From: Pavel Machek <pavel@ucw.cz>
To: Jonathan Buzzard <jonathan@buzzard.org.uk>
Cc: James Blackwell <jblack@linuxguru.net>,
linux-kernel@vger.kernel.org, hch@infradead.org
Subject: Re: [PATCH] IRQ patch for Toshiba Char Driver in 2.5.34
Date: Mon, 16 Sep 2002 13:59:02 +0200 [thread overview]
Message-ID: <20020916115902.GD27545@atrey.karlin.mff.cuni.cz> (raw)
In-Reply-To: <E17qiyn-0001ZK-00@jelly.buzzard.org.uk>
Hi!
> > It would be nice to make it preempt/smp safe, through. [SMP notebooks
> > are not so unreasonable; think p4 hyperthreading].
>
> They are here. The code that is protected by cli() and friends does not
> run on any anything more fancy than a Pentium. As I recall nothing but
> mobile P90 in a Portage 610CT and a mobile P120 in a Tecra 700CDT/CDS.
Its still not safe due to preempt.
Anyway #ifdef PREEMPT bug, and comment that this is never ever used on
SMP might be enough.
Pavel
--
Casualities in World Trade Center: ~3k dead inside the building,
cryptography in U.S.A. and free speech in Czech Republic.
prev parent reply other threads:[~2002-09-16 11:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-09 11:59 James Blackwell
2002-09-09 19:39 ` Zwane Mwaikambo
2002-09-11 10:29 ` Christoph Hellwig
2002-09-15 15:42 ` Pavel Machek
2002-09-15 19:30 ` Vojtech Pavlik
2002-09-15 19:53 ` James Blackwell
2002-09-15 20:02 ` Pavel Machek
2002-09-15 22:27 ` Dave Jones
2002-09-15 23:39 ` Jonathan Buzzard
2002-09-16 11:59 ` Pavel Machek [this message]
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