diff options
| author | Kirill Tkhai <tkhai@yandex.ru> | 2013-04-08 22:29:46 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-09 04:50:47 +0200 |
| commit | 07df841877195765d958df146f614fc7bdedd5e3 (patch) | |
| tree | 9c749251ab90cd88b42f98c42e652f9b75b425b9 /arch/sparc/include/asm/mmu_context_64.h | |
| parent | sparc: Consistently use 'wr' and 'rd' instructions for ASRs. (diff) | |
| download | linux-07df841877195765d958df146f614fc7bdedd5e3.tar.xz linux-07df841877195765d958df146f614fc7bdedd5e3.zip | |
sparc64: Do not save/restore interrupts in get_new_mmu_context()
get_new_mmu_context() is always called with interrupts disabled.
So it's possible to do this micro optimization.
(Also fix the comment to switch_mm, which is called in both cases)
Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/mmu_context_64.h')
| -rw-r--r-- | arch/sparc/include/asm/mmu_context_64.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 9191ca62ed9c..3d528f06e4b0 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -68,7 +68,7 @@ extern void smp_tsb_sync(struct mm_struct *mm); extern void __flush_tlb_mm(unsigned long, unsigned long); -/* Switch the current MM context. Interrupts are disabled. */ +/* Switch the current MM context. */ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk) { unsigned long ctx_valid, flags; |