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Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation
From: |
Stefan Hajnoczi |
Subject: |
Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation |
Date: |
Fri, 13 Dec 2019 11:29:32 +0000 |
User-agent: |
Mutt/1.12.1 (2019-06-15) |
On Mon, Dec 09, 2019 at 11:07:59AM +0000, Stefan Hajnoczi wrote:
> The following MSI-X vectors are required:
> * VIRTIO Configuration Change
> * hiprio virtqueue
> * requests virtqueues
>
> Fix the calculation to reserve enough MSI-X vectors. Otherwise guest
> drivers fall back to a sub-optional configuration where all virtqueues
> share a single vector.
>
> This change does not break live migration compatibility since
> vhost-user-fs-pci devices are not migratable yet.
>
> Reported-by: Vivek Goyal <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> hw/virtio/vhost-user-fs-pci.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block
Stefan
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- [PATCH] virtio-fs: fix MSI-X nvectors calculation, Stefan Hajnoczi, 2019/12/09
- Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation, Dr. David Alan Gilbert, 2019/12/09
- Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation, no-reply, 2019/12/09
- Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation, no-reply, 2019/12/09
- Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation, Michael S. Tsirkin, 2019/12/11
- Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation, Dr. David Alan Gilbert, 2019/12/13
- Re: [PATCH] virtio-fs: fix MSI-X nvectors calculation,
Stefan Hajnoczi <=