Re: [PATCH 1/3] x86/mm: only do a local TLB flush in ptep_set_access_flags()

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To: Rik van Riel <riel@xxxxxxxxxx>
Subject: Re: [PATCH 1/3] x86/mm: only do a local TLB flush in ptep_set_access_flags()
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 26 Oct 2012 11:49:42 -0700
Cc: Ingo Molnar <mingo@xxxxxxxxxx>, Andi Kleen <andi@xxxxxxxxxxxxxx>, Michel Lespinasse <walken@xxxxxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, Andrea Arcangeli <aarcange@xxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
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In-reply-to: <20121026144419.7e666023@dull>

On Fri, Oct 26, 2012 at 11:44 AM, Rik van Riel <riel@xxxxxxxxxx> wrote:
>
> The function ptep_set_access_flags() is only ever invoked to upgrade
> access permissions on a PTE

Same deal. Please don't call these "access permissions". That confuses
the issue.

           Linus

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Follow-Ups:
- Re: [PATCH 1/3] x86/mm: only do a local TLB flush in ptep_set_access_flags()
  - From: Rik van Riel

References:
- [PATCH 00/31] numa/core patches
  - From: Peter Zijlstra
- [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Peter Zijlstra
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Linus Torvalds
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Rik van Riel
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Linus Torvalds
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Rik van Riel
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Linus Torvalds
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Michel Lespinasse
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Andi Kleen
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Rik van Riel
- Re: [PATCH 05/31] x86/mm: Reduce tlb flushes from ptep_set_access_flags()
  - From: Ingo Molnar
- [PATCH 1/3] x86/mm: only do a local TLB flush in ptep_set_access_flags()
  - From: Rik van Riel

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