linux-kernel - Re: [tip:sched/core] sched: Ensure that a child can't gain time over it's parent after fork()

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: <20090908114927.GA1649@elte.hu>
Date:	Tue, 8 Sep 2009 13:49:27 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	a.p.zijlstra@...llo.nl, efault@....de, jens.axboe@...cle.com,
	tglx@...utronix.de
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:sched/core] sched: Ensure that a child can't gain time
	over it's parent after fork()


* tip-bot for Mike Galbraith <efault@....de> wrote:

> Commit-ID:  b5d9d734a53e0204aab0089079cbde2a1285a38f
> Gitweb:     http://git.kernel.org/tip/b5d9d734a53e0204aab0089079cbde2a1285a38f
> Author:     Mike Galbraith <efault@....de>
> AuthorDate: Tue, 8 Sep 2009 11:12:28 +0200
> Committer:  Ingo Molnar <mingo@...e.hu>
> CommitDate: Tue, 8 Sep 2009 13:15:34 +0200
> 
> sched: Ensure that a child can't gain time over it's parent after fork()

> This improves latencies of make -j<n> kernel build workloads.
> 
> Reported-by: Jens Axboe <jens.axboe@...cle.com>

Jens, mind trying this patch (or latest tip:master) with your make 
-j4 workload, does it improve in any way?

	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/