diff options
| author |   Milton Miller <miltonm@bga.com> | 2011-05-10 19:29:10 +0000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 14:30:46 +1000 |
| commit | f1072939b6dd01d038d47db0bdc01b33e5f90f28 (patch) | |
| tree | 281747826833d254131a44bad9c954659137a5a8 /arch/powerpc/kernel/dbell.c | |
| parent | powerpc: Remove call sites of MSG_ALL_BUT_SELF (diff) | |
| download | linux-dev-f1072939b6dd01d038d47db0bdc01b33e5f90f28.tar.xz linux-dev-f1072939b6dd01d038d47db0bdc01b33e5f90f28.zip | |
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.c | 29 |
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) |