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cpumask: make irq_set_affinity() take a const struct cpumask

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Impact: change existing irq_chip API

Not much point with gentle transition here: the struct irq_chip's
setaffinity method signature needs to change.

Fortunately, not widely used code, but hits a few architectures.

Note: In irq_select_affinity() I save a temporary in by mangling
irq_desc[irq].affinity directly.  Ingo, does this break anything?

(Folded in fix from KOSAKI Motohiro)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Acked-by: Ingo Molnar <mingo@redhat.com>
Cc: ralf@linux-mips.org
Cc: grundler@parisc-linux.org
Cc: jeremy@xensource.com
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
This commit is contained in:
Rusty Russell
2008-12-13 21:20:26 +10:30
parent 29c0177e6a
commit 0de26520c7
42 changed files with 172 additions and 162 deletions
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4
arch/x86/kernel/hpet.c
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@@ -301,7 +301,7 @@ static void hpet_set_mode(enum clock_event_mode mode,
struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
hpet_setup_msi_irq(hdev->irq);
disable_irq(hdev->irq);
irq_set_affinity(hdev->irq, cpumask_of_cpu(hdev->cpu));
irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
enable_irq(hdev->irq);
}
break;
@@ -449,7 +449,7 @@ static int hpet_setup_irq(struct hpet_dev *dev)
return -1;
disable_irq(dev->irq);
irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu));
irq_set_affinity(dev->irq, cpumask_of(dev->cpu));
enable_irq(dev->irq);
printk(KERN_DEBUG "hpet: %s irq %d for MSI\n",