* == zero for unlink */
diff --git a/fs/super.c b/fs/super.c
index 1182af8fd5ff..74914b1bae70 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -415,6 +415,7 @@ void generic_shutdown_super(struct super_block *sb)
sb->s_flags &= ~MS_ACTIVE;
fsnotify_unmount_inodes(sb);
+ cgroup_writeback_umount();
evict_inodes(sb);
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 50311703135b..66cdb44616d5 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -287,6 +287,12 @@ int handle_userfault(struct vm_area_struct *vma, unsigned long address,
goto out;
/*
+ * We don't do userfault handling for the final child pid update.
+ */
+ if (current->flags & PF_EXITING)
+ goto out;
+
+ /*
* Check that we can return VM_FAULT_RETRY.
*
* NOTE: it should become possible to return VM_FAULT_RETRY
diff --git a/include/linux/ata.h b/include/linux/ata.h
index d2992bfa1706..c1a2f345cbe6 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -487,8 +487,8 @@ enum ata_tf_protocols {
};
enum ata_ioctls {
- ATA_IOC_GET_IO32 = 0x309,
- ATA_IOC_SET_IO32 = 0x324,
+ ATA_IOC_GET_IO32 = 0x309, /* HDIO_GET_32BIT */
+ ATA_IOC_SET_IO32 = 0x324, /* HDIO_SET_32BIT */
};
/* core structures */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5349e6816cbb..cb6888824108 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -310,6 +310,43 @@ static inline void bio_clear_flag(struct bio *bio, unsigned int bit)
bio->bi_flags &= ~(1U << bit);
}
+static inline void bio_get_first_bvec(struct bio *bio, struct bio_vec *bv)
+{
+ *bv = bio_iovec(bio);
+}
+
+static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv)
+{
+ struct bvec_iter iter = bio->bi_iter;
+ int idx;
+
+ if (!bio_flagged(bio, BIO_CLONED)) {
+ *bv = bio->bi_io_vec[bio->bi_vcnt - 1];
+ return;
+ }
+
+ if (unlikely(!bio_multiple_segments(bio))) {
+ *bv = bio_iovec(bio);
+ return;
+ }
+
+ bio_advance_iter(bio, &iter, iter.bi_size);
+
+ if (!iter.bi_bvec_done)
+ idx = iter.bi_idx - 1;
+ else /* in the middle of bvec */
+ idx = iter.bi_idx;
+
+ *bv = bio->bi_io_vec[idx];
+
+ /*
+ * iter.bi_bvec_done records actual length of the last bvec
+ * if this bio ends in the middle of one io vector
+ */
+ if (iter.bi_bvec_done)
+ bv->bv_len = iter.bi_bvec_done;
+}
+
enum bip_flags {
BIP_BLOCK_INTEGRITY = 1 << 0, /* block layer owns integrity data */
BIP_MAPPED_INTEGRITY = 1 << 1, /* ref tag has been remapped */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 4571ef1a12a9..413c84fbc4ed 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -895,7 +895,7 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq)
{
struct request_queue *q = rq->q;
- if (unlikely(rq->cmd_type == REQ_TYPE_BLOCK_PC))
+ if (unlikely(rq->cmd_type != REQ_TYPE_FS))
return q->limits.max_hw_sectors;
if (!q->limits.chunk_sectors || (rq->cmd_flags & REQ_DISCARD))
@@ -1372,6 +1372,13 @@ static inline void put_dev_sector(Sector p)
page_cache_release(p.v);
}
+static inline bool __bvec_gap_to_prev(struct request_queue *q,
+ struct bio_vec *bprv, unsigned int offset)
+{
+ return offset ||
+ ((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q));
+}
+
/*
* Check if adding a bio_vec after bprv with offset would create a gap in
* the SG list. Most drivers don't care about this, but some do.
@@ -1381,18 +1388,22 @@ static inline bool bvec_gap_to_prev(struct request_queue *q,
{
if (!queue_virt_boundary(q))
return false;
- return offset ||
- ((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q));
+ return __bvec_gap_to_prev(q, bprv, offset);
}
static inline bool bio_will_gap(struct request_queue *q, struct bio *prev,
struct bio *next)
{
- if (!bio_has_data(prev))
- return false;
+ if (bio_has_data(prev) && queue_virt_boundary(q)) {
+ struct bio_vec pb, nb;
+
+ bio_get_last_bvec(prev, &pb);
+ bio_get_first_bvec(next, &nb);
- return bvec_gap_to_prev(q, &prev->bi_io_vec[prev->bi_vcnt - 1],
- next->bi_io_vec[0].bv_offset);
+ return __bvec_gap_to_prev(q, &pb, nb.bv_offset);
+ }
+
+ return false;
}
static inline bool req_gap_back_merge(struct request *req, struct bio *bio)
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index c1ef6f14e7be..15151f3c4120 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -75,6 +75,7 @@
#define CEPH_FEATURE_CRUSH_TUNABLES5 (1ULL<<58) /* chooseleaf stable mode */
// duplicated since it was introduced at the same time as CEPH_FEATURE_CRUSH_TUNABLES5
#define CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING (1ULL<<58) /* New, v7 encoding */
