Messages in this thread | | | Date | Mon, 4 Aug 2014 16:34:22 +0100 | From | Zoltan Kiss <> | Subject | Re: [PATCH net-next 0/2] xen-netback: Changes around carrier handling |
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On 04/08/14 16:20, Zoltan Kiss wrote: > This series starts using carrier off as a way to purge packets when the guest is > not able (or willing) to receive them. It is a much faster way to get rid of > packets waiting for an overwhelmed guest. > The first patch changes current netback code where it relies currently on > netif_carrier_ok. > The second turns off the carrier if the guest times out on a queue, and only > turn it on again if that queue (or queues) resurrects. > > Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> > Signed-off-by: David Vrabel <david.vrabel@citrix.com> > Cc: netdev@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: xen-devel@lists.xenproject.org >
Sorry, I forgot to include v2 in the subject header, and the version history for the second patch:
v2: - added a lot more comments - fixing the bit checking in RX interrupt - move out the bulk of the code from the main thread function into xenvif_rx_purge_event
Zoli
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