summaryrefslogtreecommitdiff
path: root/arch/csky/abiv1
diff options
context:
space:
mode:
authorGuo Ren <ren_guo@c-sky.com>2018-12-30 21:47:28 +0800
committerGuo Ren <ren_guo@c-sky.com>2018-12-31 10:56:45 +0800
commit2b070ccdf8c020fb6c4911263852c021d8aa843c (patch)
treed4c06e8cb2eabaf8141eeb8fb1130d5651edd5bf /arch/csky/abiv1
parentd770b25653447b4c57303859e2ac04ebe9318f8e (diff)
downloadlinux-sh-2b070ccdf8c020fb6c4911263852c021d8aa843c.tar.gz
csky: fixup abiv2 mmap(... O_SYNC) failed.
Glibc function mmap(... O_SYNC) will make page to _PAGE_UNCACHE + _PAGE_SO and strong-order page couldn't support unalignment access. So remove _PAGE_SO from _PAGE_UNCACHE, also sync abiv1 with the macro of _PAGE_SO. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reported-by: Liu Renwei <Renwei.Liu@verisilicon.com> Tested-by: Yuan Qiyun <qiyun_yuan@c-sky.com>
Diffstat (limited to 'arch/csky/abiv1')
-rw-r--r--arch/csky/abiv1/inc/abi/pgtable-bits.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/csky/abiv1/inc/abi/pgtable-bits.h b/arch/csky/abiv1/inc/abi/pgtable-bits.h
index 455075b5db0d..d605445aad9a 100644
--- a/arch/csky/abiv1/inc/abi/pgtable-bits.h
+++ b/arch/csky/abiv1/inc/abi/pgtable-bits.h
@@ -26,6 +26,7 @@
#define _PAGE_CACHE (3<<9)
#define _PAGE_UNCACHE (2<<9)
+#define _PAGE_SO _PAGE_UNCACHE
#define _CACHE_MASK (7<<9)