+#define CEPH_FEATURE_FS_FILE_LAYOUT_V2 (1ULL<<58) /* file_layout_t */
/*
* The introduction of CEPH_FEATURE_OSD_SNAPMAPPER caused the feature
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 7781ce110503..c4b5f4b3f8f8 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -409,9 +409,7 @@ static inline bool d_mountpoint(const struct dentry *dentry)
*/
static inline unsigned __d_entry_type(const struct dentry *dentry)
{
- unsigned type = READ_ONCE(dentry->d_flags);
- smp_rmb();
- return type & DCACHE_ENTRY_TYPE;
+ return dentry->d_flags & DCACHE_ENTRY_TYPE;
}
static inline bool d_is_miss(const struct dentry *dentry)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index bec2abbd7ab2..2c4ebef79d0c 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -720,7 +720,7 @@ struct ata_device {
union {
u16 id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
u32 gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
- };
+ } ____cacheline_aligned;
/* DEVSLP Timing Variables from Identify Device Data Log */
u8 devslp_timing[ATA_LOG_DEVSLP_SIZE];
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 429fdfc3baf5..925730bc9fc1 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -568,6 +568,8 @@ enum {
FILTER_DYN_STRING,
FILTER_PTR_STRING,
FILTER_TRACE_FN,
+ FILTER_COMM,
+ FILTER_CPU,
};
extern int trace_event_raw_init(struct trace_event_call *call);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index b333c945e571..d0b5ca5d4e08 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -198,6 +198,7 @@ void wbc_attach_and_unlock_inode(struct writeback_control *wbc,
void wbc_detach_inode(struct writeback_control *wbc);
void wbc_account_io(struct writeback_control *wbc, struct page *page,
size_t bytes);
+void cgroup_writeback_umount(void);
/**
* inode_attach_wb - associate an inode with its wb
@@ -301,6 +302,10 @@ static inline void wbc_account_io(struct writeback_control *wbc,
{
}
+static inline void cgroup_writeback_umount(void)
+{
+}
+
#endif /* CONFIG_CGROUP_WRITEBACK */
/*
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 1e3c8cb43bd7..625b38f65764 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -66,27 +66,33 @@ struct media_device_info {
/*
* DVB entities
*/
-#define MEDIA_ENT_F_DTV_DEMOD (MEDIA_ENT_F_BASE + 1)
-#define MEDIA_ENT_F_TS_DEMUX (MEDIA_ENT_F_BASE + 2)
-#define MEDIA_ENT_F_DTV_CA (MEDIA_ENT_F_BASE + 3)
-#define MEDIA_ENT_F_DTV_NET_DECAP (MEDIA_ENT_F_BASE + 4)
+#define MEDIA_ENT_F_DTV_DEMOD (MEDIA_ENT_F_BASE + 0x00001)
+#define MEDIA_ENT_F_TS_DEMUX (MEDIA_ENT_F_BASE + 0x00002)
+#define MEDIA_ENT_F_DTV_CA (MEDIA_ENT_F_BASE + 0x00003)
+#define MEDIA_ENT_F_DTV_NET_DECAP (MEDIA_ENT_F_BASE + 0x00004)
/*
- * Connectors
+ * I/O entities
*/
-/* It is a responsibility of the entity drivers to add connectors and links */
-#define MEDIA_ENT_F_CONN_RF (MEDIA_ENT_F_BASE + 21)
-#define MEDIA_ENT_F_CONN_SVIDEO (MEDIA_ENT_F_BASE + 22)
-#define MEDIA_ENT_F_CONN_COMPOSITE (MEDIA_ENT_F_BASE + 23)
-/* For internal test signal generators and other debug connectors */
-#define MEDIA_ENT_F_CONN_TEST (MEDIA_ENT_F_BASE + 24)
+#define MEDIA_ENT_F_IO_DTV (MEDIA_ENT_F_BASE + 0x01001)
+#define MEDIA_ENT_F_IO_VBI (MEDIA_ENT_F_BASE + 0x01002)
+#define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 0x01003)
/*
- * I/O entities
+ * Connectors
*/
-#define MEDIA_ENT_F_IO_DTV (MEDIA_ENT_F_BASE + 31)
-#define MEDIA_ENT_F_IO_VBI (MEDIA_ENT_F_BASE + 32)
-#define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 33)
+/* It is a responsibility of the entity drivers to add connectors and links */
+#ifdef __KERNEL__
+ /*
+ * For now, it should not be used in userspace, as some
+ * definitions may change
+ */
+
+#define MEDIA_ENT_F_CONN_RF (MEDIA_ENT_F_BASE + 0x30001)
+#define MEDIA_ENT_F_CONN_SVIDEO (MEDIA_ENT_F_BASE + 0x30002)
+#define MEDIA_ENT_F_CONN_COMPOSITE (MEDIA_ENT_F_BASE + 0x30003)
+
+#endif
/*
* Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and
@@ -291,14 +297,14 @@ struct media_v2_entity {
__u32 id;
char name[64]; /* FIXME: move to a property? (RFC says so) */
__u32 function; /* Main function of the entity */
- __u16 reserved[12];
-};
+ __u32 reserved[6];
+} __attribute__ ((packed));
/* Should match the specific fields at media_intf_devnode */
struct media_v2_intf_devnode {
__u32 major;
__u32 minor;
-};
+} __attribute__ ((packed));
struct media_v2_interface {
__u32 id;
@@ -310,22 +316,22 @@ struct media_v2_interface {
struct media_v2_intf_devnode devnode;
