Messages in this thread | | | Date | Thu, 9 Sep 2004 21:10:38 +0100 | From | Russell King <> | Subject | Re: [patch] generic-hardirqs-2.6.9-rc1-mm4.patch |
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On Thu, Sep 09, 2004 at 07:54:41PM +0200, Arjan van de Ven wrote: > > 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
If it uses irq_desc then ARM won't use it. irq_desc is part of the far-too-restrictive x86 IRQ handlign code which is unsuitable for ARM platforms.
Sorry, try again.
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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