From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Marcel Apfelbaum <marcel@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] vhost-user: enable virtio 1.0
Date: Sun, 01 Nov 2015 10:53:53 +0100 [thread overview]
Message-ID: <1963243.g88CBzixeL@xps13> (raw)
In-Reply-To: <5635D4C8.4030407@redhat.com>
2015-11-01 11:00, Marcel Apfelbaum:
> On 10/30/2015 07:48 PM, Thomas Monjalon wrote:
> > 2015-10-18 10:04, Michael S. Tsirkin:
> >> This will require more work then as 1.0 is a different
> >> endian-ness from 0.9. It's up to you guys to decide
> >> whether correct BE support is now a requirement for all
> >> new dpdk code. Let us know.
>
> > I'm not sure to understand.
> > Yes DPDK must work on big endian platforms.
> > Does this patch prevent from using virtio 0.9 with big endian?
>
> No, if it worked until now, will continue to work. (And the other way around)
>
> However, if virtio 1.0 is supported by both QEMU and vhost-user,
> virtio 1.0 has different endianess requirements than prev virtio,
OK so that's an acceptable workaround: big endian platforms must use
virtio 0.9.
In order to have a big endian support of virtio 1.0, is it sufficient to
convert data? Is it something we want regarding performance?
next prev parent reply other threads:[~2015-11-01 9:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 11:08 [PATCH] vhost-user: enable virtio 1.0 Marcel Apfelbaum
2015-10-15 13:18 ` Michael S. Tsirkin
2015-10-16 2:24 ` Yuanhan Liu
2015-10-16 6:20 ` Michael S. Tsirkin
2015-10-16 6:38 ` Yuanhan Liu
2015-10-16 7:43 ` Andriy Berestovskyy
2015-10-16 7:50 ` Yuanhan Liu
2015-10-16 7:56 ` Michael S. Tsirkin
2015-10-16 13:52 ` Bruce Richardson
2015-10-18 7:04 ` Michael S. Tsirkin
2015-10-30 17:48 ` Thomas Monjalon
2015-11-01 9:00 ` Marcel Apfelbaum
2015-11-01 9:53 ` Thomas Monjalon [this message]
2015-11-01 11:22 ` Marcel Apfelbaum
2015-11-09 19:55 ` Michael S. Tsirkin
2015-11-02 22:13 ` Thomas Monjalon
2015-11-03 3:45 ` Xu, Qian Q
2015-11-03 3:49 ` Xu, Qian Q
2015-11-03 8:03 ` Marcel Apfelbaum
2015-11-03 8:16 ` Xie, Huawei
2015-11-03 8:26 ` Thomas Monjalon
2015-11-03 8:30 ` Marcel Apfelbaum
2015-11-03 8:31 ` Marcel Apfelbaum
2015-10-16 6:39 ` Yuanhan Liu
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