5d2bd7009f306c82afddd1ca4d9763ad8473c216 - kernel/msm-4.9

commit	5d2bd7009f306c82afddd1ca4d9763ad8473c216	[log] [tgz]
author	Suresh Siddha <suresh.b.siddha@intel.com>	Thu Sep 06 14:58:52 2012 -0700
committer	H. Peter Anvin <hpa@linux.intel.com>	Tue Sep 18 15:52:22 2012 -0700
tree	772bc888c48766b892e216c19e938c82657e2b0e
parent	304bceda6a18ae0b0240b8aac9a6bdf8ce2d2469 [diff]

x86, fpu: decouple non-lazy/eager fpu restore from xsave

Decouple non-lazy/eager fpu restore policy from the existence of the xsave
feature. Introduce a synthetic CPUID flag to represent the eagerfpu
policy. "eagerfpu=on" boot paramter will enable the policy.

Requested-by: H. Peter Anvin <hpa@zytor.com>
Requested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347300665-6209-2-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

Documentation/kernel-parameters.txt[diff]
arch/x86/include/asm/cpufeature.h[diff]
arch/x86/include/asm/fpu-internal.h[diff]
arch/x86/kernel/cpu/common.c[diff]
arch/x86/kernel/i387.c[diff]
arch/x86/kernel/process.c[diff]
arch/x86/kernel/traps.c[diff]
arch/x86/kernel/xsave.c[diff]

8 files changed

tree: 772bc888c48766b892e216c19e938c82657e2b0e