Re: [PATCH v4 3/9] asm-generic/tlb: Avoid potential double flush

2020-01-16 Thread Andrew Morton
On Thu, 16 Jan 2020 12:19:59 +0530 "Aneesh Kumar K.V" wrote: > On 1/16/20 12:15 PM, Aneesh Kumar K.V wrote: > > From: Peter Zijlstra > > > > Aneesh reported that: > > > > tlb_flush_mmu() > > tlb_flush_mmu_tlbonly() > > tlb_flush() <-- #1 > > tlb_flush_m

Re: [PATCH v4 3/9] asm-generic/tlb: Avoid potential double flush

2020-01-15 Thread Aneesh Kumar K.V
On 1/16/20 12:15 PM, Aneesh Kumar K.V wrote: 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()

[PATCH v4 3/9] asm-generic/tlb: Avoid potential double flush

2020-01-15 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()