From 058ccc3465d9b8fb34d59ca099a8a7ace1a62cdd Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 24 Jul 2017 14:27:59 +1000 Subject: [PATCH] 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 Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/mmu_context.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 992123e..fb99c27 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -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 */ -- 2.7.4