[PATCH v2 20/31] arm64: User access library function
From: Russell King - ARM Linux <hidden>
Date: 2012-09-05 19:13:30
Also in:
linux-arch, lkml
From: Russell King - ARM Linux <hidden>
Date: 2012-09-05 19:13:30
Also in:
linux-arch, lkml
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.