Re: [PATCH] IRQ patch for Toshiba Char Driver in 2.5.34

From: Pavel Machek (
Date: Mon Sep 16 2002 - 06:59:02 EST


> > 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.

Casualities in World Trade Center: ~3k dead inside the building,
cryptography in U.S.A. and free speech in Czech Republic.
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