linux-kernel - Re: [PATCH] PM: add: move warn message out of mutex lock.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAJZ5v0gZ9oAByawssaARFN1_crTuMZ-CnU5Fy9D1sWv+Moo-sg@mail.gmail.com>
Date: Tue, 3 Sep 2024 15:01:52 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: David Wang <00107082@....com>
Cc: rafael@...nel.org, len.brown@...el.com, pavel@....cz, 
	gregkh@...uxfoundation.org, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PM: add: move warn message out of mutex lock.

On Mon, Sep 2, 2024 at 7:50 AM David Wang <00107082@....com> wrote:
>
> dpm_list_mtx does not protect any data used by
> dev_warn for checking parent's power, move
> dev_warn out of mutex lock block make the
> lock more efficient, especially when the warn
> is triggered.

It does protect the power.is_prepared flag of the parent.