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Message-ID: <9b6e7d55-6a1f-490e-98c7-3c04f85f7444@acm.org>
Date: Wed, 26 Nov 2025 07:33:58 -0800
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Subject: Re: [PATCH 1/2] PM: runtime: Fix I/O hang due to race between resume
 and runtime disable
To: "Rafael J. Wysocki" <rafael@kernel.org>, YangYang <yang.yang@vivo.com>
Cc: Jens Axboe <axboe@kernel.dk>, Pavel Machek <pavel@kernel.org>,
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From: Bart Van Assche <bvanassche@acm.org>
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On 11/26/25 4:36 AM, Rafael J. Wysocki wrote:
> Well, the code as is now schedules an async resume of the device and
> then waits for it to complete.  It would be more straightforward to
> resume the device synchronously IMV.

That would increase the depth of the call stack significantly. I'm not
sure that's safe in this context.

Thanks,

Bart.