From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Wed, 16 Feb 2011 20:43:25 +0000 (-0500)
Subject: xen/pciback: Don't setup an fake IRQ handler for SR-IOV devices.
X-Git-Tag: v3.1-rc1~318^2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e17ab35f05cb8b3d19c70454a41ea67207caf484;p=pandora-kernel.git

xen/pciback: Don't setup an fake IRQ handler for SR-IOV devices.

If we try to setup an fake IRQ handler for legacy interrupts
for devices that only have MSI-X (most if not all SR-IOV cards),
we will fail with this:

pciback[0000:01:10.0]: failed to install fake IRQ handler for IRQ 0! (rc:-38)

Since those cards don't have anything in dev->irq.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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