Re: irq_domain fixes for v3.4-rc2

From: Grant Likely
Date: Thu Apr 19 2012 - 14:31:59 EST


On Fri, 13 Apr 2012 13:16:49 +0200, Andreas Schwab <schwab@xxxxxxxxxxxxxx> wrote:
> Grant Likely <grant.likely@xxxxxxxxxxxx> writes:
>
> > I've pushed this out to the following branch for testing:
> >
> > git://git.secretlab.ca/git/linux-2.6 irqdomain/test
>
> That doesn't work at all. I get a warning in virq_to_hw and it hangs
> later, probably during SMP bringup due to lost IPI interrupts.

There are a bunch of bugs in the MPIC driver that Ben discovered that
only work because it just happens to be that hwirq == virq. Removing
the hint breaks the driver badly. I've backed off from that change
and instead just merged the NR_IRQS fix. After the MPIC bugs are
fixed I want to revisit removing the hint.

g.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/