Re: [PATCH 0/2] virtio_net: fix race in RX VQ processing

2013-07-08 Thread David Miller
From: "Michael S. Tsirkin" Date: Mon, 8 Jul 2013 12:05:26 +0300 > Jason Wang reported a race in RX VQ processing: > virtqueue_enable_cb is called outside napi lock, > violating virtio serialization rules. > The race has been there from day 1, but it got especially nasty in 3.0 > when commit a5c26

Re: [PATCH 0/2] virtio_net: fix race in RX VQ processing

2013-07-08 Thread Jason Wang
On 07/08/2013 05:05 PM, Michael S. Tsirkin wrote: > Jason Wang reported a race in RX VQ processing: > virtqueue_enable_cb is called outside napi lock, > violating virtio serialization rules. > The race has been there from day 1, but it got especially nasty in 3.0 > when commit a5c262c5fd83ece01bd64

[PATCH 0/2] virtio_net: fix race in RX VQ processing

2013-07-08 Thread Michael S. Tsirkin
Jason Wang reported a race in RX VQ processing: virtqueue_enable_cb is called outside napi lock, violating virtio serialization rules. The race has been there from day 1, but it got especially nasty in 3.0 when commit a5c262c5fd83ece01bd649fb08416c501d4c59d7 "virtio_ring: support event idx feature"