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sparc64: Do not save/restore interrupts in get_new_mmu_context()

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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>
This commit is contained in:
Kirill Tkhai
2013-04-09 00:29:46 +04:00
committed by David S. Miller
parent 598ec971dd
commit 07df841877
2 changed files with 3 additions and 4 deletions
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2
arch/sparc/include/asm/mmu_context_64.h
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@@ -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;