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

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Message-ID: <20251222202855-mutt-send-email-mst@kernel.org>
Date: Mon, 22 Dec 2025 20:29:07 -0500
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Jason Wang <jasowang@...hat.com>
Cc: 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, Dec 23, 2025 at 09:18:47AM +0800, Jason Wang wrote:
> 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

want to fix last minor comments?