__u32 raw[16];
};
-};
+} __attribute__ ((packed));
struct media_v2_pad {
__u32 id;
__u32 entity_id;
__u32 flags;
- __u16 reserved[9];
-};
+ __u32 reserved[5];
+} __attribute__ ((packed));
struct media_v2_link {
__u32 id;
__u32 source_id;
__u32 sink_id;
__u32 flags;
- __u32 reserved[5];
-};
+ __u32 reserved[6];
+} __attribute__ ((packed));
struct media_v2_topology {
__u64 topology_version;
@@ -345,7 +351,7 @@ struct media_v2_topology {
__u32 num_links;
__u32 reserved4;
__u64 ptr_links;
-};
+} __attribute__ ((packed));
static inline void __user *media_get_uptr(__u64 arg)
{
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index ab09829d3b97..05ddc0820771 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -97,16 +97,16 @@ trace_find_event_field(struct trace_event_call *call, char *name)
struct ftrace_event_field *field;
struct list_head *head;
- field = __find_event_field(&ftrace_generic_fields, name);
+ head = trace_get_fields(call);
+ field = __find_event_field(head, name);
if (field)
return field;
- field = __find_event_field(&ftrace_common_fields, name);
+ field = __find_event_field(&ftrace_generic_fields, name);
if (field)
return field;
- head = trace_get_fields(call);
- return __find_event_field(head, name);
+ return __find_event_field(&ftrace_common_fields, name);
}
static int __trace_define_field(struct list_head *head, const char *type,
@@ -171,8 +171,10 @@ static int trace_define_generic_fields(void)
{
int ret;
- __generic_field(int, cpu, FILTER_OTHER);
- __generic_field(char *, comm, FILTER_PTR_STRING);
+ __generic_field(int, CPU, FILTER_CPU);
+ __generic_field(int, cpu, FILTER_CPU);
+ __generic_field(char *, COMM, FILTER_COMM);
+ __generic_field(char *, comm, FILTER_COMM);
return ret;
}
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index f93a219b18da..6816302542b2 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1043,13 +1043,14 @@ static int init_pred(struct filter_parse_state *ps,
return -EINVAL;
}
- if (is_string_field(field)) {
+ if (field->filter_type == FILTER_COMM) {
+ filter_build_regex(pred);
+ fn = filter_pred_comm;
+ pred->regex.field_len = TASK_COMM_LEN;
+ } else if (is_string_field(field)) {
filter_build_regex(pred);
- if (!strcmp(field->name, "comm")) {
- fn = filter_pred_comm;
- pred->regex.field_len = TASK_COMM_LEN;
- } else if (field->filter_type == FILTER_STATIC_STRING) {
+ if (field->filter_type == FILTER_STATIC_STRING) {
fn = filter_pred_string;
pred->regex.field_len = field->size;
} else if (field->filter_type == FILTER_DYN_STRING)
@@ -1072,7 +1073,7 @@ static int init_pred(struct filter_parse_state *ps,
}
pred->val = val;
- if (!strcmp(field->name, "cpu"))
+ if (field->filter_type == FILTER_CPU)
fn = filter_pred_cpu;
else
fn = select_comparison_fn(pred->op, field->size,
diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index b9c0910fb8c4..0608f216f359 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -170,6 +170,19 @@ struct snd_ctl_elem_value32 {
unsigned char reserved[128];
};
+#ifdef CONFIG_X86_X32
+/* x32 has a different alignment for 64bit values from ia32 */
+struct snd_ctl_elem_value_x32 {
+ struct snd_ctl_elem_id id;
+ unsigned int indirect; /* bit-field causes misalignment */
+ union {
+ s32 integer[128];
+ unsigned char data[512];
+ s64 integer64[64];
+ } value;
+ unsigned char reserved[128];
+};
+#endif /* CONFIG_X86_X32 */
/* get the value type and count of the control */
static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id,
@@ -219,9 +232,11 @@ static int get_elem_size(int type, int count)
static int copy_ctl_value_from_user(struct snd_card *card,
struct snd_ctl_elem_value *data,
- struct snd_ctl_elem_value32 __user *data32,
+ void __user *userdata,
+ void __user *valuep,
int *typep, int *countp)
{
+ struct snd_ctl_elem_value32 __user *data32 = userdata;
int i, type, size;
int uninitialized_var(count);
unsigned int indirect;
@@ -239,8 +254,9 @@ static int copy_ctl_value_from_user(struct snd_card *card,
if (type == SNDRV_CTL_ELEM_TYPE_BOOLEAN ||
type == SNDRV_CTL_ELEM_TYPE_INTEGER) {
for (i = 0; i < count; i++) {
+ s32 __user *intp = valuep;
int val;
- if (get_user(val, &data32->value.integer[i]))
+ if (get_user(val, &intp[i]))
return -EFAULT;
data->value.integer.value[i] = val;
}
@@ -250,8 +266,7 @@ static int copy_ctl_value_from_user(struct snd_card *card,
dev_err(card->dev, "snd_ioctl32_ctl_elem_value: unknown type %d\n", type);
return -EINVAL;
}
- if (copy_from_user(data->value.bytes.data,
