[PATCH 2/6] powerpc/mm: Avoid double irq save/restore in activate_mm
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2017-07-24 04:28:45
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
It calls switch_mm() which already does the irq save/restore these days. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- 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 603b0e5cdec0..ed9a36ee3107 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h@@ -158,11 +158,7 @@ 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 */
--
2.13.3