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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-02-14 00:11:04 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-03-11 12:45:18 +0100 |
| commit | 5a920155e388ec22a22e0532fb695b9215c9b34d (patch) | |
| tree | e92bef00945f4180419a0ea81bc667bb3f542054 /arch/um/include/shared/os.h | |
| parent | b9894a2f5bd18b1691cb6872c9afe32b148d0132 (diff) | |
| download | linux-5a920155e388ec22a22e0532fb695b9215c9b34d.tar.gz linux-5a920155e388ec22a22e0532fb695b9215c9b34d.tar.bz2 linux-5a920155e388ec22a22e0532fb695b9215c9b34d.zip | |
x86/process: Optimize TIF_NOTSC switch
Provide and use a toggle helper instead of doing it with a branch.
x86_64: arch/x86/kernel/process.o
text data bss dec hex
3008 8577 16 11601 2d51 Before
2976 8577 16 11569 2d31 After
i386: arch/x86/kernel/process.o
text data bss dec hex
2925 8673 8 11606 2d56 Before
2893 8673 8 11574 2d36 After
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Link: http://lkml.kernel.org/r/20170214081104.9244-4-khuey@kylehuey.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/um/include/shared/os.h')
0 files changed, 0 insertions, 0 deletions