- data32->value.data, size))
+ if (copy_from_user(data->value.bytes.data, valuep, size))
return -EFAULT;
}
@@ -261,7 +276,8 @@ static int copy_ctl_value_from_user(struct snd_card *card,
}
/* restore the value to 32bit */
-static int copy_ctl_value_to_user(struct snd_ctl_elem_value32 __user *data32,
+static int copy_ctl_value_to_user(void __user *userdata,
+ void __user *valuep,
struct snd_ctl_elem_value *data,
int type, int count)
{
@@ -270,22 +286,22 @@ static int copy_ctl_value_to_user(struct snd_ctl_elem_value32 __user *data32,
if (type == SNDRV_CTL_ELEM_TYPE_BOOLEAN ||
type == SNDRV_CTL_ELEM_TYPE_INTEGER) {
for (i = 0; i < count; i++) {
+ s32 __user *intp = valuep;
int val;
val = data->value.integer.value[i];
- if (put_user(val, &data32->value.integer[i]))
+ if (put_user(val, &intp[i]))
return -EFAULT;
}
} else {
size = get_elem_size(type, count);
- if (copy_to_user(data32->value.data,
- data->value.bytes.data, size))
+ if (copy_to_user(valuep, data->value.bytes.data, size))
return -EFAULT;
}
return 0;
}
-static int snd_ctl_elem_read_user_compat(struct snd_card *card,
- struct snd_ctl_elem_value32 __user *data32)
+static int ctl_elem_read_user(struct snd_card *card,
+ void __user *userdata, void __user *valuep)
{
struct snd_ctl_elem_value *data;
int err, type, count;
@@ -294,7 +310,9 @@ static int snd_ctl_elem_read_user_compat(struct snd_card *card,
if (data == NULL)
return -ENOMEM;
- if ((err = copy_ctl_value_from_user(card, data, data32, &type, &count)) < 0)
+ err = copy_ctl_value_from_user(card, data, userdata, valuep,
+ &type, &count);
+ if (err < 0)
goto error;
snd_power_lock(card);
@@ -303,14 +321,15 @@ static int snd_ctl_elem_read_user_compat(struct snd_card *card,
err = snd_ctl_elem_read(card, data);
snd_power_unlock(card);
if (err >= 0)
- err = copy_ctl_value_to_user(data32, data, type, count);
+ err = copy_ctl_value_to_user(userdata, valuep, data,
+ type, count);
error:
kfree(data);
return err;
}
-static int snd_ctl_elem_write_user_compat(struct snd_ctl_file *file,
- struct snd_ctl_elem_value32 __user *data32)
+static int ctl_elem_write_user(struct snd_ctl_file *file,
+ void __user *userdata, void __user *valuep)
{
struct snd_ctl_elem_value *data;
struct snd_card *card = file->card;
@@ -320,7 +339,9 @@ static int snd_ctl_elem_write_user_compat(struct snd_ctl_file *file,
if (data == NULL)
return -ENOMEM;
- if ((err = copy_ctl_value_from_user(card, data, data32, &type, &count)) < 0)
+ err = copy_ctl_value_from_user(card, data, userdata, valuep,
+ &type, &count);
+ if (err < 0)
goto error;
snd_power_lock(card);
@@ -329,12 +350,39 @@ static int snd_ctl_elem_write_user_compat(struct snd_ctl_file *file,
err = snd_ctl_elem_write(card, file, data);
snd_power_unlock(card);
if (err >= 0)
- err = copy_ctl_value_to_user(data32, data, type, count);
+ err = copy_ctl_value_to_user(userdata, valuep, data,
+ type, count);
error:
kfree(data);
return err;
}
+static int snd_ctl_elem_read_user_compat(struct snd_card *card,
+ struct snd_ctl_elem_value32 __user *data32)
+{
+ return ctl_elem_read_user(card, data32, &data32->value);
+}
+
+static int snd_ctl_elem_write_user_compat(struct snd_ctl_file *file,
+ struct snd_ctl_elem_value32 __user *data32)
+{
+ return ctl_elem_write_user(file, data32, &data32->value);
+}
+
+#ifdef CONFIG_X86_X32
+static int snd_ctl_elem_read_user_x32(struct snd_card *card,
+ struct snd_ctl_elem_value_x32 __user *data32)
+{
+ return ctl_elem_read_user(card, data32, &data32->value);
+}
+
+static int snd_ctl_elem_write_user_x32(struct snd_ctl_file *file,
+ struct snd_ctl_elem_value_x32 __user *data32)
+{
+ return ctl_elem_write_user(file, data32, &data32->value);
+}
+#endif /* CONFIG_X86_X32 */
+
/* add or replace a user control */
static int snd_ctl_elem_add_compat(struct snd_ctl_file *file,
struct snd_ctl_elem_info32 __user *data32,
@@ -393,6 +441,10 @@ enum {
SNDRV_CTL_IOCTL_ELEM_WRITE32 = _IOWR('U', 0x13, struct snd_ctl_elem_value32),
SNDRV_CTL_IOCTL_ELEM_ADD32 = _IOWR('U', 0x17, struct snd_ctl_elem_info32),
SNDRV_CTL_IOCTL_ELEM_REPLACE32 = _IOWR('U', 0x18, struct snd_ctl_elem_info32),
+#ifdef CONFIG_X86_X32
+ SNDRV_CTL_IOCTL_ELEM_READ_X32 = _IOWR('U', 0x12, struct snd_ctl_elem_value_x32),
+ SNDRV_CTL_IOCTL_ELEM_WRITE_X32 = _IOWR('U', 0x13, struct snd_ctl_elem_value_x32),
+#endif /* CONFIG_X86_X32 */
};
static inline long snd_ctl_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
