Re: [patch] generic-hardirqs-2.6.9-rc1-mm4.patch

Arjan van de Ven
2004-09-09T18:00:25Z

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On Thu, Sep 09, 2004 at 10:53:14AM -0700, William Lee Irwin III wrote:
> On Thu, Sep 09, 2004 at 07:24:01PM +0200, Ingo Molnar wrote:
> > you can find a pretty good approximation done by Scott Wood (and Andrey
> > Panin?) in the ppc/ppc64 portion of the VP patches:
> > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc1-bk12-S0
> > basically you only have to zap some of the irq-threading changes such as
> > calls to redirect_hardirq(), do a s/generic_// and zap the PIC changes
> > (these are done for redirection too). Scott has tested those changes so
> > kernel/hardirq.c should work pretty well with ppc/ppc64.
>
> By any chance can the generic code be made not to be reliant on
> irq_desc[] and/or irq_desc[] being an array?

I would say one step at a time.
First extract out the code that most arch's share already
only THEN start working on seeing if the few remaining ones can be moved in,
and if other cleanups are appropriate

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