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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index c76677afda1b..b5bbe59f9c57 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -106,7 +106,8 @@ xpc_get_gru_mq_irq_uv(struct xpc_gru_mq_uv *mq, int cpu, char *irq_name)
         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 @@ static void
 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;