ARM: entry: prefetch/data abort helpers: avoid corrupting r4
authorRussell King <rmk+kernel@arm.linux.org.uk>
Sat, 25 Jun 2011 14:46:08 +0000 (15:46 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 29 Jun 2011 09:05:33 +0000 (10:05 +0100)
commit0402becef94c43bb2bb483653a5cee2fb5049764
tree259d36e5ff5b33e59660b27b2743d723df083543
parentac8b9c1ce094d43372d0259de08045ffee745a41
ARM: entry: prefetch/data abort helpers: avoid corrupting r4

Replace r4 with ip for calling abort helpers - ip is allowed to be
corrupted by called functions in the ABI, so it makes more sense to
use such a register.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/entry-armv.S