linux-kernel - [PATCH V3 0/3] flush workers on suspend

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Date: Mon, 20 May 2024 08:20:59 -0700
From: Steve 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>,
        Steve Sistare <steven.sistare@...cle.com>
Subject: [PATCH V3 0/3] flush workers on suspend

Flush to guarantee no workers are running when suspend returns,
for vdpa, vdpa_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"

Changes in v3:
  - rewrote vdpa_sim patch

Steve Sistare (3):
  vhost-vdpa: flush workers on suspend
  vduse: suspend
  vdpa_sim: flush workers on suspend

 drivers/vdpa/vdpa_sim/vdpa_sim.c   | 16 ++++++++++++++--
 drivers/vdpa/vdpa_sim/vdpa_sim.h   |  1 +
 drivers/vdpa/vdpa_user/vduse_dev.c | 24 ++++++++++++++++++++++++
 drivers/vhost/vdpa.c               |  3 +++
 4 files changed, 42 insertions(+), 2 deletions(-)

-- 
2.39.3