linux-kernel - Re: [PATCH v2 00/10] optimize freezing tasks by reducing task wakeups

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]

Message-ID: <20130507181237.GE5531@mtj.dyndns.org>
Date:	Tue, 7 May 2013 11:12:37 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Colin Cross <ccross@...roid.com>
Cc:	linux-kernel@...r.kernel.org, Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mandeep Singh Baines <msb@...omium.org>,
	Oleg Nesterov <oleg@...hat.com>, linux-nfs@...r.kernel.org,
	linux-pm@...r.kernel.org, netdev@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v2 00/10] optimize freezing tasks by reducing task wakeups

Hello,

On Mon, May 06, 2013 at 04:50:05PM -0700, Colin Cross wrote:
> On slow cpus the large number of task wakeups and context switches
> triggered by freezing and thawing tasks can take a significant amount
> of cpu time.  This patch series reduces the amount of work done during
> freezing tasks by avoiding waking up tasks that are already in a freezable
> state.

For the whole series,

 Acked-by: Tejun Heo <tj@...nel.org>

Thanks a lot!

-- 
tejun
--
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/