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From: Dave Jones <davej@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Daniel Phillips <phillips@bonn-fries.net>,
	Ian Duggan <ian@ianduggan.net>, Robert Love <rml@tech9.net>,
	linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: 2.4.18 Preempt Freezeups
Date: Sun, 17 Mar 2002 13:59:08 +0100	[thread overview]
Message-ID: <20020317135908.A4006@suse.de> (raw)
In-Reply-To: <E16mNxQ-0000mM-00@starship> <E16mROG-00083A-00@the-village.bc.nu>
In-Reply-To: <E16mROG-00083A-00@the-village.bc.nu>

On Sun, Mar 17, 2002 at 03:31:24AM +0000, Alan Cox wrote:

 > Think about profiling registers, mtrrs, msrs, and so forth. For example
 > if we had thread handling MCE traps we would hit a problem. As it happens
 > MCE is an interrupt so its all nice.

 Ah, I'm glad you mentioned this. It's reminded me that my
 timer-based 'check for non-fatal machine check and log' code
 needs some work for SMP..

 Are routines called with smp_call_function() preempt safe, or
 must they have extra locking added ?

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs

  reply	other threads:[~2002-03-17 12:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-15  1:51 2.4.18 Preempt Freezeups Ian Duggan
2002-03-15  1:54 ` Robert Love
2002-03-15  8:36   ` Ian Duggan
2002-03-15 14:25     ` Robert Love
2002-03-15 16:11       ` Mikael Pettersson
2002-03-15 19:11         ` Robert Love
2002-03-16  0:40           ` yodaiken
2002-03-16  1:46             ` Mike Fedyk
2002-03-16  3:12               ` yodaiken
2002-03-17  0:33             ` Daniel Phillips
2002-03-17  1:13               ` yodaiken
2002-03-17  1:14                 ` Daniel Phillips
2002-03-17  1:54                   ` yodaiken
2002-03-17  2:08                     ` Daniel Phillips
2002-03-17 21:17                     ` Davide Libenzi
2002-03-15 14:30     ` Alan Cox
2002-03-15 21:36       ` Ian Duggan
2002-03-15  2:11 ` Alan Cox
2002-03-15  8:38   ` Ian Duggan
2002-03-15  8:51     ` David S. Miller
2002-03-15 14:28     ` Alan Cox
2002-03-16 23:51       ` Daniel Phillips
2002-03-17  3:31         ` Alan Cox
2002-03-17 12:59           ` Dave Jones [this message]
2002-03-15  8:43   ` Daniel Phillips

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