@@ -431,6 +483,12 @@ static inline long snd_ctl_ioctl_compat(struct file *file, unsigned int cmd, uns
return snd_ctl_elem_add_compat(ctl, argp, 0);
case SNDRV_CTL_IOCTL_ELEM_REPLACE32:
return snd_ctl_elem_add_compat(ctl, argp, 1);
+#ifdef CONFIG_X86_X32
+ case SNDRV_CTL_IOCTL_ELEM_READ_X32:
+ return snd_ctl_elem_read_user_x32(ctl->card, argp);
+ case SNDRV_CTL_IOCTL_ELEM_WRITE_X32:
+ return snd_ctl_elem_write_user_x32(ctl, argp);
+#endif /* CONFIG_X86_X32 */
}
down_read(&snd_ioctl_rwsem);
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 9630e9f72b7b..1f64ab0c2a95 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -183,6 +183,14 @@ static int snd_pcm_ioctl_channel_info_compat(struct snd_pcm_substream *substream
return err;
}
+#ifdef CONFIG_X86_X32
+/* X32 ABI has the same struct as x86-64 for snd_pcm_channel_info */
+static int snd_pcm_channel_info_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_channel_info __user *src);
+#define snd_pcm_ioctl_channel_info_x32(s, p) \
+ snd_pcm_channel_info_user(s, p)
+#endif /* CONFIG_X86_X32 */
+
struct snd_pcm_status32 {
s32 state;
struct compat_timespec trigger_tstamp;
@@ -243,6 +251,71 @@ static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream,
return err;
}
+#ifdef CONFIG_X86_X32
+/* X32 ABI has 64bit timespec and 64bit alignment */
+struct snd_pcm_status_x32 {
+ s32 state;
+ u32 rsvd; /* alignment */
+ struct timespec trigger_tstamp;
+ struct timespec tstamp;
+ u32 appl_ptr;
+ u32 hw_ptr;
+ s32 delay;
+ u32 avail;
+ u32 avail_max;
+ u32 overrange;
+ s32 suspended_state;
+ u32 audio_tstamp_data;
+ struct timespec audio_tstamp;
+ struct timespec driver_tstamp;
+ u32 audio_tstamp_accuracy;
+ unsigned char reserved[52-2*sizeof(struct timespec)];
+} __packed;
+
+#define put_timespec(src, dst) copy_to_user(dst, src, sizeof(*dst))
+
+static int snd_pcm_status_user_x32(struct snd_pcm_substream *substream,
+ struct snd_pcm_status_x32 __user *src,
+ bool ext)
+{
+ struct snd_pcm_status status;
+ int err;
+
+ memset(&status, 0, sizeof(status));
+ /*
+ * with extension, parameters are read/write,
+ * get audio_tstamp_data from user,
+ * ignore rest of status structure
+ */
+ if (ext && get_user(status.audio_tstamp_data,
+ (u32 __user *)(&src->audio_tstamp_data)))
+ return -EFAULT;
+ err = snd_pcm_status(substream, &status);
+ if (err < 0)
+ return err;
+
+ if (clear_user(src, sizeof(*src)))
+ return -EFAULT;
+ if (put_user(status.state, &src->state) ||
+ put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) ||
+ put_timespec(&status.tstamp, &src->tstamp) ||
+ put_user(status.appl_ptr, &src->appl_ptr) ||
+ put_user(status.hw_ptr, &src->hw_ptr) ||
+ put_user(status.delay, &src->delay) ||
+ put_user(status.avail, &src->avail) ||
+ put_user(status.avail_max, &src->avail_max) ||
+ put_user(status.overrange, &src->overrange) ||
+ put_user(status.suspended_state, &src->suspended_state) ||
+ put_user(status.audio_tstamp_data, &src->audio_tstamp_data) ||
+ put_timespec(&status.audio_tstamp, &src->audio_tstamp) ||
+ put_timespec(&status.driver_tstamp, &src->driver_tstamp) ||
+ put_user(status.audio_tstamp_accuracy, &src->audio_tstamp_accuracy))
+ return -EFAULT;
+
+ return err;
+}
+#endif /* CONFIG_X86_X32 */
+
/* both for HW_PARAMS and HW_REFINE */
static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream,
int refine,
@@ -469,6 +542,93 @@ static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream,
return 0;
}
+#ifdef CONFIG_X86_X32
+/* X32 ABI has 64bit timespec and 64bit alignment */
+struct snd_pcm_mmap_status_x32 {
+ s32 state;
+ s32 pad1;
+ u32 hw_ptr;
+ u32 pad2; /* alignment */
+ struct timespec tstamp;
+ s32 suspended_state;
+ struct timespec audio_tstamp;
+} __packed;
+
+struct snd_pcm_mmap_control_x32 {
+ u32 appl_ptr;
+ u32 avail_min;
+};
+
+struct snd_pcm_sync_ptr_x32 {
+ u32 flags;
+ u32 rsvd; /* alignment */
+ union {
+ struct snd_pcm_mmap_status_x32 status;
+ unsigned char reserved[64];
+ } s;
+ union {
+ struct snd_pcm_mmap_control_x32 control;
+ unsigned char reserved[64];
+ } c;
+} __packed;
+
+static int snd_pcm_ioctl_sync_ptr_x32(struct snd_pcm_substream *substream,
+ struct snd_pcm_sync_ptr_x32 __user *src)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ volatile struct snd_pcm_mmap_status *status;
+ volatile struct snd_pcm_mmap_control *control;
+ u32 sflags;
+ struct snd_pcm_mmap_control scontrol;
+ struct snd_pcm_mmap_status sstatus;
+ snd_pcm_uframes_t boundary;
+ int err;
+
+ if (snd_BUG_ON(!runtime))
