From: Jacob Pan Date: Fri, 7 May 2010 21:59:45 +0000 (-0700) Subject: x86: Avoid check hlt for newer cpus X-Git-Tag: v2.6.35-rc1~509^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b107d93635616db0c3f893c8cc2e6d5cd8d77b2;p=pandora-kernel.git x86: Avoid check hlt for newer cpus Check hlt instruction was targeted for some older CPUs. It is an expensive operation in that it takes 4 ticks to break out the check. We can avoid such check completely for newer x86 cpus (family >= 5). [ hpa: corrected family > 5 to family >= 5 ] Signed-off-by: Jacob Pan LKML-Reference: <1273269585-14346-1-git-send-email-jacob.jun.pan@linux.intel.com> Signed-off-by: H. Peter Anvin --- Reading git-diff-tree failed