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(parent: f5866db) | patch
9p/trans_virtio: enable VQs early
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 14 Oct 2014 23:52:31 +0000 (10:22 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 14 Oct 2014 23:55:04 +0000 (10:25 +1030)
commit64b4cc3911fe8284dfb3cfdb8065c100b818bab8
tree3c884644f7afc11d2c157bcc3b6518529adb2012tree | snapshot (tar.gz zip)
parentf5866db64f341776c2d9ed48080f82459fea6a55commit | diff
9p/trans_virtio: enable VQs early

virtio spec requires drivers to set DRIVER_OK before using VQs.
This is set automatically after probe returns, but virtio 9p device
adds self to channel list within probe, at which point VQ can be
used in violation of the spec.

To fix, call virtio_device_ready before using VQs.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
net/9p/trans_virtio.c diff | blob | blame | history