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| author | H. Peter Anvin <hpa@zytor.com> | 2009-06-01 15:13:02 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-06-01 15:25:31 -0700 |
| commit | 48b1fddbb100a64f3983ca9768b8ea629a09aa20 (patch) | |
| tree | 7cf552c623cb0aa0dd945df55b7eaf5a0697e277 /arch/arm/lib/bitops.h | |
| parent | 38736072d45488fd45f076388b6570419bbbc682 (diff) | |
| parent | ee4c24a5c9b530481394132c8dbc10572d57c075 (diff) | |
Merge branch 'irq/numa' into x86/mce3
Merge reason: arch/x86/kernel/irqinit_{32,64}.c unified in irq/numa
and modified in x86/mce3; this merge resolves the conflict.
Conflicts:
arch/x86/kernel/irqinit.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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 |