From: venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>
Date: Thu, 9 Apr 2009 21:26:48 +0000 (-0700)
Subject: x86, PAT: Change order of cpa and free in set_memory_wb
X-Git-Tag: v2.6.30-rc3~65^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5593e0b329a14dea41ea173380dbf1533de2bd2;p=pandora-kernel.git

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

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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