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
| ||
|
Date: Thu, 28 Nov 2013 16:18:22 +0100 From: Peter Zijlstra <peterz@...radead.org> To: Tejun Heo <htejun@...il.com> Cc: Oleg Nesterov <oleg@...hat.com>, zhang.yi20@....com.cn, lkml <linux-kernel@...r.kernel.org>, Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, Ingo Molnar <mingo@...hat.com> Subject: Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into userspace child On Thu, Nov 28, 2013 at 10:10:35AM -0500, Tejun Heo wrote: > On Thu, Nov 28, 2013 at 04:07:04PM +0100, Peter Zijlstra wrote: > > On Thu, Nov 28, 2013 at 10:02:10AM -0500, Tejun Heo wrote: > > > > So far I just see you breaking existing setups because you don't want to > > > > support things that work perfectly well. > > > > > > It doesn't work as explained multiple times in this thread. > > > > It used to.. just not on recent kernels. You know 'enterprise' latency. > > If you're talking about khelfper and wanna restore it, it really > should be broken out into a separate kthread. It doesn't make any > sense to implement that in the workqueue framework. Why would you > implement a dedicated task inside a worker pool implementation which > makes use of the said tasks? There's even kthread_work interface > which pretty much provides workqueue-equivalent interface on top of a > single task for cases like this. That would only solve one of my problems. People want to contain the unbound workqueues too. -- 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/
Powered by blists - more mailing lists