diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-04-03 11:33:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:47:10 +0200 |
| commit | 1a7dc0db7181ebc8b9ec17e5a15ad4c766c7d3d4 (patch) | |
| tree | 8794a0c9e697d7e511b449c67040ff7b75ff4acd /arch/x86/kernel/i387.c | |
| parent | x86/fpu: Add debugging check to fpu__save() (diff) | |
| download | linux-1a7dc0db7181ebc8b9ec17e5a15ad4c766c7d3d4.tar.xz linux-1a7dc0db7181ebc8b9ec17e5a15ad4c766c7d3d4.zip | |
x86/fpu: Rename fpu_detect() to fpu__detect()
Use the fpu__*() namespace to organize FPU ops better.
Also document fpu__detect() a bit.
Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
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: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/i387.c')
| -rw-r--r-- | arch/x86/kernel/i387.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index 66f1053ae2cd..29251f5668b1 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -640,7 +640,11 @@ static int __init no_387(char *s) __setup("no387", no_387); -void fpu_detect(struct cpuinfo_x86 *c) +/* + * Set the X86_FEATURE_FPU CPU-capability bit based on + * trying to execute an actual sequence of FPU instructions: + */ +void fpu__detect(struct cpuinfo_x86 *c) { unsigned long cr0; u16 fsw, fcw; |