Messages in this thread | | | Date | Fri, 21 Nov 2008 15:06:52 -0800 (PST) | Subject | Re: Regression: Bisected, IRQ and MSI allocations screwed without sparse irq | From | David Miller <> |
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From: Jesper Dangaard Brouer <hawk@diku.dk> Date: Fri, 21 Nov 2008 20:35:32 +0100 (CET)
> On Fri, 21 Nov 2008, Thomas Gleixner wrote: > > > On Fri, 21 Nov 2008, Jesper Dangaard Brouer wrote: > >>> Can you please try the attached patch ? > >> > >> I have tried the patch and it solved the problem! :-) > >> > >> I'll gladly test other patches from your. Guess this patch needs to be > >> brushed up before a mainline patch is ready. > > > > Ok, I queue it for mainline. This solves just the number of irqs > > limitation, the rmmod problem still persists, right ? > > It solves both the irq limit and the NIU driver unload bug.
I think it "solves" the unload BUG because the driver never has to fallback to IO_APIC irqs and abort trying to use MSI-X any longer.
Only the IRQ limit bug is fixed by Thomas's patch.
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