linux-kernel - Re: [PATCH v2 1/2] powerpc/8xx: Fix NR_IRQ bugs and refactor 8xx interrupt controller

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Date:	Tue, 24 Apr 2012 21:22:50 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2 1/2] powerpc/8xx: Fix NR_IRQ bugs and refactor 8xx
 interrupt controller

On Tue, 2012-04-24 at 09:41 +0200, Joakim Tjernlund wrote:
> Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote on 2012/04/24 05:13:15:
> >
> > On Mon, 2012-04-23 at 16:30 -0600, Grant Likely wrote:
> > > The mpc8xx driver uses a reference to NR_IRQS that is buggy.  It uses
> > > NR_IRQs for the array size of the ppc_cached_irq_mask bitmap, but
> > > NR_IRQs could be smaller than the number of hardware irqs that
> > > ppc_cached_irq_mask tracks.
> >
> > Joakim, any chance you can test this ASAP ? :-)
> 
> Sorry, but no.  We have not moved our 8xx boards to 3.x as it in maintenance
> and takes too much space.

Ah ok... Anybody else on the list who still has some 8xx gear ?

Cheers,
Ben.


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