Re: [discuss] Re: [PATCH] adjust x86-64 watchdog tick calculation

From: Pavel Machek
Date: Fri May 13 2005 - 15:00:54 EST


On Pá 13-05-05 13:30:23, Andi Kleen wrote:
> > Because it kills machine when interrupt latency gets too high?
> > Like reading battery status using i2c...
>
> That's a bug in the I2C reader then. Don't shot the messenger for bad news.

Disagreed.

Linux is not real time OS. Perhaps some real-time constraints "may not
spend > 100msec with interrupts disabled" would be healthy, but it
certainly needs more discussion than "lets enable NMI
watchdog.". It needs to be written somewhere in big bold letters, too.

Pavel
--
Boycott Kodak -- for their patent abuse against Java.
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