| Date | Wed, 5 Sep 2012 20:13:12 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH v2 20/31] arm64: User access library function |
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On Wed, Aug 15, 2012 at 02:49:54PM +0000, Arnd Bergmann wrote: > It's fairly unusual to have out of line get_user/put_user functions. > What is the reason for this, other than copying from ARM?
Actually, we never used to out of line on ARM, and then I experimented, and found there was a net benefit - not only in code size but also there appeared to be a performance benefit by out of lining them.
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