From: David Vrabel <david.vrabel@citrix.com>
Date: Fri, 9 Jan 2015 18:06:12 +0000 (+0000)
Subject: xen/gntdev: convert priv->lock to a mutex
X-Git-Tag: fixes-v4.0-rc1~162^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1401c00e59ea021c575f74612fe2dbba36d6a4ee;p=pandora-kernel.git

xen/gntdev: convert priv->lock to a mutex

Unmapping may require sleeping and we unmap while holding priv->lock, so
convert it to a mutex.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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