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| author | Ingo Molnar <mingo@elte.hu> | 2009-06-06 20:21:25 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-06 20:21:28 +0200 |
| commit | 75b5032212641f6d38ac041416945e70da833b68 (patch) | |
| tree | bb827401e00c1681a29e75ade3b4ecc903df1a54 /arch/arm/lib/bitops.h | |
| parent | 0b73da3f40128eab6ca2a07508f424029a1edaeb (diff) | |
| parent | b87297fb405ef13cac375f202d114323b076a56d (diff) | |
| download | kernel_replicant_linux-75b5032212641f6d38ac041416945e70da833b68.tar.gz kernel_replicant_linux-75b5032212641f6d38ac041416945e70da833b68.tar.bz2 kernel_replicant_linux-75b5032212641f6d38ac041416945e70da833b68.zip | |
Merge branch 'linus' into perfcounters/core
Merge reason: Pick up the latest fixes before the -v8 perfcounters
release.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 2e787d40d599..c7f2627385e7 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 |