From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 15 Jan 2015 15:54:13 +0000 (+0200)
Subject: virtio_pci: add module param to force legacy mode
X-Git-Tag: fixes-v4.0-rc1~61^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac399d8f39a860655961660efa5c67e7f3c47912;p=pandora-kernel.git

virtio_pci: add module param to force legacy mode

If set, try legacy interface first, modern one if that fails.  Useful to
work around device/driver bugs, and for compatibility testing.

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