x86: SGI UV: Fix irq affinity for hub based interrupts
This patch fixes handling of uv hub irq affinity. IRQs with ALL or
NODE affinity can be routed to cpus other than their originally
assigned cpu. Those with CPU affinity cannot be rerouted.
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
LKML-Reference: <20090930160259.GA7822@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index c76677a..b5bbe59 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -106,7 +106,8 @@
int mmr_pnode = uv_blade_to_pnode(mq->mmr_blade);
#if defined CONFIG_X86_64
- mq->irq = uv_setup_irq(irq_name, cpu, mq->mmr_blade, mq->mmr_offset);
+ mq->irq = uv_setup_irq(irq_name, cpu, mq->mmr_blade, mq->mmr_offset,
+ UV_AFFINITY_CPU);
if (mq->irq < 0) {
dev_err(xpc_part, "uv_setup_irq() returned error=%d\n",
-mq->irq);
@@ -136,7 +137,7 @@
xpc_release_gru_mq_irq_uv(struct xpc_gru_mq_uv *mq)
{
#if defined CONFIG_X86_64
- uv_teardown_irq(mq->irq, mq->mmr_blade, mq->mmr_offset);
+ uv_teardown_irq(mq->irq);
#elif defined CONFIG_IA64_GENERIC || defined CONFIG_IA64_SGI_UV
int mmr_pnode;