From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>, qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>, "Thomas Huth" <thuth@redhat.com>,
qemu-block@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>,
"Max Reitz" <mreitz@redhat.com>,
"Alex Bennée" <alex.bennee@linaro.org>
Subject: Re: [PATCH 3/3] configure: mark vhost-user Linux-only
Date: Wed, 11 Nov 2020 10:23:42 +0100 [thread overview]
Message-ID: <dd717b66-22fa-9bb5-dfcd-9191d743401d@redhat.com> (raw)
In-Reply-To: <20201110171121.1265142-4-stefanha@redhat.com>
On 11/10/20 6:11 PM, Stefan Hajnoczi wrote:
> The vhost-user protocol uses the Linux eventfd feature and is typically
> connected to Linux kvm.ko ioeventfd and irqfd file descriptors. The
> protocol specification in docs/interop/vhost-user.rst does not describe
> how platforms without eventfd support work.
>
> The QEMU vhost-user devices compile on other POSIX host operating
> systems because eventfd usage is abstracted in QEMU. The libvhost-user
> programs in contrib/ do not compile but we failed to notice since they
> are not built by default.
>
> Make it clear that vhost-user is only supported on Linux for the time
> being. If someone wishes to support it on other platforms then the
> details can be added to vhost-user.rst and CI jobs can test the feature
> to prevent bitrot.
>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> configure | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
prev parent reply other threads:[~2020-11-11 9:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 17:11 [PATCH 0/3] vhost-user: ./configure improvements for 5.2 Stefan Hajnoczi
2020-11-10 17:11 ` [PATCH 1/3] meson: move vhost_user_blk_server to meson.build Stefan Hajnoczi
2020-11-11 9:41 ` Philippe Mathieu-Daudé
2020-11-11 11:44 ` Philippe Mathieu-Daudé
2020-11-11 11:54 ` Philippe Mathieu-Daudé
2020-11-12 10:58 ` Stefan Hajnoczi
2020-11-10 17:11 ` [PATCH 2/3] vhost-user-blk-server: depend on CONFIG_VHOST_USER Stefan Hajnoczi
2020-11-11 9:25 ` Philippe Mathieu-Daudé
2020-11-11 14:16 ` Stefan Hajnoczi
2020-11-10 17:11 ` [PATCH 3/3] configure: mark vhost-user Linux-only Stefan Hajnoczi
2020-11-10 17:44 ` Thomas Huth
2020-11-11 9:23 ` Philippe Mathieu-Daudé [this message]
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