RE: [RFC][2.6.12.3] IRQ compression/sharing patch

Protasevich, Natalie
2005-08-11T22:03:47Z

> On Wed, 10 Aug 2005, Protasevich, Natalie wrote:
>
> > our systems we are just about to use up all 224 interrupts, but not
> > quiet.
> > I have to mention that as far as I know Zwane is about to
> release his
> > vector sharing mechanism, he had it implemented and working
> for i386
> > (I tested it on ES7000 successfully, by itself and combined with
> > compression patch too), and was planning implementing it
> for x86_64. I
> > am officially volunteering for testing it in its present state, for
> > both
> > i386 and x86_64 (I can still do this on our systems by removing the
> > IRQ compression code :), hope this will help Zwane and Andi
> to release
> > it as soon as possible.
>
> I added some of the suggestions brought forward (dynamically
> allocated IDTs, percpu IDT) last night, all that's left is
> MSI, which does work right now, but gets all its vectors
> allocated on the first irq handling domain. I should be done
> soon, time permitting.

Zwane, please let me know when I can try it on ES7000, even work in
progress if you need it (see above about volunteering :)

Regards,
--Natalie