From: Avi Kivity <avi@cloudius-systems.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
"Zhangjie (HZ)" <zhangjie14@huawei.com>
Cc: liuyongan@huawei.com, qinchuanyu@huawei.com,
Jason Wang <jasowang@redhat.com>,
akong@redhat.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [QA-virtio]:Why vring size is limited to 1024?
Date: Wed, 08 Oct 2014 10:43:07 +0300 [thread overview]
Message-ID: <5434EB0B.8010800@cloudius-systems.com> (raw)
In-Reply-To: <20140930093356.GA3673@redhat.com>
On 09/30/2014 12:33 PM, Michael S. Tsirkin wrote:
> a single descriptor might use all of
> the virtqueue. In this case we wont to be able to pass the
> descriptor directly to linux as a single iov, since
>
You could separate maximum request scatter/gather list size from the
virtqueue size. They are totally unrelated - even now you can have a
larger request by using indirect descriptors.
next prev parent reply other threads:[~2014-10-08 7:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-30 8:36 [Qemu-devel] [QA-virtio]:Why vring size is limited to 1024? Zhangjie (HZ)
2014-09-30 9:33 ` Michael S. Tsirkin
2014-10-08 7:17 ` Zhangjie (HZ)
2014-10-08 7:37 ` Michael S. Tsirkin
2014-10-08 8:07 ` Zhangjie (HZ)
2014-10-08 9:13 ` Michael S. Tsirkin
2014-10-08 7:43 ` Avi Kivity [this message]
2014-10-08 8:26 ` Zhangjie (HZ)
2014-10-08 9:15 ` Michael S. Tsirkin
2014-10-08 9:51 ` Avi Kivity
2014-10-08 10:14 ` Michael S. Tsirkin
2014-10-08 10:37 ` Avi Kivity
2014-10-08 10:55 ` Michael S. Tsirkin
2014-10-08 10:59 ` Avi Kivity
2014-10-08 12:22 ` Michael S. Tsirkin
2014-10-08 12:28 ` Avi Kivity
2014-10-08 12:36 ` Avi Kivity
2014-10-08 11:00 ` Avi Kivity
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5434EB0B.8010800@cloudius-systems.com \
--to=avi@cloudius-systems.com \
--cc=akong@redhat.com \
--cc=jasowang@redhat.com \
--cc=liuyongan@huawei.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=qinchuanyu@huawei.com \
--cc=zhangjie14@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.