From: "Michael S. Tsirkin" <mst@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Fam Zheng <famz@redhat.com>, qemu-devel <qemu-devel@nongnu.org>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] virtio-pci msix error
Date: Wed, 20 May 2015 11:58:15 +0200 [thread overview]
Message-ID: <20150520115740-mutt-send-email-mst@redhat.com> (raw)
In-Reply-To: <CAFEAcA8Up48WkbgNdyyXQKJQhJj=G-NHde8fwKwsdSTPpxEkRg@mail.gmail.com>
On Tue, May 19, 2015 at 09:11:26PM +0100, Peter Maydell wrote:
> On 19 May 2015 at 20:16, Michael S. Tsirkin <mst@redhat.com> wrote:
> > On Tue, May 19, 2015 at 08:54:36AM -0700, Richard Henderson wrote:
> >> Re patch c7ff5482. What's the point of this error?
> >> It's going to always appear for older targets that
> >> predate such new fangled things as msix.
> >>
> >> Obviously the patch has been there a while, and it's
> >> not actually causing any problems, but today it got
> >> on my nerves...
>
> > So don't specify nvectors > 0 for these platforms then?
>
> How do you do that? I did a quick 'git grep' for nvectors
> and none of the hits are in platform-dependent code...
>
> Why can't the virtio-pci device automatically detect
> whether the PCI bus it's plugged into supports MSIx
> and just do the right thing?
>
> -- PMM
I mean why does *user* specify nvectors > 0?
--
MST
next prev parent reply other threads:[~2015-05-20 9:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-19 15:54 [Qemu-devel] virtio-pci msix error Richard Henderson
2015-05-19 19:16 ` Michael S. Tsirkin
2015-05-19 20:11 ` Peter Maydell
2015-05-19 20:29 ` [Qemu-devel] [PATCH] virtio: Notice when the system doesn't support MSIx at all Richard Henderson
2015-05-20 9:59 ` Michael S. Tsirkin
2015-05-20 15:10 ` Richard Henderson
2015-05-21 18:51 ` Mark Cave-Ayland
2015-07-03 8:22 ` Mark Cave-Ayland
2015-07-06 10:38 ` Peter Maydell
2015-09-27 14:40 ` Peter Maydell
2015-10-26 9:44 ` Mark Cave-Ayland
2015-10-26 10:03 ` Michael S. Tsirkin
2015-10-26 10:09 ` Mark Cave-Ayland
2015-10-26 10:14 ` Peter Maydell
2015-10-26 10:29 ` Michael S. Tsirkin
2015-10-26 10:47 ` Mark Cave-Ayland
2015-10-26 11:08 ` Michael S. Tsirkin
2015-05-20 9:58 ` Michael S. Tsirkin [this message]
2015-05-20 10:41 ` [Qemu-devel] virtio-pci msix error Peter Maydell
2015-05-20 11:55 ` Fam Zheng
2015-05-20 12:10 ` Peter Maydell
2015-06-13 15:06 ` Mark Cave-Ayland
2015-07-03 8:13 ` Mark Cave-Ayland
2015-07-03 8:16 ` Peter Maydell
2015-07-03 8:19 ` Mark Cave-Ayland
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=20150520115740-mutt-send-email-mst@redhat.com \
--to=mst@redhat.com \
--cc=famz@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
--cc=rth@twiddle.net \
/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.