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git.openfabrics.org - ~emulex/infiniband.git/commit
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>