linux-kernel - Re: [patch] sched: prevent bound kthreads from changing 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] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080610102858.GE19136@elte.hu>
Date:	Tue, 10 Jun 2008 12:28:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Paul Menage <menage@...gle.com>, Paul Jackson <pj@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] sched: prevent bound kthreads from changing
	cpus_allowed


* David Rientjes <rientjes@...gle.com> wrote:

> Kthreads that have called kthread_bind() are bound to specific cpus, 
> so other tasks should not be able to change their cpus_allowed from 
> under them.  Otherwise, it is possible to move kthreads, such as the 
> migration or software watchdog threads, so they are not allowed access 
> to the cpu they work on.

applied to tip/sched-devel, thanks David.

	Ingo
--
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/