[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 04/11] Fix find_unbound_irq in presence of ioapic irqs.
On Mon, May 24, 2010 at 07:27:30PM +0100, Stefano Stabellini wrote: > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Can you provide a more detailed description of why this is needed? > --- > drivers/xen/events.c | 11 ++++++++++- > 1 files changed, 10 insertions(+), 1 deletions(-) > > diff --git a/drivers/xen/events.c b/drivers/xen/events.c > index 8b68fc4..1356fa2 100644 > --- a/drivers/xen/events.c > +++ b/drivers/xen/events.c > @@ -339,9 +339,18 @@ static int find_unbound_irq(void) > int irq; > struct irq_desc *desc; > > - for (irq = 0; irq < nr_irqs; irq++) > + for (irq = 0; irq < nr_irqs; irq++) { > + desc = irq_to_desc(irq); > + /* only 0->15 have init'd desc; handle irq > 16 */ > + if (desc == NULL) > + break; > + if (desc->chip == &no_irq_chip) > + break; > + if (desc->chip != &xen_dynamic_chip) > + continue; > if (irq_info[irq].type == IRQT_UNBOUND) > break; > + } > > if (irq == nr_irqs) > panic("No available IRQ to bind to: increase nr_irqs!\n"); > -- > 1.5.4.3 > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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