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From: Grant Likely <grant.likely@secretlab.ca>
Subject: Re: irq_domain fixes for v3.4-rc2
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: linux-kernel@vger.kernel.org
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References: <1334186326-22649-1-git-send-email-grant.likely@secretlab.ca> <m27gxjnaou.fsf@igel.home>
Date: Thu, 19 Apr 2012 12:31:57 -0600
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On Fri, 13 Apr 2012 13:16:49 +0200, Andreas Schwab <schwab@linux-m68k.org> wrote:
> Grant Likely <grant.likely@secretlab.ca> 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.