+ return -EINVAL;
+
+ if (get_user(sflags, &src->flags) ||
+ get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) ||
+ get_user(scontrol.avail_min, &src->c.control.avail_min))
+ return -EFAULT;
+ if (sflags & SNDRV_PCM_SYNC_PTR_HWSYNC) {
+ err = snd_pcm_hwsync(substream);
+ if (err < 0)
+ return err;
+ }
+ status = runtime->status;
+ control = runtime->control;
+ boundary = recalculate_boundary(runtime);
+ if (!boundary)
+ boundary = 0x7fffffff;
+ snd_pcm_stream_lock_irq(substream);
+ /* FIXME: we should consider the boundary for the sync from app */
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
+ control->appl_ptr = scontrol.appl_ptr;
+ else
+ scontrol.appl_ptr = control->appl_ptr % boundary;
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
+ control->avail_min = scontrol.avail_min;
+ else
+ scontrol.avail_min = control->avail_min;
+ sstatus.state = status->state;
+ sstatus.hw_ptr = status->hw_ptr % boundary;
+ sstatus.tstamp = status->tstamp;
+ sstatus.suspended_state = status->suspended_state;
+ sstatus.audio_tstamp = status->audio_tstamp;
+ snd_pcm_stream_unlock_irq(substream);
+ if (put_user(sstatus.state, &src->s.status.state) ||
+ put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) ||
+ put_timespec(&sstatus.tstamp, &src->s.status.tstamp) ||
+ put_user(sstatus.suspended_state, &src->s.status.suspended_state) ||
+ put_timespec(&sstatus.audio_tstamp, &src->s.status.audio_tstamp) ||
+ put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) ||
+ put_user(scontrol.avail_min, &src->c.control.avail_min))
+ return -EFAULT;
+
+ return 0;
+}
+#endif /* CONFIG_X86_X32 */
/*
*/
@@ -487,7 +647,12 @@ enum {
SNDRV_PCM_IOCTL_WRITEN_FRAMES32 = _IOW('A', 0x52, struct snd_xfern32),
SNDRV_PCM_IOCTL_READN_FRAMES32 = _IOR('A', 0x53, struct snd_xfern32),
SNDRV_PCM_IOCTL_SYNC_PTR32 = _IOWR('A', 0x23, struct snd_pcm_sync_ptr32),
-
+#ifdef CONFIG_X86_X32
+ SNDRV_PCM_IOCTL_CHANNEL_INFO_X32 = _IOR('A', 0x32, struct snd_pcm_channel_info),
+ SNDRV_PCM_IOCTL_STATUS_X32 = _IOR('A', 0x20, struct snd_pcm_status_x32),
+ SNDRV_PCM_IOCTL_STATUS_EXT_X32 = _IOWR('A', 0x24, struct snd_pcm_status_x32),
+ SNDRV_PCM_IOCTL_SYNC_PTR_X32 = _IOWR('A', 0x23, struct snd_pcm_sync_ptr_x32),
+#endif /* CONFIG_X86_X32 */
};
static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
@@ -559,6 +724,16 @@ static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned l
return snd_pcm_ioctl_rewind_compat(substream, argp);
case SNDRV_PCM_IOCTL_FORWARD32:
return snd_pcm_ioctl_forward_compat(substream, argp);
+#ifdef CONFIG_X86_X32
+ case SNDRV_PCM_IOCTL_STATUS_X32:
+ return snd_pcm_status_user_x32(substream, argp, false);
+ case SNDRV_PCM_IOCTL_STATUS_EXT_X32:
+ return snd_pcm_status_user_x32(substream, argp, true);
+ case SNDRV_PCM_IOCTL_SYNC_PTR_X32:
+ return snd_pcm_ioctl_sync_ptr_x32(substream, argp);
+ case SNDRV_PCM_IOCTL_CHANNEL_INFO_X32:
+ return snd_pcm_ioctl_channel_info_x32(substream, argp);
+#endif /* CONFIG_X86_X32 */
}
return -ENOIOCTLCMD;
diff --git a/sound/core/rawmidi_compat.c b/sound/core/rawmidi_compat.c
index 5268c1f58c25..f69764d7cdd7 100644
--- a/sound/core/rawmidi_compat.c
+++ b/sound/core/rawmidi_compat.c
@@ -85,8 +85,7 @@ static int snd_rawmidi_ioctl_status_compat(struct snd_rawmidi_file *rfile,
if (err < 0)
return err;
- if (put_user(status.tstamp.tv_sec, &src->tstamp.tv_sec) ||
- put_user(status.tstamp.tv_nsec, &src->tstamp.tv_nsec) ||
+ if (compat_put_timespec(&status.tstamp, &src->tstamp) ||
put_user(status.avail, &src->avail) ||
put_user(status.xruns, &src->xruns))
return -EFAULT;
@@ -94,9 +93,58 @@ static int snd_rawmidi_ioctl_status_compat(struct snd_rawmidi_file *rfile,
return 0;
}
+#ifdef CONFIG_X86_X32
+/* X32 ABI has 64bit timespec and 64bit alignment */
+struct snd_rawmidi_status_x32 {
+ s32 stream;
+ u32 rsvd; /* alignment */
+ struct timespec tstamp;
+ u32 avail;
+ u32 xruns;
+ unsigned char reserved[16];
+} __attribute__((packed));
+
+#define put_timespec(src, dst) copy_to_user(dst, src, sizeof(*dst))
+
+static int snd_rawmidi_ioctl_status_x32(struct snd_rawmidi_file *rfile,
+ struct snd_rawmidi_status_x32 __user *src)
+{
+ int err;
+ struct snd_rawmidi_status status;
+
+ if (rfile->output == NULL)
+ return -EINVAL;
+ if (get_user(status.stream, &src->stream))
+ return -EFAULT;
+
+ switch (status.stream) {
+ case SNDRV_RAWMIDI_STREAM_OUTPUT:
+ err = snd_rawmidi_output_status(rfile->output, &status);
+ break;
+ case SNDRV_RAWMIDI_STREAM_INPUT:
