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authorGuo Ren <guoren@linux.alibaba.com>2020-01-31 20:33:10 +0800
committerGuo Ren <guoren@linux.alibaba.com>2020-02-21 15:43:24 +0800
commit997153b9a75c08d545ad45e6f8ceb432435d2425 (patch)
tree830915f73d05e7d094d2f293a712e05c0da1e6f5 /arch/csky/include/asm/mmu.h
parentcc1f6563a92ced0889775d0587316d725b6e1a68 (diff)
downloadlinux-sh-997153b9a75c08d545ad45e6f8ceb432435d2425.tar.gz
csky: Add flush_icache_mm to defer flush icache all
Some CPUs don't support icache.va instruction to maintain the whole smp cores' icache. Using icache.all + IPI casue a lot on performace and using defer mechanism could reduce the number of calling icache _flush_all functions. Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Diffstat (limited to 'arch/csky/include/asm/mmu.h')
-rw-r--r--arch/csky/include/asm/mmu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/csky/include/asm/mmu.h b/arch/csky/include/asm/mmu.h
index b382a14ea4ec..26fbb1d15df0 100644
--- a/arch/csky/include/asm/mmu.h
+++ b/arch/csky/include/asm/mmu.h
@@ -7,6 +7,7 @@
typedef struct {
atomic64_t asid;
void *vdso;
+ cpumask_t icache_stale_mask;
} mm_context_t;
#endif /* __ASM_CSKY_MMU_H */