linux-kernel - Re: [PATCH 2/2] fs/kernel_read_file: use usermodehelper_read

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Date:   Mon, 19 Apr 2021 18:15:14 +0000
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     rafael@...nel.org, gregkh@...uxfoundation.org,
        viro@...iv.linux.org.uk, jack@...e.cz, bvanassche@....org,
        jeyu@...nel.org, ebiederm@...ssion.com
Cc:     mchehab@...nel.org, keescook@...omium.org,
        linux-fsdevel@...r.kernel.org, kernel@...force.de,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] fs/kernel_read_file: use
 usermodehelper_read_trylock() as a stop gap

On Fri, Apr 16, 2021 at 11:58:50PM +0000, Luis Chamberlain wrote:
> The endless wait for the read which the piece of hardware never got
> stalls resume as sync calls are all asynchronous.

Sorry, this should read:

The endless wait for the read, which the piece of hardware never got,
stalls resume as all pm resume calls are serialized and synchronous.

  Luis