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SubjectRe: [PATCH] x86_64: (NEW) Dynamically allocate arch specific system vectors
Ingo Molnar <> writes:

> * Eric W. Biederman <> wrote:
>> Alan Mayer <> writes:
>> > Okay, here it is as an attachment. I think my email client is munging it.
>> > I haven't been able to fix it, apparently.
>> >
>> > I, too, would like to know what Eric thinks.
>> I think arch/x86 is about to fall over from accidental complexity of
>> the irq handling. [...]
> it was in that state for many years already ;-) Unification, cleanups of
> other historic messes and the constant push for new hw support just made
> it stand out more visibly. IRQ and APIC code unification is definitely
> the final (and by far hardest) major step of x86 unification.

Well I think we are looking at the final couple of straws...

Yes unification (aka porting the infrastructure improvements
to x86_32) and then sharing the code is a piece of it.

>> [...] Looking at your problem and the problem of killing NR_IRQS I
>> spent way to much time playing with it this weekend then I should
>> have, but I think I have found a path that works and is fairly easily
>> verifiable.
> cool :-)
>> I have a patch series that gets me 90% of the way there, and the rest
>> appears easy but I don't have any time to mess with it right now. I
>> will try and post it something in the next couple of days.
> i'm very interested in it, even if it's incomplete and wont build/boot
> at all. So please consider posting your existing incomplete series as an
> RFC right now, maybe we can help finish it sooner than you will find the
> time? We can put it into a new tip/x86/irq-unification branch, without
> merging it into tip/master just yet.

Sure. Mostly I just need to allocate a few minutes to post it, later today
or tomorrow hopefully.


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