From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH 04/11] Fix find_unbound_irq in presence of ioapic irqs. Date: Mon, 24 May 2010 19:27:30 +0100 Message-ID: <1274725657-1149-4-git-send-email-stefano.stabellini@eu.citrix.com> References: Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: xen-devel@lists.xensource.com, Don Dutile , Stefano Stabellini , Jeremy Fitzhardinge , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org Signed-off-by: Stefano Stabellini --- 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