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Message-Id: <20120327.223112.2032989102915830685.davem@davemloft.net> Date: Tue, 27 Mar 2012 22:31:12 -0400 (EDT) From: David Miller <davem@...emloft.net> To: jasowang@...hat.com Cc: netdev@...r.kernel.org, rusty@...tcorp.com.au, virtualization@...ts.linux-foundation.org, linux-kernel@...r.kernel.org, mst@...hat.com Subject: Re: [V5 PATCH] virtio-net: send gratuitous packets when needed From: Jason Wang <jasowang@...hat.com> Date: Fri, 16 Mar 2012 17:01:01 +0800 > As hypervior does not have the knowledge of guest network configuration, it's > better to ask guest to send gratuitous packets when needed. > > Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it > is set, a workqueue is scheduled to send gratuitous packet through > NETDEV_NOTIFY_PEERS. This feature is negotiated through bit > VIRTIO_NET_F_GUEST_ANNOUNCE. > > Changes from v4: > - typos > - handle workqueue unconditionally > - move VIRTIO_NET_S_ANNOUNCE to bit 8 to separate rw bits from ro bits > > Changes from v3: > - cancel the workqueue during freeze > > Changes from v2: > - fix the race between unregister_dev() and workqueue > > Signed-off-by: Jason Wang <jasowang@...hat.com> What's happening with this patch? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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