Subject: Re: [PATCH net-next 0/2] xen-netback: Changes around carrier handling

From: Zoltan Kiss <[email-masked]>
Date: Mon, 4 Aug 2014 16:34:22 +0100

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 <[email-masked]>
> Signed-off-by: David Vrabel <[email-masked]>
> Cc: [email-masked]
> Cc: [email-masked]
> Cc: [email-masked]
>

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