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mm: Remove usages of ACCESS_ONCE()

Jason Low cgroups linux-mm lkml 2 versions – New

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Versions newest first · linked by author and title

  1. v2 Latest2 patches 0 repliesNew
  2. v11 patch 7 repliesSuperseded

Changes in v2 from the cover letter

As suggested by Michal, we can split up the v1 patch into 2 patches.

Patches in v2 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2mm: Use READ_ONCE() for non-scalar typesmm/gup.c+2 -20 replies
2/2mm: Remove rest of ACCESS_ONCE() usagesmm/huge_memory.c mm/internal.h mm/ksm.c +8 more+33 -330 replies

Reviews trailers per patch

All 2 patches have a Reviewed-by or Acked-by.

PatchMichal HockoDavidlohr BuesoRik van RielChristian Borntraeger
1/2A-b A-b A-b R-b
2/2A-b A-b A-b R-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes. Scroll the table sideways for all 4 reviewers.

Read the v2 thread

Cover letter [PATCH v2 0/2] mm: Remove usages of ACCESS_ONCE()

v1->v2:
As suggested by Michal, we can split up the v1 patch into 2 patches.

The first patch addresses potentially incorrect usages of ACCESS_ONCE().

The second patch is more of a "cleanup" patch to convert the rest of the ACCESS_ONCE() reads in mm/ to use the new READ_ONCE() API.

This makes it a bit easier to backport the fixes to older kernels.

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