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[2/6] powerpc/mm: Avoid double irq save/restore in activate_mm

Message ID 20170724042803.25848-2-benh@kernel.crashing.org (mailing list archive)
State Accepted
Commit 058ccc3465d9b8fb34d59ca099a8a7ace1a62cdd
Headers show

Commit Message

Benjamin Herrenschmidt July 24, 2017, 4:27 a.m. UTC
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(-)
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Patch

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 */