linux-kernel - Re: [PATCH] freezer: use smp barriers

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Mon, 25 Apr 2011 10:38:32 +0200
From:	Pavel Machek <pavel@....cz>
To:	Mike Frysinger <vapier@...too.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	linux-pm@...ts.linux-foundation.org
Subject: Re: [PATCH] freezer: use smp barriers

On Mon 2011-04-25 03:31:05, Mike Frysinger wrote:
> The freezer processes are dealing with multiple threads running
> simultaneously, and on a UP system, the memory reads/writes do
> not need barriers to keep things in sync.  These are only needed
> on SMP systems, so use SMP barriers instead.
> 
> Signed-off-by: Mike Frysinger <vapier@...too.org>

ACK.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/