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/platforms | |
parent | e04763713286b1e00e1c2a33fe2741caf9470f2b (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/platforms')
-rw-r--r-- | arch/powerpc/platforms/cell/beat_smp.c | 18 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/smp.c | 18 | ||||
-rw-r--r-- | arch/powerpc/platforms/iseries/smp.c | 18 | ||||
-rw-r--r-- | arch/powerpc/platforms/powermac/smp.c | 17 | ||||
-rw-r--r-- | arch/powerpc/platforms/ps3/smp.c | 22 |
5 files changed, 9 insertions, 84 deletions
diff --git a/arch/powerpc/platforms/cell/beat_smp.c b/arch/powerpc/platforms/cell/beat_smp.c index 3e86acbb0fb..23bbe6e08c8 100644 --- a/arch/powerpc/platforms/cell/beat_smp.c +++ b/arch/powerpc/platforms/cell/beat_smp.c @@ -67,22 +67,6 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) return 0; } -static void smp_beatic_message_pass(int target, int msg) -{ - unsigned int i; - - if (target < NR_CPUS) { - beatic_cause_IPI(target, msg); - } else { - for_each_online_cpu(i) { - if (target == MSG_ALL_BUT_SELF - && i == smp_processor_id()) - continue; - beatic_cause_IPI(i, msg); - } - } -} - static int __init smp_beatic_probe(void) { return cpumask_weight(cpu_possible_mask); @@ -105,7 +89,7 @@ static int smp_celleb_cpu_bootable(unsigned int nr) return 1; } static struct smp_ops_t bpa_beatic_smp_ops = { - .message_pass = smp_beatic_message_pass, + .message_pass = beatic_cause_IPI, .probe = smp_beatic_probe, .kick_cpu = smp_celleb_kick_cpu, .setup_cpu = smp_beatic_setup_cpu, diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c index a2161b91b0b..d176e6148e3 100644 --- a/arch/powerpc/platforms/cell/smp.c +++ b/arch/powerpc/platforms/cell/smp.c @@ -103,22 +103,6 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) return 1; } -static void smp_iic_message_pass(int target, int msg) -{ - unsigned int i; - - if (target < NR_CPUS) { - iic_cause_IPI(target, msg); - } else { - for_each_online_cpu(i) { - if (target == MSG_ALL_BUT_SELF - && i == smp_processor_id()) - continue; - iic_cause_IPI(i, msg); - } - } -} - static int __init smp_iic_probe(void) { iic_request_IPIs(); @@ -168,7 +152,7 @@ static int smp_cell_cpu_bootable(unsigned int nr) return 1; } static struct smp_ops_t bpa_iic_smp_ops = { - .message_pass = smp_iic_message_pass, + .message_pass = iic_cause_IPI, .probe = smp_iic_probe, .kick_cpu = smp_cell_kick_cpu, .setup_cpu = smp_cell_setup_cpu, diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index 02a677a1f91..dcdbc5dc5aa 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -59,28 +59,12 @@ void iSeries_smp_message_recv(void) smp_message_recv(msg); } -static inline void smp_iSeries_do_message(int cpu, int msg) +static void smp_iSeries_message_pass(int cpu, int msg) { set_bit(msg, &iSeries_smp_message[cpu]); HvCall_sendIPI(&(paca[cpu])); } -static void smp_iSeries_message_pass(int target, int msg) -{ - int i; - - if (target < NR_CPUS) - smp_iSeries_do_message(target, msg); - else { - for_each_online_cpu(i) { - if ((target == MSG_ALL_BUT_SELF) && - (i == smp_processor_id())) - continue; - smp_iSeries_do_message(i, msg); - } - } -} - static int smp_iSeries_probe(void) { return cpumask_weight(cpu_possible_mask); diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 621d4b7755f..c49e71926a5 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -186,21 +186,10 @@ irqreturn_t psurge_primary_intr(int irq, void *d) return IRQ_HANDLED; } -static void smp_psurge_message_pass(int target, int msg) +static void smp_psurge_message_pass(int cpu, int msg) { - int i; - - if (num_online_cpus() < 2) - return; - - for_each_online_cpu(i) { - if (target == MSG_ALL - || (target == MSG_ALL_BUT_SELF && i != smp_processor_id()) - || target == i) { - set_bit(msg, &psurge_smp_message[i]); - psurge_set_ipi(i); - } - } + set_bit(msg, &psurge_smp_message[cpu]); + psurge_set_ipi(cpu); } /* diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 51ffde40af2..4c44794faac 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -39,7 +39,7 @@ #define MSG_COUNT 4 static DEFINE_PER_CPU(unsigned int [MSG_COUNT], ps3_ipi_virqs); -static void do_message_pass(int target, int msg) +static void ps3_smp_message_pass(int cpu, int msg) { int result; unsigned int virq; @@ -49,28 +49,12 @@ static void do_message_pass(int target, int msg) return; } - virq = per_cpu(ps3_ipi_virqs, target)[msg]; + virq = per_cpu(ps3_ipi_virqs, cpu)[msg]; result = ps3_send_event_locally(virq); if (result) DBG("%s:%d: ps3_send_event_locally(%d, %d) failed" - " (%d)\n", __func__, __LINE__, target, msg, result); -} - -static void ps3_smp_message_pass(int target, int msg) -{ - int cpu; - - if (target < NR_CPUS) - do_message_pass(target, msg); - else if (target == MSG_ALL_BUT_SELF) { - for_each_online_cpu(cpu) - if (cpu != smp_processor_id()) - do_message_pass(cpu, msg); - } else { - for_each_online_cpu(cpu) - do_message_pass(cpu, msg); - } + " (%d)\n", __func__, __LINE__, cpu, msg, result); } static int ps3_smp_probe(void) |