diff options
| author | Geoff Levand <geoffrey.levand@am.sony.com> | 2009-04-16 13:05:39 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-05-21 09:43:58 +0400 |
| commit | fb94fc2b89ea0422950cb1220f275622246bd66d (patch) | |
| tree | 62bb3faf3793eea1ef187076a05907c02e12e6c0 /arch/powerpc/platforms/ps3 | |
| parent | 14f966e79445015cd89d0fa0ceb6b33702e951b6 (diff) | |
| download | linux-fb94fc2b89ea0422950cb1220f275622246bd66d.tar.xz | |
powerpc/ps3: Use smp_request_message_ipi
ps3 has 4 ipis per cpu and can use the new smp_request_message_ipi to
reduce path length when receiving an ipi.
This has the side effect of setting IRQF_PERCPU.
Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/ps3')
| -rw-r--r-- | arch/powerpc/platforms/ps3/smp.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index a0927a3bacb7..f6e04bcc70ef 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -32,12 +32,6 @@ #define DBG pr_debug #endif -static irqreturn_t ipi_function_handler(int irq, void *msg) -{ - smp_message_recv((int)(long)msg); - return IRQ_HANDLED; -} - /** * ps3_ipi_virqs - a per cpu array of virqs for ipi use */ @@ -45,13 +39,6 @@ static irqreturn_t ipi_function_handler(int irq, void *msg) #define MSG_COUNT 4 static DEFINE_PER_CPU(unsigned int, ps3_ipi_virqs[MSG_COUNT]); -static const char *names[MSG_COUNT] = { - "ipi call", - "ipi reschedule", - "ipi migrate", - "ipi debug brk" -}; - static void do_message_pass(int target, int msg) { int result; @@ -119,8 +106,7 @@ static void __init ps3_smp_setup_cpu(int cpu) DBG("%s:%d: (%d, %d) => virq %u\n", __func__, __LINE__, cpu, i, virqs[i]); - result = request_irq(virqs[i], ipi_function_handler, - IRQF_DISABLED, names[i], (void*)(long)i); + result = smp_request_message_ipi(virqs[i], i); if (result) virqs[i] = NO_IRQ; |