linux-kernel - Re: [RFC] Restrict kernel spawning of threads to a specified set of cpus.

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] [day] [month] [year] [list]

Message-ID: <CAOtvUMc-shqH=L5PEBRumMybyaGpgVQd3w03jkA6Th6CL=E8dQ@mail.gmail.com>
Date:	Sun, 15 Sep 2013 16:53:12 +0300
From:	Gilad Ben-Yossef <gilad@...yossef.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mike Frysinger <vapier@...too.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] Restrict kernel spawning of threads to a specified set of cpus.

On Thu, Sep 12, 2013 at 9:35 PM, Frederic Weisbecker <fweisbec@...il.com> wrote:

>
> Just offline the CPUs you want to isolate, affine your kthreads and re-online
> the CPUs.
>
> If you're lucky enough to have 1024 CPUs, a winter night should be enough ;-)

Great, I have 4,096 CPUs. I guess I have to wait for the winter solstice :-)

Gilad


-- 
Gilad Ben-Yossef
Chief Coffee Drinker
gilad@...yossef.com
Israel Cell: +972-52-8260388
US Cell: +1-973-8260388
http://benyossef.com

"If you take a class in large-scale robotics, can you end up in a
situation where the homework eats your dog?"
 -- Jean-Baptiste Queru
--
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/