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| author | Anton Blanchard <anton@samba.org> | 2010-04-26 15:32:35 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-05-06 17:16:14 +1000 |
| commit | b6decb707952c678d110699abb5ed86d45ca6927 (patch) | |
| tree | 6e206cc19c9f6ac9358be30593866a8a057d508d /arch/powerpc/kernel/irq.c | |
| parent | bfb9126defa80cbed6d91ed9685b238b0d7e81c4 (diff) | |
| download | kernel_samsung_smdk4412-b6decb707952c678d110699abb5ed86d45ca6927.zip kernel_samsung_smdk4412-b6decb707952c678d110699abb5ed86d45ca6927.tar.gz kernel_samsung_smdk4412-b6decb707952c678d110699abb5ed86d45ca6927.tar.bz2 | |
powerpc/cpumask: Convert fixup_irqs to new cpumask API
Use new cpumask_* functions, and dynamically allocate cpumask in fixup_irqs.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 64f6f20..250ee2e 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -290,30 +290,33 @@ u64 arch_irq_stat_cpu(unsigned int cpu) } #ifdef CONFIG_HOTPLUG_CPU -void fixup_irqs(cpumask_t map) +void fixup_irqs(const struct cpumask *map) { struct irq_desc *desc; unsigned int irq; static int warned; + cpumask_var_t mask; - for_each_irq(irq) { - cpumask_t mask; + alloc_cpumask_var(&mask, GFP_KERNEL); + for_each_irq(irq) { desc = irq_to_desc(irq); if (desc && desc->status & IRQ_PER_CPU) continue; - cpumask_and(&mask, desc->affinity, &map); - if (any_online_cpu(mask) == NR_CPUS) { + cpumask_and(mask, desc->affinity, map); + if (cpumask_any(mask) >= nr_cpu_ids) { printk("Breaking affinity for irq %i\n", irq); - mask = map; + cpumask_copy(mask, map); } if (desc->chip->set_affinity) - desc->chip->set_affinity(irq, &mask); + desc->chip->set_affinity(irq, mask); else if (desc->action && !(warned++)) printk("Cannot set affinity for irq %i\n", irq); } + free_cpumask_var(mask); + local_irq_enable(); mdelay(1); local_irq_disable(); |