subject:"\[PATCH v2 3\/3\] asm\-generic\/tlb\: Avoid potential double flush"

Re: [PATCH v2 3/3] asm-generic/tlb: Avoid potential double flush

2019-12-18 Thread Peter Zijlstra

On Wed, Dec 18, 2019 at 11:05:30AM +0530, Aneesh Kumar K.V wrote: > --- a/include/asm-generic/tlb.h > +++ b/include/asm-generic/tlb.h > @@ -402,7 +402,12 @@ tlb_update_vma_flags(struct mmu_gather *tlb, struct > vm_area_struct *vma) { } > > static inline void tlb_flush_mmu_tlbonly(struct

[PATCH v2 3/3] asm-generic/tlb: Avoid potential double flush

2019-12-17 Thread Aneesh Kumar K.V

From: Peter Zijlstra Aneesh reported that: tlb_flush_mmu() tlb_flush_mmu_tlbonly() tlb_flush() <-- #1 tlb_flush_mmu_free() tlb_table_flush() tlb_table_invalidate() tlb_flush_mmu_tlbonly()