From: Cornelia Huck <cohuck@redhat.com>
To: Marc Hartmayer <mhartmay@linux.ibm.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel@nongnu.org, "Halil Pasic" <pasic@linux.ibm.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [RFC 0/4] Enable virtio-fs on s390x
Date: Thu, 25 Jun 2020 12:17:55 +0200 [thread overview]
Message-ID: <20200625121755.24940841.cohuck@redhat.com> (raw)
In-Reply-To: <20200625100430.22407-1-mhartmay@linux.ibm.com>
On Thu, 25 Jun 2020 12:04:26 +0200
Marc Hartmayer <mhartmay@linux.ibm.com> wrote:
> This RFC is about enabling virtio-fs on s390x. For that we need
> + some shim code (first patch), and we need
> + libvhost-user to deal with virtio endiannes as mandated by the spec.
>
> The second part is trickier, because unlike QEMU we are not certain
> about the guest's native endianness, which is needed to handle the
> legacy-interface appropriately. In fact, this is the reason why just
> RFC.
>
> One of the open questions is whether to build separate versions, one
> for guest little endian and one for guest big endian, or do we want
> something like a command line option? (Digression on the libvirt
> modeling)
>
> A third option would be to refuse legacy altogether.
The third option looks the most tempting to me. It is a new device, so
I don't think there's much of a case to be made for pre-virtio-1
support?
next prev parent reply other threads:[~2020-06-25 10:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-25 10:04 [RFC 0/4] Enable virtio-fs on s390x Marc Hartmayer
2020-06-25 10:04 ` [RFC 1/4] virtio: add vhost-user-fs-ccw device Marc Hartmayer
2020-06-25 10:50 ` Cornelia Huck
2020-06-25 10:04 ` [RFC 2/4] libvhost-user: print invalid address on vu_panic Marc Hartmayer
2020-06-25 10:04 ` [RFC 3/4] libvhost-user: handle endianness as mandated by the spec Marc Hartmayer
2020-06-25 10:04 ` [RFC 4/4] HACK: Hard-code the libvhost-user.o-cflags for s390x Marc Hartmayer
2020-06-25 10:13 ` [RFC 0/4] Enable virtio-fs on s390x no-reply
2020-06-25 10:16 ` no-reply
2020-06-25 10:17 ` Cornelia Huck [this message]
2020-06-25 12:13 ` Halil Pasic
2020-06-25 10:19 ` Daniel P. Berrangé
2020-06-25 10:31 ` Cornelia Huck
2020-06-25 10:39 ` Daniel P. Berrangé
2020-06-25 10:46 ` Cornelia Huck
2020-06-25 11:07 ` Dr. David Alan Gilbert
2020-06-25 12:21 ` Halil Pasic
2020-06-29 12:53 ` Stefan Hajnoczi
2020-06-29 13:07 ` Daniel P. Berrangé
2020-06-30 9:04 ` Stefan Hajnoczi
2020-06-30 9:39 ` Cornelia Huck
2020-07-02 10:01 ` Michael S. Tsirkin
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=20200625121755.24940841.cohuck@redhat.com \
--to=cohuck@redhat.com \
--cc=berrange@redhat.com \
--cc=marcandre.lureau@redhat.com \
--cc=mhartmay@linux.ibm.com \
--cc=mst@redhat.com \
--cc=pasic@linux.ibm.com \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@redhat.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).