linux-kernel - Re: [PATCH V9 00/19] virtio

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Message-ID: <CACGkMEtjvycsK0JJ0G89SRr3FTHgaMTU9nRZNqqv7=yxiTqgAw@mail.gmail.com>
Date: Tue, 23 Dec 2025 09:18:47 +0800
From: Jason Wang <jasowang@...hat.com>
To: mst@...hat.com, jasowang@...hat.com, xuanzhuo@...ux.alibaba.com, 
	eperezma@...hat.com, virtualization@...ts.linux.dev, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V9 00/19] virtio_ring in order support

On Tue, Nov 25, 2025 at 3:08 PM Jason Wang <jasowang@...hat.com> wrote:
>
> Hello all:
>
> This sereis tries to implement the VIRTIO_F_IN_ORDER to
> virtio_ring. This is done by introducing virtqueue ops so we can
> implement separate helpers for different virtqueue layout/features
> then the in-order were implemented on top.
>
> Tests shows 2%-19% imporvment with packed virtqueue PPS with KVM guest
> vhost-net/testpmd on the host.
>
> Changes since V8:
>
> - Rebase to vhost.git linux-next branch
> - Fix issue when indirect descriptor is disabled
> - use UINT_MAX instead of vq->num to indicate no batching is pending
> - Tweak the comments for used_entry
> - Various coding style tweaks and typo fixes
> - Try to use in_order varianet in in_order ops

Michael, any chance to make this for this merge window?

Thanks