summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorJack Steiner <steiner@sgi.com>2010-03-11 12:43:29 -0600
committerIngo Molnar <mingo@elte.hu>2010-03-12 10:19:29 +0100
commit8447b360a3897bdfb0677107564d1dd9ab6e63be (patch)
tree0763a416221c1e26051119766a5d068920697e4f /arch
parentd6dd692168c049196f54edc2e8227c60702bb1d2 (diff)
downloadlinux-8447b360a3897bdfb0677107564d1dd9ab6e63be.tar.gz
linux-8447b360a3897bdfb0677107564d1dd9ab6e63be.tar.bz2
linux-8447b360a3897bdfb0677107564d1dd9ab6e63be.zip
x86, UV: Fix target_cpus() in x2apic_uv_x.c
target_cpu() should initially target all cpus, not just cpu 0. Otherwise systems with lots of disks can exhaust the interrupt vectors on cpu 0 if a large number of disks are discovered before the irq balancer is running. Note: UV code only... Signed-off-by: Jack Steiner <steiner@sgi.com> LKML-Reference: <20100311184328.GA21433@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 21db3cbea7dc..af0ca80e38a9 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -114,11 +114,9 @@ EXPORT_SYMBOL_GPL(uv_possible_blades);
unsigned long sn_rtc_cycles_per_second;
EXPORT_SYMBOL(sn_rtc_cycles_per_second);
-/* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */
-
static const struct cpumask *uv_target_cpus(void)
{
- return cpumask_of(0);
+ return cpu_online_mask;
}
static void uv_vector_allocation_domain(int cpu, struct cpumask *retmask)