+ err = snd_rawmidi_input_status(rfile->input, &status);
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (err < 0)
+ return err;
+
+ if (put_timespec(&status.tstamp, &src->tstamp) ||
+ put_user(status.avail, &src->avail) ||
+ put_user(status.xruns, &src->xruns))
+ return -EFAULT;
+
+ return 0;
+}
+#endif /* CONFIG_X86_X32 */
+
enum {
SNDRV_RAWMIDI_IOCTL_PARAMS32 = _IOWR('W', 0x10, struct snd_rawmidi_params32),
SNDRV_RAWMIDI_IOCTL_STATUS32 = _IOWR('W', 0x20, struct snd_rawmidi_status32),
+#ifdef CONFIG_X86_X32
+ SNDRV_RAWMIDI_IOCTL_STATUS_X32 = _IOWR('W', 0x20, struct snd_rawmidi_status_x32),
+#endif /* CONFIG_X86_X32 */
};
static long snd_rawmidi_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
@@ -115,6 +163,10 @@ static long snd_rawmidi_ioctl_compat(struct file *file, unsigned int cmd, unsign
return snd_rawmidi_ioctl_params_compat(rfile, argp);
case SNDRV_RAWMIDI_IOCTL_STATUS32:
return snd_rawmidi_ioctl_status_compat(rfile, argp);
+#ifdef CONFIG_X86_X32
+ case SNDRV_RAWMIDI_IOCTL_STATUS_X32:
+ return snd_rawmidi_ioctl_status_x32(rfile, argp);
+#endif /* CONFIG_X86_X32 */
}
return -ENOIOCTLCMD;
}
diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
index 8db156b207f1..8cdf489df80e 100644
--- a/sound/core/seq/oss/seq_oss.c
+++ b/sound/core/seq/oss/seq_oss.c
@@ -149,8 +149,6 @@ odev_release(struct inode *inode, struct file *file)
if ((dp = file->private_data) == NULL)
return 0;
- snd_seq_oss_drain_write(dp);
-
mutex_lock(&register_mutex);
snd_seq_oss_release(dp);
mutex_unlock(&register_mutex);
diff --git a/sound/core/seq/oss/seq_oss_device.h b/sound/core/seq/oss/seq_oss_device.h
index b43924325249..d7b4d016b547 100644
--- a/sound/core/seq/oss/seq_oss_device.h
+++ b/sound/core/seq/oss/seq_oss_device.h
@@ -127,7 +127,6 @@ int snd_seq_oss_write(struct seq_oss_devinfo *dp, const char __user *buf, int co
unsigned int snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait);
void snd_seq_oss_reset(struct seq_oss_devinfo *dp);
-void snd_seq_oss_drain_write(struct seq_oss_devinfo *dp);
/* */
void snd_seq_oss_process_queue(struct seq_oss_devinfo *dp, abstime_t time);
diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c
index 6779e82b46dd..92c96a95a903 100644
--- a/sound/core/seq/oss/seq_oss_init.c
+++ b/sound/core/seq/oss/seq_oss_init.c
@@ -436,22 +436,6 @@ snd_seq_oss_release(struct seq_oss_devinfo *dp)
/*
- * Wait until the queue is empty (if we don't have nonblock)
- */
-void
-snd_seq_oss_drain_write(struct seq_oss_devinfo *dp)
-{
- if (! dp->timer->running)
- return;
- if (is_write_mode(dp->file_mode) && !is_nonblock_mode(dp->file_mode) &&
- dp->writeq) {
- while (snd_seq_oss_writeq_sync(dp->writeq))
- ;
- }
-}
-
-
-/*
* reset sequencer devices
*/
void
diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index e05802ae6e1b..2e908225d754 100644
--- a/sound/core/timer_compat.c
+++ b/sound/core/timer_compat.c
@@ -70,13 +70,14 @@ static int snd_timer_user_status_compat(struct file *file,
struct snd_timer_status32 __user *_status)
{
struct snd_timer_user *tu;
- struct snd_timer_status status;
+ struct snd_timer_status32 status;
tu = file->private_data;
if (snd_BUG_ON(!tu->timeri))
return -ENXIO;
memset(&status, 0, sizeof(status));
- status.tstamp = tu->tstamp;
+ status.tstamp.tv_sec = tu->tstamp.tv_sec;
+ status.tstamp.tv_nsec = tu->tstamp.tv_nsec;
status.resolution = snd_timer_resolution(tu->timeri);
status.lost = tu->timeri->lost;
status.overrun = tu->overrun;
@@ -88,12 +89,21 @@ static int snd_timer_user_status_compat(struct file *file,
return 0;
}
+#ifdef CONFIG_X86_X32
+/* X32 ABI has the same struct as x86-64 */
+#define snd_timer_user_status_x32(file, s) \
+ snd_timer_user_status(file, s)
+#endif /* CONFIG_X86_X32 */
+
/*
*/
enum {
SNDRV_TIMER_IOCTL_INFO32 = _IOR('T', 0x11, struct snd_timer_info32),
SNDRV_TIMER_IOCTL_STATUS32 = _IOW('T', 0x14, struct snd_timer_status32),
+#ifdef CONFIG_X86_X32
+ SNDRV_TIMER_IOCTL_STATUS_X32 = _IOW('T', 0x14, struct snd_timer_status),
+#endif /* CONFIG_X86_X32 */
};
static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
@@ -122,6 +132,10 @@ static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, uns
return snd_timer_user_info_compat(file, argp);
case SNDRV_TIMER_IOCTL_STATUS32:
return snd_timer_user_status_compat(file, argp);
+#ifdef CONFIG_X86_X32
+ case SNDRV_TIMER_IOCTL_STATUS_X32:
+ return snd_timer_user_status_x32(file, argp);
+#endif /* CONFIG_X86_X32 */
}
return -ENOIOCTLCMD;
}
