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authorSuresh Siddha <suresh.b.siddha@intel.com>2012-09-07 02:05:18 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2012-09-19 02:52:23 +0400
commit212b02125f3725127148475059a70031bd031bdb (patch)
tree9505ae1f2d35ee9c803c0d3e64451b41db9ccb8b /Documentation/kernel-parameters.txt
parent5d2bd7009f306c82afddd1ca4d9763ad8473c216 (diff)
downloadlinux-212b02125f3725127148475059a70031bd031bdb.tar.xz
x86, fpu: enable eagerfpu by default for xsaveopt
xsaveopt/xrstor support optimized state save/restore by tracking the INIT state and MODIFIED state during context-switch. Enable eagerfpu by default for processors supporting xsaveopt. Can be disabled by passing "eagerfpu=off" boot parameter. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Link: http://lkml.kernel.org/r/1347300665-6209-3-git-send-email-suresh.b.siddha@intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 741d064fdc6a..e8f7faaa4571 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1834,7 +1834,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
enabling legacy floating-point and sse state.
eagerfpu= [X86]
- on enable eager fpu restore
+ on enable eager fpu restore (default for xsaveopt)
off disable eager fpu restore
nohlt [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or