diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-02-14 00:11:04 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-22 16:58:01 +0200 |
| commit | 5ed7788df973455378e987fe221bef0661fbe03a (patch) | |
| tree | 6ac05b0b03db9f36924cc905f422ab7945798b9e /fs/proc/array.c | |
| parent | 439f2ef884306976f22b42f709c1ccdf04278987 (diff) | |
x86/process: Optimize TIF_NOTSC switch
commit 5a920155e388ec22a22e0532fb695b9215c9b34d upstream
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>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/proc/array.c')
0 files changed, 0 insertions, 0 deletions