diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-12-07 13:14:12 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-12-07 13:14:18 +0100 |
commit | f3d607c6b39bd9cb5000e03e2c0dc2afe1241374 (patch) | |
tree | 885b5e0b5bb3d87efc4bfbde69feff2ece32ecac /arch/x86/kernel/irq_64.c | |
parent | 8055039c2a2454c7159dcbde3161943b757a6e0e (diff) | |
parent | 6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff) |
Merge branch 'linus' into x86/urgent
Merge reason: we want to queue up a dependent fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
-rw-r--r-- | arch/x86/kernel/irq_64.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 977d8b43a0d..acf8fbf8fbd 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -62,64 +62,6 @@ bool handle_irq(unsigned irq, struct pt_regs *regs) return true; } -#ifdef CONFIG_HOTPLUG_CPU -/* 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) { - int break_affinity = 0; - int set_affinity = 1; - const struct cpumask *affinity; - - if (!desc) - continue; - if (irq == 2) - continue; - - /* interrupt's are disabled at this point */ - spin_lock(&desc->lock); - - affinity = desc->affinity; - if (!irq_has_action(irq) || - cpumask_equal(affinity, cpu_online_mask)) { - spin_unlock(&desc->lock); - continue; - } - - if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { - break_affinity = 1; - affinity = cpu_all_mask; - } - - if (desc->chip->mask) - desc->chip->mask(irq); - - if (desc->chip->set_affinity) - desc->chip->set_affinity(irq, affinity); - else if (!(warned++)) - set_affinity = 0; - - if (desc->chip->unmask) - desc->chip->unmask(irq); - - spin_unlock(&desc->lock); - - if (break_affinity && set_affinity) - printk("Broke affinity for irq %i\n", irq); - else if (!set_affinity) - printk("Cannot set affinity for irq %i\n", irq); - } - - /* That doesn't seem sufficient. Give it 1ms. */ - local_irq_enable(); - mdelay(1); - local_irq_disable(); -} -#endif extern void call_softirq(void); |