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x86: Add IRQF_TIMER to legacy x86 timer interrupt descriptors

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Right now nobody cares, but the suspend/resume code will eventually want
to suspend device interrupts without suspending the timer, and will
depend on this flag to know.

The modern x86 timer infrastructure uses the local APIC timers and never
shows up as a device interrupt at all, so it isn't affected and doesn't
need any of this.

Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds
2009-02-22 10:27:49 -08:00
parent 7c24af498f
commit 936577c61d
4 changed files with 4 additions and 4 deletions
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arch/x86/mach-default/setup.c
+1 -1
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@@ -96,7 +96,7 @@ void __init trap_init_hook(void)
static struct irqaction irq0 = {
.handler = timer_interrupt,
.flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL,
.flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
.mask = CPU_MASK_NONE,
.name = "timer"
};