summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/dbell.c
diff options
context:
space:
mode:
authorMilton Miller <miltonm@bga.com>2011-05-10 19:29:10 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 14:30:46 +1000
commitf1072939b6dd01d038d47db0bdc01b33e5f90f28 (patch)
tree281747826833d254131a44bad9c954659137a5a8 /arch/powerpc/kernel/dbell.c
parente04763713286b1e00e1c2a33fe2741caf9470f2b (diff)
powerpc: Remove checks for MSG_ALL and MSG_ALL_BUT_SELF
Now that smp_ops->smp_message_pass is always called with an (online) cpu number for the target remove the checks for MSG_ALL and MSG_ALL_BUT_SELF. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/dbell.c')
-rw-r--r--arch/powerpc/kernel/dbell.c29
1 files changed, 5 insertions, 24 deletions
diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c
index 3307a52d797..e49b24c8413 100644
--- a/arch/powerpc/kernel/dbell.c
+++ b/arch/powerpc/kernel/dbell.c
@@ -34,32 +34,13 @@ void doorbell_setup_this_cpu(void)
info->tag = mfspr(SPRN_PIR) & 0x3fff;
}
-void doorbell_message_pass(int target, int msg)
+void doorbell_message_pass(int cpu, int msg)
{
struct doorbell_cpu_info *info;
- int i;
-
- if (target < NR_CPUS) {
- info = &per_cpu(doorbell_cpu_info, target);
- set_bit(msg, &info->messages);
- ppc_msgsnd(PPC_DBELL, 0, info->tag);
- }
- else if (target == MSG_ALL_BUT_SELF) {
- for_each_online_cpu(i) {
- if (i == smp_processor_id())
- continue;
- info = &per_cpu(doorbell_cpu_info, i);
- set_bit(msg, &info->messages);
- ppc_msgsnd(PPC_DBELL, 0, info->tag);
- }
- }
- else { /* target == MSG_ALL */
- for_each_online_cpu(i) {
- info = &per_cpu(doorbell_cpu_info, i);
- set_bit(msg, &info->messages);
- }
- ppc_msgsnd(PPC_DBELL, PPC_DBELL_MSG_BRDCAST, 0);
- }
+
+ info = &per_cpu(doorbell_cpu_info, cpu);
+ set_bit(msg, &info->messages);
+ ppc_msgsnd(PPC_DBELL, 0, info->tag);
}
void doorbell_exception(struct pt_regs *regs)