From f1072939b6dd01d038d47db0bdc01b33e5f90f28 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Tue, 10 May 2011 19:29:10 +0000 Subject: 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 Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/dbell.c | 29 +++++------------------------ 1 file changed, 5 insertions(+), 24 deletions(-) (limited to 'arch/powerpc/kernel/dbell.c') 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) -- cgit v1.2.3