diff options
| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2012-09-10 10:32:32 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-09-18 15:52:24 -0700 |
| commit | e00229819f306b1f86134095347e9187dc346bd1 (patch) | |
| tree | 58184b30fb2dca0f14c0b2cdc60b958529154893 /Documentation | |
| parent | 212b02125f3725127148475059a70031bd031bdb (diff) | |
x86, fpu: make eagerfpu= boot param tri-state
Add the "eagerfpu=auto" (that selects the default scheme in
enabling eagerfpu) which can override compiled-in boot parameters
like "eagerfpu=on/off" (that force enable/disable eagerfpu).
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347300665-6209-5-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 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e8f7faaa457..46a6a8288de 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1834,8 +1834,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. enabling legacy floating-point and sse state. eagerfpu= [X86] - on enable eager fpu restore (default for xsaveopt) + on enable eager fpu restore off disable eager fpu restore + auto selects the default scheme, which automatically + enables eagerfpu restore for xsaveopt. nohlt [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or wfi(ARM) instruction doesn't work correctly and not to |