From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>, netdev@vger.kernel.org
Cc: Cong Wang <amwang@redhat.com>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Dave Jones <davej@redhat.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH] virtio-net: put virtio net header inline with data
Date: Tue, 09 Jul 2013 11:46:23 +0930 [thread overview]
Message-ID: <871u78eavc.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20130708101259.GA16074@redhat.com>
"Michael S. Tsirkin" <mst@redhat.com> writes:
> For small packets we can simplify xmit processing
> by linearizing buffers with the header:
> most packets seem to have enough head room
> we can use for this purpose.
> Since existing hypervisors require that header
> is the first s/g element, we need a feature bit
> for this.
>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
>
> Note: this needs to be applied on top of patch
> defining VIRTIO_F_ANY_LAYOUT - bit to be
> selected by Rusty.
>
> The following patch should work for any definition of
> VIRTIO_F_ANY_LAYOUT - I used bit 31 for testing.
> Rusty, could you please pick a valid bit for VIRTIO_F_ANY_LAYOUT
> and squeeze this patch into 3.11?
Sorry, it's too late.
First, I've been a bit lax in sending patches via DaveM, and this is
definitely his territory (ie. more net than virtio).
Secondly, it needs baking and testing time.
Cheers,
Rusty.
next prev parent reply other threads:[~2013-07-09 2:16 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-08 10:12 [PATCH] virtio-net: put virtio net header inline with data Michael S. Tsirkin
2013-07-09 2:16 ` Rusty Russell [this message]
2013-07-09 5:18 ` Michael S. Tsirkin
2013-07-09 8:08 ` Rusty Russell
2013-07-10 4:38 ` David Miller
2013-07-15 1:43 ` Rusty Russell
2013-07-16 19:33 ` David Miller
2013-07-17 0:08 ` Rusty Russell
2013-07-17 5:00 ` Michael S. Tsirkin
2013-07-17 5:05 ` David Miller
2013-07-17 6:02 ` Rusty Russell
2013-07-24 19:44 ` Michael S. Tsirkin
2013-07-10 6:14 ` Michael S. Tsirkin
2013-07-15 1:40 ` Rusty Russell
2013-07-11 13:00 ` Michael S. Tsirkin
2013-07-12 5:57 ` Rusty Russell
-- strict thread matches above, loose matches on Subject: below --
2013-06-06 9:55 Michael S. Tsirkin
2013-06-06 19:59 ` [Qemu-devel] " Jesse Larrew
2013-06-06 20:09 ` Dave Jones
2013-06-06 20:18 ` Jesse Larrew
2013-06-07 2:12 ` Rusty Russell
2013-06-09 7:11 ` Michael S. Tsirkin
2013-06-07 2:52 ` Jason Wang
2013-06-09 6:52 ` Michael S. Tsirkin
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