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Tsirkin" , Jason Wang , Si-Wei Liu , Eugenio Perez Martin , Xie Yongji , Stefano Garzarella , Steve Sistare Subject: [PATCH V3 0/3] flush workers on suspend Date: Mon, 20 May 2024 08:20:59 -0700 Message-Id: <1716218462-84587-1-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.12.28.16 definitions=2024-05-20_05,2024-05-17_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 bulkscore=0 suspectscore=0 spamscore=0 mlxscore=0 adultscore=0 mlxlogscore=571 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2405200122 X-Proofpoint-ORIG-GUID: gqnrVHdfhIowfQbYlsHHmaNKxkrIMo8s X-Proofpoint-GUID: gqnrVHdfhIowfQbYlsHHmaNKxkrIMo8s 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