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| author | Andy Lutomirski <luto@kernel.org> | 2016-01-24 14:38:09 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-09 15:42:56 +0100 |
| commit | c6ab109f7e0eae3bae3bb10f8ddb0df67735c150 (patch) | |
| tree | 3afec625df2ba21a6bd7913ada3c6599d13f463d /mm/process_vm_access.c | |
| parent | a20d7297045f7fdcd676c15243192eb0e95a4306 (diff) | |
| download | linux-c6ab109f7e0eae3bae3bb10f8ddb0df67735c150.tar.bz2 | |
x86/fpu: Speed up lazy FPU restores slightly
If we have an FPU, there's no need to check CR0 for FPU emulation.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: yu-cheng yu <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/980004297e233c27066d54e71382c44cdd36ef7c.1453675014.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/process_vm_access.c')
0 files changed, 0 insertions, 0 deletions