linux-kernel - Re: Slow down stupid pounders

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: <20140506112204.GB25013@pd.tnic>
Date:	Tue, 6 May 2014 13:22:04 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	lkml <linux-kernel@...r.kernel.org>, x86-ml <x86@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Mel Gorman <mgorman@...e.com>,
	Mike Galbraith <mgalbraith@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Slow down stupid pounders

On Tue, May 06, 2014 at 07:08:54AM -0400, Steven Rostedt wrote:
> Hey, I'm one of those that jerk off to CPU hotplug stress test scripts!

I know you are, Mike gave me your script. Like you haven't done enough!

:-P

> We were just bitching about this yesterday, but -rt related. As
> anything crap in mainline just becomes exponentially more crap in -rt.
> The CPU hotplug case becomes a mountain of crap that we just dig
> tunnels through to get by.
> 
> A while ago Thomas had a proof of concept patch I believe that was
> suppose to pick up traction but unfortunately never went anywhere, even
> after being told it would.
> 
> The real option is to rewrite cpu hotplug.

I know, and we might get lucky, after all.

I'm proposing this as a temporary thing until we have the real deal in
place. I simply would like to shoo those pounding beaks in the interim.

:-)

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--
--
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/