From: Bart Van Assche <bvanassche@acm.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>, linux-pm@vger.kernel.org
Cc: YangYang <yang.yang@vivo.com>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
Ulf Hansson <ulf.hansson@linaro.org>
Subject: Re: [PATCH v2] PM: sleep: Do not flag runtime PM workqueue as freezable
Date: Fri, 5 Dec 2025 09:10:51 -1000 [thread overview]
Message-ID: <fcecd822-a2ec-43e6-8dc4-290516e2187d@acm.org> (raw)
In-Reply-To: <12794222.O9o76ZdvQC@rafael.j.wysocki>
On 12/5/25 5:24 AM, Rafael J. Wysocki wrote:
> For example, it has been reported that blk_queue_enter() may deadlock
> during a system suspend transition because of the pm_request_resume()
> usage in it [1].
System resume is also affected. If pm_request_resume() is called before
the device it applies to is resumed by the system resume code then the
pm_request_resume() call also hangs.
Otherwise this patch looks good to me.
Thanks,
Bart.
next prev parent reply other threads:[~2025-12-05 19:11 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 10:16 [PATCH 0/2] PM: runtime: Fix potential I/O hang Yang Yang
2025-11-26 10:16 ` [PATCH 1/2] PM: runtime: Fix I/O hang due to race between resume and runtime disable Yang Yang
2025-11-26 11:30 ` Rafael J. Wysocki
2025-11-26 11:59 ` YangYang
2025-11-26 12:36 ` Rafael J. Wysocki
2025-11-26 15:33 ` Bart Van Assche
2025-11-26 15:41 ` Rafael J. Wysocki
2025-11-26 18:40 ` Bart Van Assche
2025-11-27 11:29 ` YangYang
2025-11-27 12:44 ` Rafael J. Wysocki
2025-11-28 7:20 ` YangYang
2025-12-01 16:40 ` Bart Van Assche
2025-11-26 18:06 ` Bart Van Assche
2025-11-26 19:16 ` Rafael J. Wysocki
2025-11-26 19:34 ` Rafael J. Wysocki
2025-11-26 20:17 ` Rafael J. Wysocki
2025-11-26 21:10 ` Bart Van Assche
2025-11-26 21:30 ` Rafael J. Wysocki
2025-11-26 22:47 ` Bart Van Assche
2025-11-27 12:34 ` Rafael J. Wysocki
2025-12-01 9:46 ` YangYang
2025-12-01 12:56 ` YangYang
2025-12-01 18:55 ` Rafael J. Wysocki
2025-12-02 10:33 ` YangYang
2025-12-02 12:18 ` Rafael J. Wysocki
2025-12-01 18:47 ` Rafael J. Wysocki
2025-12-01 19:58 ` [PATCH v1] PM: sleep: Do not flag runtime PM workqueue as freezable Rafael J. Wysocki
2025-12-02 1:06 ` Bart Van Assche
2025-12-02 11:53 ` Rafael J. Wysocki
2025-12-02 13:29 ` Rafael J. Wysocki
2025-12-02 10:36 ` YangYang
2025-12-02 14:58 ` Ulf Hansson
2025-12-02 0:40 ` [PATCH 1/2] PM: runtime: Fix I/O hang due to race between resume and runtime disable Bart Van Assche
2025-12-02 12:14 ` Rafael J. Wysocki
2025-12-02 13:37 ` Rafael J. Wysocki
2025-12-05 15:24 ` [PATCH v2] PM: sleep: Do not flag runtime PM workqueue as freezable Rafael J. Wysocki
2025-12-05 19:10 ` Bart Van Assche [this message]
2025-12-07 11:23 ` Rafael J. Wysocki
2025-11-26 10:16 ` [PATCH 2/2] blk-mq: Fix I/O hang caused by incomplete device resume Yang Yang
2025-11-26 11:31 ` [PATCH 0/2] PM: runtime: Fix potential I/O hang Rafael J. Wysocki
2025-11-26 15:48 ` Bart Van Assche
2025-11-26 16:59 ` Rafael J. Wysocki
2025-11-26 17:21 ` Rafael J. Wysocki
2025-11-26 17:34 ` Rafael J. Wysocki
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