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 8ee78dbd4c60..bcbc4ee10130 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2477,13 +2477,6 @@ static int patch_generic_hdmi(struct hda_codec *codec)
is_broxton(codec))
codec->core.link_power_control = 1;
- if (codec_has_acomp(codec)) {
- codec->depop_delay = 0;
- spec->i915_audio_ops.audio_ptr = codec;
- spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
- snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
- }
-
if (hdmi_parse_codec(codec) < 0) {
if (spec->i915_bound)
snd_hdac_i915_exit(&codec->bus->core);
@@ -2505,6 +2498,18 @@ static int patch_generic_hdmi(struct hda_codec *codec)
init_channel_allocations();
+ if (codec_has_acomp(codec)) {
+ codec->depop_delay = 0;
+ spec->i915_audio_ops.audio_ptr = codec;
+ /* intel_audio_codec_enable() or intel_audio_codec_disable()
+ * will call pin_eld_notify with using audio_ptr pointer
+ * We need make sure audio_ptr is really setup
+ */
+ wmb();
+ spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
+ snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
+ }
+
return 0;
}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 1f357cd72d9c..93d2156b6241 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5412,6 +5412,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x080d, "Acer Aspire V5-122P", ALC269_FIXUP_ASPIRE_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK),
SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK),
+ SND_PCI_QUIRK(0x1025, 0x0762, "Acer Aspire E1-472", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572),
SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572),
SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS),
SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", ALC283_FIXUP_CHROME_BOOK),
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index 2875b4f6d8c9..7c8941b8b2de 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -2879,7 +2879,7 @@ static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl
{
struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
- ucontrol->value.enumerated.item[0] = hdsp_dds_offset(hdsp);
+ ucontrol->value.integer.value[0] = hdsp_dds_offset(hdsp);
return 0;
}
@@ -2891,7 +2891,7 @@ static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl
if (!snd_hdsp_use_is_exclusive(hdsp))
return -EBUSY;
- val = ucontrol->value.enumerated.item[0];
+ val = ucontrol->value.integer.value[0];
spin_lock_irq(&hdsp->lock);
if (val != hdsp_dds_offset(hdsp))
change = (hdsp_set_dds_offset(hdsp, val) == 0) ? 1 : 0;
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 8bc8016c173d..a4a999a0317e 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -1601,6 +1601,9 @@ static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
{
u64 n;
+ if (snd_BUG_ON(rate <= 0))
+ return;
+
if (rate >= 112000)
rate /= 4;
else if (rate >= 56000)
@@ -2215,6 +2218,8 @@ static int hdspm_get_system_sample_rate(struct hdspm *hdspm)
} else {
/* slave mode, return external sample rate */
rate = hdspm_external_sample_rate(hdspm);
+ if (!rate)
+ rate = hdspm->system_sample_rate;
}
}
@@ -2260,8 +2265,11 @@ static int snd_hdspm_put_system_sample_rate(struct snd_kcontrol *kcontrol,
ucontrol)
{
struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
+ int rate = ucontrol->value.integer.value[0];
- hdspm_set_dds_value(hdspm, ucontrol->value.enumerated.item[0]);
+ if (rate < 27000 || rate > 207000)
+ return -EINVAL;
+ hdspm_set_dds_value(hdspm, ucontrol->value.integer.value[0]);
return 0;
}
@@ -4449,7 +4457,7 @@ static int snd_hdspm_get_tco_word_term(struct snd_kcontrol *kcontrol,
{
struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
- ucontrol->value.enumerated.item[0] = hdspm->tco->term;
+ ucontrol->value.integer.value[0] = hdspm->tco->term;
return 0;
}
@@ -4460,8 +4468,8 @@ static int snd_hdspm_put_tco_word_term(struct snd_kcontrol *kcontrol,
{
struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
- if (hdspm->tco->term != ucontrol->value.enumerated.item[0]) {
- hdspm->tco->term = ucontrol->value.enumerated.item[0];
+ if (hdspm->tco->term != ucontrol->value.integer.value[0]) {
+ hdspm->tco->term = ucontrol->value.integer.value[0];
hdspm_tco_write(hdspm);
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 4f6ce1cac8e2..c458d60d5030 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1124,6 +1124,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
+ case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */