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From: David Miller <davem@davemloft.net>
To: mst@redhat.com
Cc: mashirle@us.ibm.com, thomas@mathtm.de, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH next-next-2.6 v2] virtio_net: missing sg_init_table
Date: Wed, 31 Mar 2010 03:16:36 -0700 (PDT)	[thread overview]
Message-ID: <20100331.031636.04083770.davem@davemloft.net> (raw)
In-Reply-To: <20100331092022.GA31911@redhat.com>

From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Wed, 31 Mar 2010 12:20:22 +0300

> On Mon, Mar 29, 2010 at 06:19:15PM -0700, Shirley Ma wrote:
>> Add missing sg_init_table for sg_set_buf in virtio_net which
>> induced in defer skb patch.
>> 
>> Reported-by: Thomas Müller <thomas@mathtm.de>
>> Tested-by: Thomas Müller <thomas@mathtm.de>
>> Signed-off-by: Shirley Ma <xma@us.ibm.com>
> 
> I'm concerned that the 'big' path might cause a performance regression.
> Let's move sg into virtnet_info so that this needs to be only called
> once?

Yeah that might improve things.

Shirley's change is already in net-next-2.6 so anything implementing
this would need to be submitted relative to that.

  reply	other threads:[~2010-03-31 10:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-29 18:31 [PATCH next-next-2.6] virtio_net: missing sg_init_table Shirley Ma
2010-03-29 19:31 ` Thomas Müller
2010-03-30  1:19   ` [PATCH next-next-2.6 v2] " Shirley Ma
2010-03-31  1:32     ` David Miller
2010-03-31  9:20     ` Michael S. Tsirkin
2010-03-31 10:16       ` David Miller [this message]
2010-03-31 12:41         ` [PATCH] virtio-net: move sg off stack Michael S. Tsirkin
     [not found]         ` <20100331124156.GA4598@redhat.com>
2010-04-02  2:26           ` David Miller
2010-04-06  3:14             ` Rusty Russell
2010-03-30  1:19   ` [PATCH next-next-2.6] virtio_net: missing sg_init_table Shirley Ma

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