linux-kernel - Re: [PATCH V7 0/2] Use virtio map API for VDUSE

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Message-ID: <CAJaqyWdAP=G=3yqs6CCQJOX6zue6RVieGGTLHt2cQrnxhL1AhA@mail.gmail.com>
Date: Thu, 25 Sep 2025 08:54:32 +0200
From: Eugenio Perez Martin <eperezma@...hat.com>
To: Jason Wang <jasowang@...hat.com>
Cc: mst@...hat.com, xuanzhuo@...ux.alibaba.com, virtualization@...ts.linux.dev, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V7 0/2] Use virtio map API for VDUSE

On Wed, Sep 24, 2025 at 9:00 AM Jason Wang <jasowang@...hat.com> wrote:
>
> Hi all:
>
> With the introduction of the virtio map API, there's no need for VDUSE
> to be hacked with DMA API to work. So this series switches to use
> virtio map API for VDUSE so VDUSE can get rid of the DMA API
> completely.
>
> Please review.
>

Reviewed-by: Eugenio Pérez <eperezma@...hat.com>


Thanks!

> Thanks
>
> Changes since V6:
>
> - Typo fixes
>
> Jason Wang (2):
>   vdpa: introduce map ops
>   vduse: switch to use virtio map API instead of DMA API
>
>  drivers/vdpa/Kconfig                     |  8 +--
>  drivers/vdpa/alibaba/eni_vdpa.c          |  3 +-
>  drivers/vdpa/ifcvf/ifcvf_main.c          |  3 +-
>  drivers/vdpa/mlx5/net/mlx5_vnet.c        |  2 +-
>  drivers/vdpa/octeon_ep/octep_vdpa_main.c |  4 +-
>  drivers/vdpa/pds/vdpa_dev.c              |  3 +-
>  drivers/vdpa/solidrun/snet_main.c        |  4 +-
>  drivers/vdpa/vdpa.c                      |  3 +
>  drivers/vdpa/vdpa_sim/vdpa_sim.c         |  2 +-
>  drivers/vdpa/vdpa_user/iova_domain.c     |  2 +-
>  drivers/vdpa/vdpa_user/iova_domain.h     |  2 +-
>  drivers/vdpa/vdpa_user/vduse_dev.c       | 79 ++++++++++++------------
>  drivers/vdpa/virtio_pci/vp_vdpa.c        |  3 +-
>  drivers/virtio/virtio_vdpa.c             |  4 +-
>  include/linux/vdpa.h                     | 10 ++-
>  include/linux/virtio.h                   |  4 ++
>  16 files changed, 74 insertions(+), 62 deletions(-)
>
> --
> 2.31.1
>