linux-kernel - Re: [PATCH 12/13] hrtimer: create a "timer

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Message-ID: <20080913162409.GC6827@ucw.cz>
Date:	Sat, 13 Sep 2008 18:24:10 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	dwmw2@...radead.org, drepper@...hat.com, mingo@...e.hu,
	tglx@...x.de
Subject: Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in the task struct

Hi!

> > Yes, it is a great advantage, but it feels like a hack. Maybe it is
> > better done with LD_PRELOAD or something?
> 
> that's not working very well in general, and doesn't work across exec
> etc.

LD_PRELOAD should work over exec...

Another possibility would be to declare new syscalls, and have glibc
automatically use select_slack(, foo) if GLIBC_SLACK=foo.

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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