linux-kernel - Re: [PATCHv2 RFC 0/4] virtio and vhost-net capacity handling

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Message-ID: <OFF64BF5BD.B405A000-ON652578AE.004AE88C-652578AE.004B23D1@in.ibm.com>
Date:	Mon, 13 Jun 2011 19:14:07 +0530
From:	Krishna Kumar2 <krkumar2@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Christian Borntraeger <borntraeger@...ibm.com>,
	Carsten Otte <cotte@...ibm.com>, habanero@...ux.vnet.ibm.com,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	kvm@...r.kernel.org, lguest@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
	linux390@...ibm.com, netdev@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Martin Schwidefsky <schwidefsky@...ibm.com>, steved@...ibm.com,
	Tom Lendacky <tahm@...ux.vnet.ibm.com>,
	virtualization@...ts.linux-foundation.org,
	Shirley Ma <xma@...ibm.com>
Subject: Re: [PATCHv2 RFC 0/4] virtio and vhost-net capacity handling

"Michael S. Tsirkin" <mst@...hat.com> wrote on 06/13/2011 07:05:13 PM:

> > I ran the latest patches with 1K I/O (guest->local host) and
> > the results are (60 sec run for each test case):
>
> Hi!
> Did you apply this one:
> [PATCHv2 RFC 4/4] Revert "virtio: make add_buf return capacity remaining"
> ?
>
> It turns out that that patch has a bug and should be reverted,
> only patches 1-3 should be applied.
>
> Could you confirm please?

No, I didn't apply that patch. I had also seen your mail
earlier on this patch breaking receive buffer processing
if applied.

thanks,

- KK

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