linux-kernel - Re: 'global' rq->clock

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]

Date:	Sat, 03 May 2008 02:05:02 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mingo@...e.hu
Cc:	a.p.zijlstra@...llo.nl, efault@....de, elendil@...net.nl,
	parag.warudkar@...il.com, linux-kernel@...r.kernel.org,
	guichaz@...oo.fr, andi@...stfloor.org
Subject: Re: 'global' rq->clock

From: Ingo Molnar <mingo@...e.hu>
Date: Sat, 3 May 2008 10:28:50 +0200

> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > Yeah, I was thinking of a way for architectures to signify how much 
> > help they need building the various clocks. Sparc, power and s390 
> > would not need any help.
> 
> there's already such a mechanism in sched-devel.git (and has been there 
> for a week or two): an architecture can set time_sync_thresh to -1LL 
> during early bootup and essentially disable all the synchronization 
> logic.

Does it remove all of the code too? :-)

Please give us a config boolean.  The only platform for which
a run-time knob is even necessary is x86.

Thanks.
--
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/