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Enable WC+ memory type on AMD family 10h processors

Boris Ostrovsky lkml 3 versions – In review

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  1. v2 Latest posting 2/22 patches 2 repliesIn review
  2. v2 posting 1/21 patch 0 repliesSuperseded
  3. v11 patch 3 repliesSuperseded

Patches in v2 posting 2/2 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2AMD,x86: Clean up init_amd()arch/x86/kernel/cpu/amd.c+12 -171 reply
2/2x86,AMD: Enable WC+ memory type on family 10 processorsarch/x86/include/uapi/asm/msr-index.h arch/x86/kernel/cpu/amd.c+15 -51 reply

Reviews trailers per patch

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

PatchBorislav Petkov
1/2A-b
2/2A-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v2 thread

Cover letter [PATCH v2 0/2] Enable WC+ memory type on AMD family 10h processors

Resending since previous message went with incorrect From header. Also fixing redundant check in the second patch.

Enable WC+ memory type on AMD family 10h processors if BIOS doesn't do this. WC+ is used only in in virtualized scenarios and never in bare metal cases (see AMD APM v2).

Also clean up init_amd() a little.

Boris Ostrovsky (2):
AMD,x86: Clean up init_amd()
x86,AMD: Enable WC+ memory type on family 10 processors

 arch/x86/include/uapi/asm/msr-index.h |    1 +
 arch/x86/kernel/cpu/amd.c             |   49 ++++++++++++++++++---------------
 2 files changed, 28 insertions(+), 22 deletions(-)

Read the cover letter in its thread