Re: [patch] generic-hardirqs.patch, 2.6.9-rc1-bk14

[La Monte H.P. Yarroll]

Ingo Molnar wrote:

> the attached patch moves generic hardirq handling bits to
> kernel/hardirq.c. It is not a replacement for any of the existing IRQ
> functions, so architectures can use their existing hardirq code in an
> unmodified form. It is a library of generic functions that an
> architecture can make use of optionally.
>
> I've fully converted x86's irq.c to use the new functions, and Scott
> Wood has done the same for ppc/ppc64 as well. (the arch-ppc* changes are
> not included in this patch because i couldnt test them myself in the
> current port of this patch - but the generic bits were tested on ppc.)
>  

In the interests of full provinence, the TimeSys patches are based on
work by Andrey Panin.

> i have test-compiled and test-booted the patch on x86 and x64, on SMP &&
> PREEMPT and !SMP && !PREEMPT kernels. x64 needed only a single change (a
> setup_irq() prototype) to work fine, which makes me believe that the
> patch will not break other architectures either.
>
> (a more complex version of this patch has been tested for weeks as part
> of the voluntary-preempt patches as well.)
>
> 	Ingo
>  
--
 Anyone who quotes me in their sig is an idiot. -- Rusty Russell's sig

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