Messages in this thread | | | Date | Tue, 21 Mar 2006 15:37:47 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] Add SA_PERCPU_IRQ flag support |
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Dimitri Sivanich <sivanich@sgi.com> wrote: > > The generic request_irq/setup_irq code should support the SA_PERCPU_IRQ flag. > > This patch was posted previously, but this one should build on all arch's. > > Signed-off-by: Dimitri Sivanich <sivanich@sgi.com> > > Index: linux-2.6.15/kernel/irq/manage.c > =================================================================== > --- linux-2.6.15.orig/kernel/irq/manage.c 2006-03-20 13:11:01.766522017 -0600 > +++ linux-2.6.15/kernel/irq/manage.c 2006-03-21 15:26:12.305876769 -0600 > @@ -206,6 +206,10 @@ int setup_irq(unsigned int irq, struct i > * The following block of code has to be executed atomically > */ > spin_lock_irqsave(&desc->lock,flags); > +#if defined(ARCH_HAS_IRQ_PER_CPU) && defined(SA_PERCPU_IRQ) > + if (new->flags & SA_PERCPU_IRQ) > + desc->status |= IRQ_PER_CPU; > +#endif > p = &desc->action; > if ((old = *p) != NULL) { > /* Can't share interrupts unless both agree to */
hm. Last time around I pointed out that we should be checking that all handlers for this IRQ agree about the percpuness. What happened to that? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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