linux-kernel - Re: [PATCH v4 0/2] vdpasim: support doorbell mapping

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Message-ID: <20230310035915-mutt-send-email-mst@kernel.org>
Date:   Fri, 10 Mar 2023 03:59:40 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     "Longpeng(Mike)" <longpeng2@...wei.com>
Cc:     jasowang@...hat.com, stefanha@...hat.com, sgarzare@...hat.com,
        arei.gonglei@...wei.com, yechuan@...wei.com,
        huangzhichao@...wei.com, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, eperezma@...hat.com
Subject: Re: [PATCH v4 0/2] vdpasim: support doorbell mapping

On Mon, Feb 27, 2023 at 05:18:55PM +0800, Longpeng(Mike) wrote:
> From: Longpeng <longpeng2@...wei.com>
> 
> This patchset supports doorbell mapping for vdpasim devices.
> 
> v3: https://lore.kernel.org/lkml/20230213070446-mutt-send-email-mst@kernel.org/T/
> v2: https://lore.kernel.org/lkml/CACGkMEtdT5fG=ffbpQadkGmzHf6Ax-+L50LsriYqJaW++natMg@mail.gmail.com/T/

Pls fix issues found by 0-day and repost.

> Changes v3->v4:
>     - use WRITE_ONCE  [Jason]
>     - start/stop periodic work when create/destroy vdpasim device  [Jason]
> 
> Changes v2->v3:
>     - add a new callback named get_vq_notification_pgprot to vdpa_config_ops [Jason]
>     - remove the new added module parameter 'parameter' [Jason]
>     - opencode the schedule/cancel_delayed() [Jason]
> 
> Changes v1->v2:
>     - support both kick mode and passthrough mode. [Jason]
>     - poll the notify register first. [Jason, Michael]
> 
> Longpeng (2):
>   vdpa: support specify the pgprot of vq notification area
>   vdpasim: support doorbell mapping
> 
>  drivers/vdpa/vdpa_sim/vdpa_sim.c | 67 ++++++++++++++++++++++++++++++++
>  drivers/vdpa/vdpa_sim/vdpa_sim.h |  3 ++
>  drivers/vhost/vdpa.c             |  4 +-
>  include/linux/vdpa.h             |  9 +++++
>  4 files changed, 82 insertions(+), 1 deletion(-)
> 
> -- 
> 2.23.0