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>

1 files changed, 5 insertions, 24 deletions

diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c
index 3307a52d797f..e49b24c84133 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)