linux-kernel - Re: [PATCH RFC] ioctl based CAT interface

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: <20151113165100.GI17308@twins.programming.kicks-ass.net>
Date:	Fri, 13 Nov 2015 17:51:00 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	Luiz Capitulino <lcapitulino@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vikas Shivappa <vikas.shivappa@...el.com>,
	Tejun Heo <tj@...nel.org>, Yu Fenghua <fenghua.yu@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC] ioctl based CAT interface

On Fri, Nov 13, 2015 at 02:39:33PM -0200, Marcelo Tosatti wrote:
> + * 	* one tcrid entry can be in different locations 
> + * 	  in different sockets.

NAK on that without cpuset integration.

I do not want freely migratable tasks having radically different
performance profiles depending on which CPU they land.


--
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/