Re: [PATCH v2 0/2] virtio_net: fix race in RX VQ processing

2013-07-09 Thread David Miller
From: "Michael S. Tsirkin" Date: Tue, 9 Jul 2013 08:12:57 +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

Re: [PATCH v2 0/2] virtio_net: fix race in RX VQ processing

2013-07-09 Thread Michael S. Tsirkin
On Tue, Jul 09, 2013 at 02:32:22AM -0700, David Miller wrote: > > I don't see patch #1 in v2 of this series. It's there now: http://patchwork.ozlabs.org/patch/257692/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org

Re: [PATCH v2 0/2] virtio_net: fix race in RX VQ processing

2013-07-09 Thread David Miller
I don't see patch #1 in v2 of this series. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [PATCH v2 0/2] virtio_net: fix race in RX VQ processing

2013-07-09 Thread David Miller
From: Michael S. Tsirkin m...@redhat.com Date: Tue, 9 Jul 2013 08:12:57 +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

Re: [PATCH v2 0/2] virtio_net: fix race in RX VQ processing

2013-07-09 Thread David Miller
I don't see patch #1 in v2 of this series. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [PATCH v2 0/2] virtio_net: fix race in RX VQ processing

2013-07-09 Thread Michael S. Tsirkin
On Tue, Jul 09, 2013 at 02:32:22AM -0700, David Miller wrote: I don't see patch #1 in v2 of this series. It's there now: http://patchwork.ozlabs.org/patch/257692/ -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More

[PATCH v2 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

[PATCH v2 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