linux-kernel - Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23

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Message-ID: <20071211005353.55bcbc1e@inria.fr>
Date:	Tue, 11 Dec 2007 00:53:53 +0100
From:	Guillaume Chazarain <guichaz@...oo.fr>
To:	Stefano Brivio <stefano.brivio@...imi.it>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>, rjw@...k.pl,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23

Stefano Brivio <stefano.brivio@...imi.it> wrote:

> Sorry for disappearing. Anyway, yes, those patches fixed it. Precision in
> delays isn't that good when using my crappy unstable TSC (mdelay(2000)
> causes delays between 2 and 2.9 seconds) but it's not depending on frequency
> changes anymore. So I'd say it's fixed, but please tell me if you want me
> to do any other test so as to be sure it is.

Ingo,

it seems you dropped http://lkml.org/lkml/2007/12/7/100 (cpu_clock()
based udelay), so how udelay can be affected by your proposed changes?

Thanks.

-- 
Guillaume
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