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Re: [PATCH 3/3] configure: mark vhost-user Linux-only
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH 3/3] configure: mark vhost-user Linux-only |
Date: |
Wed, 11 Nov 2020 10:23:42 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 |
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>
- [PATCH 1/3] meson: move vhost_user_blk_server to meson.build, (continued)
[PATCH 2/3] vhost-user-blk-server: depend on CONFIG_VHOST_USER, Stefan Hajnoczi, 2020/11/10
[PATCH 3/3] configure: mark vhost-user Linux-only, Stefan Hajnoczi, 2020/11/10