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From: Lee Revell <rlrevell@joe-job.com>
To: Pavel Machek <pavel@suse.cz>
Cc: Andi Kleen <ak@suse.de>, Alexander Nyberg <alexn@telia.com>,
	Jan Beulich <JBeulich@novell.com>,
	discuss@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: [discuss] Re: [PATCH] adjust x86-64 watchdog tick calculation
Date: Fri, 13 May 2005 17:27:56 -0400	[thread overview]
Message-ID: <1116019676.6380.37.camel@mindpipe> (raw)
In-Reply-To: <20050513195215.GC3135@elf.ucw.cz>

On Fri, 2005-05-13 at 21:52 +0200, Pavel Machek wrote:
> 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
             ^^^^
You mean "microseconds", right?  100ms will be perceived by the user as,
well, their machine freezing for 100ms...

Lee


  reply	other threads:[~2005-05-13 21:34 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-12  8:27 [PATCH] adjust x86-64 watchdog tick calculation Jan Beulich
2005-05-12 10:00 ` Alexander Nyberg
2005-05-12 11:46   ` [discuss] " Andi Kleen
2005-05-12 14:29   ` Pavel Machek
2005-05-13 11:30     ` Andi Kleen
2005-05-13 19:52       ` Pavel Machek
2005-05-13 21:27         ` Lee Revell [this message]
2005-05-13 22:51           ` Pavel Machek
2005-05-13 22:56             ` Lee Revell
2005-05-13 23:21               ` Pavel Machek
2005-05-13 23:29               ` Dave Jones
2005-05-15 10:52               ` Andi Kleen
2005-05-15 10:36         ` Andi Kleen
2005-05-15 10:51           ` Pavel Machek
2005-05-15 10:54             ` Andi Kleen

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