x86, PAT: Change order of cpa and free in set_memory_wb

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To be free of aliasing due to races, set_memory_* interfaces should
follow ordering of reserving, changing memtype to UC/WC, changing
memtype back to WB followed by free.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <20090409212708.512280000@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

...

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venkatesh.pallipadi@intel.com 2009-04-09 14:26:48 -07:00 • committed by Ingo Molnar

parent 43a432b155

commit a5593e0b32

1 changed files with 7 additions and 4 deletions

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arch/x86/mm/pageattr.c

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