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authorGeoff Levand <geoffrey.levand@am.sony.com>2009-04-16 09:05:39 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-05-21 15:43:58 +1000
commitfb94fc2b89ea0422950cb1220f275622246bd66d (patch)
tree62bb3faf3793eea1ef187076a05907c02e12e6c0 /arch
parent14f966e79445015cd89d0fa0ceb6b33702e951b6 (diff)
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')
-rw-r--r--arch/powerpc/platforms/ps3/smp.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index a0927a3bacb..f6e04bcc70e 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;