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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-06-08 19:27:13 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-06-08 19:27:13 +0100 |
| commit | 7698fdedcfa3cab3dd40c9b685590b23be02e267 (patch) | |
| tree | 207ddae0f963174356b1a9de7fff8e48a9c1e9c1 /arch/arm/lib/bitops.h | |
| parent | 2d8d24935d372175786ebefa8a2de8680831b67f (diff) | |
| parent | ae5c8c83735f5fcb09b380944e4854a383006998 (diff) | |
| download | kernel-crypto-7698fdedcfa3cab3dd40c9b685590b23be02e267.tar.gz kernel-crypto-7698fdedcfa3cab3dd40c9b685590b23be02e267.tar.xz kernel-crypto-7698fdedcfa3cab3dd40c9b685590b23be02e267.zip | |
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel
Diffstat (limited to 'arch/arm/lib/bitops.h')
| -rw-r--r-- | arch/arm/lib/bitops.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index 2e787d40d59..c7f2627385e 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h @@ -18,12 +18,14 @@ mov r2, #1 add r1, r1, r0, lsr #3 @ Get byte offset mov r3, r2, lsl r3 @ create mask + smp_dmb 1: ldrexb r2, [r1] ands r0, r2, r3 @ save old value of bit \instr r2, r2, r3 @ toggle bit strexb ip, r2, [r1] cmp ip, #0 bne 1b + smp_dmb cmp r0, #0 movne r0, #1 2: mov pc, lr |