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| author |   Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
| commit | 3d7a96f5a485b7d06c2379f343d7312af89ec9e2 (patch) | |
| tree | 5f097f68eb0f9fd3fa4a10f38672e300e9127b10 /arch/x86/kernel/irq_32.c | |
| parent | kmemtrace: Remove the relay version of kmemtrace (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm (diff) | |
| download | linux-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.tar.xz linux-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.zip | |
Merge branch 'linus' into tracing/kmemtrace2
Diffstat (limited to 'arch/x86/kernel/irq_32.c')
| -rw-r--r-- | arch/x86/kernel/irq_32.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 119fc9c8ff7f..9dc5588f336a 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -233,27 +233,28 @@ unsigned int do_IRQ(struct pt_regs *regs) #ifdef CONFIG_HOTPLUG_CPU #include <mach_apic.h> -void fixup_irqs(cpumask_t map) +/* A cpu has been removed from cpu_online_mask. Reset irq affinities. */ +void fixup_irqs(void) { unsigned int irq; static int warned; struct irq_desc *desc; for_each_irq_desc(irq, desc) { - cpumask_t mask; + const struct cpumask *affinity; if (!desc) continue; if (irq == 2) continue; - cpus_and(mask, desc->affinity, map); - if (any_online_cpu(mask) == NR_CPUS) { + affinity = &desc->affinity; + if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { printk("Breaking affinity for irq %i\n", irq); - mask = map; + affinity = cpu_all_mask; } if (desc->chip->set_affinity) - desc->chip->set_affinity(irq, mask); + desc->chip->set_affinity(irq, affinity); else if (desc->action && !(warned++)) printk("Cannot set affinity for irq %i\n", irq); } |