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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-25 13:37:05 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-25 13:37:05 +0100 |
| commit | 8e5d0661b3948f3c5a143f32d192710375822af2 (patch) | |
| tree | ca18920d3f7219f7ffb7ca2fa372b82558938006 /arch/powerpc/kernel/dbell.c | |
| parent | 39a6ac11df6579df0361922f05c43f0fac8daa37 (diff) | |
| parent | 5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff) | |
Merge tag 'v3.6-rc6' into spi-drivers
Linux 3.6-rc6
Conflicts:
drivers/spi/spi-omap2-mcspi.c
Diffstat (limited to 'arch/powerpc/kernel/dbell.c')
| -rw-r--r-- | arch/powerpc/kernel/dbell.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c index 5b25c8060fd6..a892680668d8 100644 --- a/arch/powerpc/kernel/dbell.c +++ b/arch/powerpc/kernel/dbell.c @@ -28,6 +28,8 @@ void doorbell_setup_this_cpu(void) void doorbell_cause_ipi(int cpu, unsigned long data) { + /* Order previous accesses vs. msgsnd, which is treated as a store */ + mb(); ppc_msgsnd(PPC_DBELL, 0, data); } |