From: Grant Likely <grant.likely@secretlab.ca>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: irq_domain fixes for v3.4-rc2
Date: Thu, 19 Apr 2012 12:31:57 -0600 [thread overview]
Message-ID: <20120419183157.EC9543E0700@localhost> (raw)
In-Reply-To: <m27gxjnaou.fsf@igel.home>
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.
prev parent reply other threads:[~2012-04-19 18:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-11 23:18 irq_domain fixes for v3.4-rc2 Grant Likely
2012-04-11 23:18 ` [PATCH 1/3] irq_domain: remove "hint" when allocating irq numbers Grant Likely
2012-04-11 23:44 ` Benjamin Herrenschmidt
2012-04-12 0:11 ` Grant Likely
2012-04-11 23:18 ` [PATCH 2/3] irq_domain: eliminate slow-path revmap lookups Grant Likely
2012-04-11 23:18 ` [PATCH 3/3] irq_domain: Move irq_virq_count into NOMAP revmap Grant Likely
2012-04-11 23:20 ` irq_domain fixes for v3.4-rc2 Grant Likely
2012-04-13 11:16 ` Andreas Schwab
2012-04-19 18:31 ` Grant Likely [this message]
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