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powerpc/mm: Avoid double irq save/restore in activate_mm 

It calls switch_mm() which already does the irq save/restore
these days.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2017-07-24 14:27:59 +10:00 committed by Michael Ellerman
parent 43ed84a891
commit 058ccc3465
1 changed files with 0 additions and 4 deletions
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4
arch/powerpc/include/asm/mmu_context.h
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@ -176,11 +176,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
*/
static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
{
unsigned long flags;
local_irq_save(flags);
switch_mm(prev, next, current);
local_irq_restore(flags);
}
/* We don't currently use enter_lazy_tlb() for anything */