From: Philipp Kohlbecher <xt28@gmx.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, John Stultz <johnstul@us.ibm.com>
Subject: Re: clocksources: order of preference
Date: Thu, 08 May 2008 13:07:55 +0200 [thread overview]
Message-ID: <4822DF0B.8080109@gmx.de> (raw)
In-Reply-To: <alpine.LFD.1.10.0805081243570.3318@apollo.tec.linutronix.de>
Thomas Gleixner wrote:
> We also check the TSC with a watchdog mechanism, which verifies that
> is is keeping accurate time. When we detect that TSC does not, we
> replace it by the next available clock source.
>
True. In all the cases I know, the watchdog mechanism worked and marked
the TSC as unstable. The soft lockup only led to a (sometimes
considerable) delay at boot time.
> You may submit one, but it's very unlikely that is gets applied. :)
>
Makes sense. :)
Thank you for your extremely quick reply!
- Philipp Kohlbecher
next prev parent reply other threads:[~2008-05-08 11:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-08 10:40 clocksources: order of preference Philipp Kohlbecher
2008-05-08 10:59 ` Thomas Gleixner
2008-05-08 11:07 ` Philipp Kohlbecher [this message]
2008-05-08 11:46 ` Thomas Gleixner
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