Messages in this thread | | | Date | Mon, 31 Mar 2008 10:22:40 -0700 | From | Stephen Hemminger <> | Subject | Re: [PATCH] x86: generic versions of find_first_(zero_)bit, convert i386 |
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On Mon, 31 Mar 2008 19:15:06 +0200 Alexander van Heukelum <heukelum@mailshack.com> wrote:
> Generic versions of __find_first_bit and __find_first_zero_bit > are introduced as simplified versions of __find_next_bit and > __find_next_zero_bit. Their compilation and use are guarded by > a new config variable GENERIC_FIND_FIRST_BIT. > > The generic versions of find_first_bit and find_first_zero_bit > are implemented in terms of the newly introduced __find_first_bit > and __find_first_zero_bit. > > This patch also converts i386 to the generic functions. The text > size shrinks slightly due to uninlining of the find_*_bit functions. > > text data bss dec hex filename > 4764939 480324 622592 5867855 59894f vmlinux (i386 defconfig before) > 4764645 480324 622592 5867561 598829 vmlinux (i386 defconfig after) > > Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> >
Size isn't everything, what is the performance difference?
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