diff options
| 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/abiv1/inc | |
| parent | a231b8839cd4259de1d37a78165739a4d5d08e72 (diff) | |
| download | linux-stable-22d55f02b8922a097cd4be1e2f131dfa7ef65901.tar.gz linux-stable-22d55f02b8922a097cd4be1e2f131dfa7ef65901.tar.bz2 linux-stable-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/abiv1/inc')
| -rw-r--r-- | arch/csky/abiv1/inc/abi/ckmmu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/csky/abiv1/inc/abi/ckmmu.h b/arch/csky/abiv1/inc/abi/ckmmu.h index 81f37715c0d2..ba8eb5870835 100644 --- a/arch/csky/abiv1/inc/abi/ckmmu.h +++ b/arch/csky/abiv1/inc/abi/ckmmu.h @@ -78,6 +78,12 @@ static inline void tlb_invalid_all(void) cpwcr("cpcr8", 0x04000000); } + +static inline void local_tlb_invalid_all(void) +{ + tlb_invalid_all(); +} + static inline void tlb_invalid_indexed(void) { cpwcr("cpcr8", 0x02000000); |