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| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2012-09-06 15:05:18 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-09-18 15:52:23 -0700 |
| commit | 212b02125f3725127148475059a70031bd031bdb (patch) | |
| tree | 9505ae1f2d35ee9c803c0d3e64451b41db9ccb8b /Documentation | |
| parent | 5d2bd7009f306c82afddd1ca4d9763ad8473c216 (diff) | |
| download | linux-3.10-212b02125f3725127148475059a70031bd031bdb.tar.gz linux-3.10-212b02125f3725127148475059a70031bd031bdb.tar.bz2 linux-3.10-212b02125f3725127148475059a70031bd031bdb.zip | |
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')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 741d064fdc6..e8f7faaa457 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 |