[PATCH v2 20/31] arm64: User access library function

Russell King - ARM Linux linux at arm.linux.org.uk
Wed Sep 5 15:13:12 EDT 2012

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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