From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Wed, 21 Sep 2011 21:04:47 +0000 (-0400)
Subject: xen/pciback: use mutex rather than spinlock in vpci backend
X-Git-Tag: v3.2-rc1~192^3~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74d33dedc2fb8d98821bcf7df9800ce59456502e;p=pandora-kernel.git

xen/pciback: use mutex rather than spinlock in vpci backend

Similar to the "xen/pciback: use mutex rather than spinlock in passthrough backend"
this patch converts the vpci backend to use a mutex instead of
a spinlock. Note that the code taking the lock won't ever get called
from non-sleepable context

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