netdev - Re: [PATCH 0/2] vDPA/ifcvf: enable multiqueue and control vq

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Message-ID: <CACGkMEsjyx9GDwm1tNtRozC4ooN_QFXBGL20yqc029PKVH2L-w@mail.gmail.com>
Date:   Thu, 19 Aug 2021 15:15:50 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Zhu, Lingshan" <lingshan.zhu@...el.com>
Cc:     mst <mst@...hat.com>,
        virtualization <virtualization@...ts.linux-foundation.org>,
        netdev <netdev@...r.kernel.org>, kvm <kvm@...r.kernel.org>
Subject: Re: [PATCH 0/2] vDPA/ifcvf: enable multiqueue and control vq

On Thu, Aug 19, 2021 at 2:50 PM Zhu, Lingshan <lingshan.zhu@...el.com> wrote:
>
>
>
> On 8/19/2021 12:11 PM, Jason Wang wrote:
> >
> > 在 2021/8/18 下午5:57, Zhu Lingshan 写道:
> >> This series enables multi-queue and control vq features
> >> for ifcvf.
> >>
> >> These patches are based on my previous vDPA/ifcvf management link
> >> implementation series:
> >> https://lore.kernel.org/kvm/20210812032454.24486-2-lingshan.zhu@intel.com/T/
> >>
> >>
> >> Thanks!
> >>
> >> Zhu Lingshan (2):
> >>    vDPA/ifcvf: detect and use the onboard number of queues directly
> >>    vDPA/ifcvf: enable multiqueue and control vq
> >>
> >>   drivers/vdpa/ifcvf/ifcvf_base.c |  8 +++++---
> >>   drivers/vdpa/ifcvf/ifcvf_base.h | 19 ++++---------------
> >>   drivers/vdpa/ifcvf/ifcvf_main.c | 32 +++++++++++++++-----------------
> >>   3 files changed, 24 insertions(+), 35 deletions(-)
> >>
> >
> > Patch looks good.
> >
> > I wonder the compatibility. E.g does it work on the qemu master
> > without cvq support? (mq=off or not specified)
> Hi Jason,
>
> Yes, it works with qemu master. When no cvq/mq support, only one queue
> pair shown.

Good to know this.

Thanks

>
> Thanks,
> Zhu Lingshan
> >
> > Thanks
> >
>