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| author | Jack Steiner <steiner@sgi.com> | 2010-03-11 12:43:29 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-12 10:19:29 +0100 |
| commit | 8447b360a3897bdfb0677107564d1dd9ab6e63be (patch) | |
| tree | 0763a416221c1e26051119766a5d068920697e4f /arch | |
| parent | d6dd692168c049196f54edc2e8227c60702bb1d2 (diff) | |
| download | linux-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.c | 4 |
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) |