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authorDave Martin <dave.martin@linaro.org>2010-12-01 18:12:43 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-12-04 11:01:12 +0000
commit55afd264cdd5d5848753e90884ed596e11bce0ff (patch)
treeb1c55d9f8b51b5f93bd89ea2e523da7230a47fd6 /arch/arm/kernel/entry-armv.S
parented7c84d54837b182c5f56f821ef213c8ca817a91 (diff)
downloadlinux-55afd264cdd5d5848753e90884ed596e11bce0ff.tar.gz
ARM: 6519/1: kuser: Fix incorrect cmpxchg syscall in kuser helpers
The existing code invokes the syscall with rubbish in r7, due to what looks like an incorrect literal load idiom. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
-rw-r--r--arch/arm/kernel/entry-armv.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index c09e3573c5d..bb96a7d4bbf 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -911,7 +911,7 @@ __kuser_cmpxchg: @ 0xffff0fc0
* A special ghost syscall is used for that (see traps.c).
*/
stmfd sp!, {r7, lr}
- ldr r7, =1f @ it's 20 bits
+ ldr r7, 1f @ it's 20 bits
swi __ARM_NR_cmpxchg
ldmfd sp!, {r7, pc}
1: .word __ARM_NR_cmpxchg