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(parent: 14bcdf0) | patch
virtio: set pci bus master enable bit
authorMichael S. Tsirkin <mst@redhat.com>
Sun, 29 Nov 2009 15:52:00 +0000 (17:52 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 21 Mar 2011 19:45:25 +0000 (12:45 -0700)
commit6104ea834d963524862c5565983f65089957b91b
treeec94c918bd1143e40cda954d5a996c3b5bbe1231tree | snapshot
parent14bcdf0bc282f0ea21574d4fec4df15900ceb4c4commit | diff
virtio: set pci bus master enable bit

commit bc505f373979692d51a86d40925f77a8b09d17b9 upstream.

As all virtio devices perform DMA, we
must enable bus mastering for them to be
spec compliant.

This patch fixes hotplug of virtio devices
with Linux guests and qemu 0.11-0.12.

Tested-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: maximilian attems <max@stro.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/virtio/virtio_pci.c diff | blob | history
Linux kernel for KaRo TX COM modules