From: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Date: Tue, 7 Oct 2008 20:33:12 +0000 (-0700)
Subject: x86: fix AMDC1E and XTOPOLOGY conflict in cpufeature
X-Git-Tag: v2.6.28-rc3~11^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2576c9991758e431b73e374f6019d6e1e12a8d36;p=pandora-kernel.git

x86: fix AMDC1E and XTOPOLOGY conflict in cpufeature

Impact: fix xsave slowdown regression

Fix two features from conflicting in feature bits.

Fixes this performance regression:

   Subject: cpu2000(both float and int) 13% regression with 2.6.28-rc1
   http://lkml.org/lkml/2008/10/28/36

Reported-by: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Bisected-by: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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