From: Michael S. Tsirkin <mst@redhat.com>
Date: Tue, 14 Oct 2014 23:52:32 +0000 (+1030)
Subject: virtio_scsi: enable VQs early on restore
X-Git-Tag: fixes-against-v3.18-rc2~57^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52c9cf1ac3d315995e9a65b900bc25e1d8a538b3;p=pandora-kernel.git

virtio_scsi: enable VQs early on restore

virtio spec requires drivers to set DRIVER_OK before using VQs.
This is set automatically after restore returns, virtio scsi violated
this rule on restore by kicking event vq within restore.

To fix, call virtio_device_ready before using event queue.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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