diff options
| author | James Morris | 2012-09-28 05:37:32 +0200 |
|---|---|---|
| committer | James Morris | 2012-09-28 05:37:32 +0200 |
| commit | bf5308344527d015ac9a6d2bda4ad4d40fd7d943 (patch) | |
| tree | 566e61e2cfc648c374d15cfc8c661b73e1a471f8 /arch/powerpc/kernel/dbell.c | |
| parent | Merge branch 'for-1209' of git://gitorious.org/smack-next/kernel into next (diff) | |
| parent | Linux 3.6-rc7 (diff) | |
| download | kernel-qcow2-linux-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.tar.gz kernel-qcow2-linux-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.tar.xz kernel-qcow2-linux-bf5308344527d015ac9a6d2bda4ad4d40fd7d943.zip | |
Merge tag 'v3.6-rc7' into next
Linux 3.6-rc7
Requested by David Howells so he can merge his key susbsystem work into
my tree with requisite -linus changesets.
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); } |