From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Usama Arif <usama.arif@bytedance.com>,
virtio-dev@lists.oasis-open.org, ndragazis@arrikto.com,
fam.zheng@bytedance.com, liangma@liangbit.com
Subject: [virtio-dev] Re: [PATCH v3 3/4] content: Introduce driver/device auxiliary notifications for MMIO
Date: Mon, 31 Oct 2022 11:45:55 -0400 [thread overview]
Message-ID: <20221031114132-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <Y1r3wEnQwTsZqGWg@fedora>
On Thu, Oct 27, 2022 at 05:27:28PM -0400, Stefan Hajnoczi wrote:
> On Fri, Oct 07, 2022 at 05:56:42PM +0100, Usama Arif wrote:
> > This includes the additions to the corresponding device and driver
> > conformances.
> >
> > Signed-off-by: Usama Arif <usama.arif@bytedance.com>
> > Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
>
> You can keep this. One thought:
>
> I realized that virtio-mmio support won't be very useful until
> virtio-mmio gets MSI-X support because drivers currently cannot
> differentiate between device auxiliary notifications.
>
> Stefan
The big issue with MSI is it actually needs a ton of registers
for interrupt rebalancing, masking etc and they need to be fast.
Maybe a status bit like pci has makes sense here.
--
MST
---------------------------------------------------------------------
To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org
For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org
next prev parent reply other threads:[~2022-10-31 15:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-07 16:56 [virtio-dev] [PATCH v3 0/4] Introduce aux. notifications and virtio-vhost-user Usama Arif
2022-10-07 16:56 ` [virtio-dev] [PATCH v3 1/4] content: Introduce driver/device auxiliary notifications Usama Arif
2022-10-11 9:20 ` Cornelia Huck
2022-10-11 16:58 ` Usama Arif
2022-10-27 20:05 ` [virtio-dev] " Stefan Hajnoczi
2022-10-28 10:05 ` [virtio-dev] Re: [External] " Usama Arif
2022-10-07 16:56 ` [virtio-dev] [PATCH v3 2/4] content: Introduce driver/device aux. notification cfg type for PCI Usama Arif
2022-10-27 21:22 ` [virtio-dev] " Stefan Hajnoczi
2022-10-07 16:56 ` [virtio-dev] [PATCH v3 3/4] content: Introduce driver/device auxiliary notifications for MMIO Usama Arif
2022-10-27 21:27 ` [virtio-dev] " Stefan Hajnoczi
2022-10-31 14:22 ` [virtio-dev] Re: [External] " Usama Arif
2022-10-31 15:47 ` Michael S. Tsirkin
2022-10-31 17:26 ` Stefan Hajnoczi
2022-10-31 15:45 ` Michael S. Tsirkin [this message]
2022-10-31 17:24 ` [virtio-dev] " Stefan Hajnoczi
2022-10-31 19:33 ` Michael S. Tsirkin
2022-10-07 16:56 ` [virtio-dev] [PATCH v3 4/4] vhost-user: add vhost-user device type Usama Arif
2022-10-27 19:54 ` [virtio-dev] Re: [PATCH v3 0/4] Introduce aux. notifications and virtio-vhost-user Stefan Hajnoczi
2022-10-28 16:36 ` 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=20221031114132-mutt-send-email-mst@kernel.org \
--to=mst@redhat.com \
--cc=fam.zheng@bytedance.com \
--cc=liangma@liangbit.com \
--cc=ndragazis@arrikto.com \
--cc=stefanha@redhat.com \
--cc=usama.arif@bytedance.com \
--cc=virtio-dev@lists.oasis-open.org \
/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.