diff options
| author | Dave Martin <dave.martin@linaro.org> | 2010-12-01 20:12:43 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-04 14:01:12 +0300 |
| commit | 55afd264cdd5d5848753e90884ed596e11bce0ff (patch) | |
| tree | b1c55d9f8b51b5f93bd89ea2e523da7230a47fd6 | |
| parent | ed7c84d54837b182c5f56f821ef213c8ca817a91 (diff) | |
| download | linux-55afd264cdd5d5848753e90884ed596e11bce0ff.tar.xz | |
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>
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index c09e3573c5de..bb96a7d4bbf5 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 |