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authorIngo Molnar <[email protected]>2015-04-26 12:07:18 +0200
committerIngo Molnar <[email protected]>2015-05-19 15:47:48 +0200
commitd63e79b114c0208bc2b7712c879568e180909d60 (patch)
treec680913d78d7c55d29c5e955f15055d8c25cacb5 /tools/perf/scripts/python
parente229537543fba3de4026cb6e12b75946d9f3430f (diff)
x86/fpu: Uninline kernel_fpu_begin()/end()
Both inline functions call an inline function unconditionally, so we already pay the function call based clobbering cost. Uninline them. This saves quite a bit of code in various performance sensitive code paths: text data bss dec hex filename 13321334 2569888 1634304 17525526 10b6b16 vmlinux.before 13320246 2569888 1634304 17524438 10b66d6 vmlinux.after Reviewed-by: Borislav Petkov <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
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