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[Xen-devel] [PATCH] 2.6.39 patch for Xen IRQ rework.

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
Subject: [Xen-devel] [PATCH] 2.6.39 patch for Xen IRQ rework.
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Fri, 18 Feb 2011 09:18:43 -0500
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Stefano.Stabellini@xxxxxxxxxxxxx
Delivery-date: Fri, 18 Feb 2011 06:19:33 -0800
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It is one single patch that I spotted while trying to make MSI/MSI-X of SR-IOV
devices work under DomU PV guests.


Konrad Rzeszutek Wilk (1):
      xen/irq: Cleanup up the pirq_to_irq for DomU PV PCI passthrough guests as 
well.

 drivers/xen/events.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 975e90f..89987a7 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -766,8 +766,9 @@ int xen_destroy_irq(int irq)
                        printk(KERN_WARNING "unmap irq failed %d\n", rc);
                        goto out;
                }
-               pirq_to_irq[info->u.pirq.pirq] = -1;
        }
+       pirq_to_irq[info->u.pirq.pirq] = -1;
+
        irq_info[irq] = mk_unbound_info();
 
        xen_free_irq(irq);

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