linux-kernel - Re: [PATCH V2 0/3] flush workers on suspend

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Message-ID: <83e12387-e9b6-4a06-a38e-0f9888cd4e88@oracle.com>
Date: Tue, 13 Feb 2024 10:10:31 -0500
From: Steven Sistare <steven.sistare@...cle.com>
To: virtualization@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Cc: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
        Si-Wei Liu <si-wei.liu@...cle.com>,
        Eugenio Perez Martin <eperezma@...hat.com>,
        Xie Yongji <xieyongji@...edance.com>,
        Stefano Garzarella <sgarzare@...hat.com>
Subject: Re: [PATCH V2 0/3] flush workers on suspend

On 2/12/2024 12:16 PM, Steve Sistare wrote:
> Flush to guarantee no workers are running when suspend returns,
> for vdpa, vpa_sim, and vduse.  (mlx5 already does so, via the path
> mlx5_vdpa_suspend -> unregister_link_notifier -> flush_workqueue.)

Changes in V2:
  - renamed "vduse: suspend" (was vduse: flush workers on suspend)
  - call vhost_dev_flush unconditionally in "vhost-vdpa: flush workers on suspend"

- Steve

> Steve Sistare (3):
>   vhost-vdpa: flush workers on suspend
>   vduse: suspend
>   vdpa_sim: flush workers on suspend
> 
>  drivers/vdpa/vdpa_sim/vdpa_sim.c   | 13 +++++++++++++
>  drivers/vdpa/vdpa_user/vduse_dev.c | 24 ++++++++++++++++++++++++
>  drivers/vhost/vdpa.c               |  3 +++
>  3 files changed, 40 insertions(+)
>