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| author | Guo Ren <ren_guo@c-sky.com> | 2019-06-18 20:33:32 +0800 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2019-07-19 14:21:36 +0800 |
| commit | 22d55f02b8922a097cd4be1e2f131dfa7ef65901 (patch) | |
| tree | e8e0c0f8c5071343902090aa225fb92bd5747536 /arch/csky/include/asm/mmu.h | |
| parent | a231b8839cd4259de1d37a78165739a4d5d08e72 (diff) | |
| download | linux-22d55f02b8922a097cd4be1e2f131dfa7ef65901.tar.gz linux-22d55f02b8922a097cd4be1e2f131dfa7ef65901.tar.bz2 linux-22d55f02b8922a097cd4be1e2f131dfa7ef65901.zip | |
csky: Use generic asid algorithm to implement switch_mm
Use linux generic asid/vmid algorithm to implement csky
switch_mm function. The algorithm is from arm and it could
work with SMP system. It'll help reduce tlb flush for
switch_mm in task/vm switch.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/include/asm/mmu.h')
| -rw-r--r-- | arch/csky/include/asm/mmu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/csky/include/asm/mmu.h b/arch/csky/include/asm/mmu.h index 06f509ae09b0..b382a14ea4ec 100644 --- a/arch/csky/include/asm/mmu.h +++ b/arch/csky/include/asm/mmu.h @@ -5,6 +5,7 @@ #define __ASM_CSKY_MMU_H typedef struct { + atomic64_t asid; void *vdso; } mm_context_t; |