From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Cc: Grant Likely <grant.likely@secretlab.ca>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 1/2] powerpc/8xx: Fix NR_IRQ bugs and refactor 8xx interrupt controller
Date: Tue, 24 Apr 2012 21:22:50 +1000 [thread overview]
Message-ID: <1335266570.15830.11.camel@pasglop> (raw)
In-Reply-To: <OF4123672B.F86C969F-ONC12579EA.002A2C1F-C12579EA.002A48C2@transmode.se>
On Tue, 2012-04-24 at 09:41 +0200, Joakim Tjernlund wrote:
> Benjamin Herrenschmidt <benh@kernel.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.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] powerpc/8xx: Fix NR_IRQ bugs and refactor 8xx interrupt controller
Date: Tue, 24 Apr 2012 21:22:50 +1000 [thread overview]
Message-ID: <1335266570.15830.11.camel@pasglop> (raw)
In-Reply-To: <OF4123672B.F86C969F-ONC12579EA.002A2C1F-C12579EA.002A48C2@transmode.se>
On Tue, 2012-04-24 at 09:41 +0200, Joakim Tjernlund wrote:
> Benjamin Herrenschmidt <benh@kernel.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.
next prev parent reply other threads:[~2012-04-24 11:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-23 22:30 Get rid of PowerPC users of NR_IRQS Grant Likely
2012-04-23 22:30 ` [PATCH v2 1/2] powerpc/8xx: Fix NR_IRQ bugs and refactor 8xx interrupt controller Grant Likely
2012-04-23 22:30 ` Grant Likely
2012-04-24 3:13 ` Benjamin Herrenschmidt
2012-04-24 3:13 ` Benjamin Herrenschmidt
2012-04-24 7:41 ` Joakim Tjernlund
2012-04-24 7:41 ` Joakim Tjernlund
2012-04-24 11:22 ` Benjamin Herrenschmidt [this message]
2012-04-24 11:22 ` Benjamin Herrenschmidt
2012-04-24 22:04 ` Scott Wood
2012-04-24 22:04 ` Scott Wood
2012-04-23 22:30 ` [PATCH v2 2/2] irqdomain/powerpc: Fix broken NR_IRQ references Grant Likely
2012-04-23 22:30 ` Grant Likely
2012-04-23 22:36 ` [PATCH v2 0/2] Get rid of PowerPC users of NR_IRQS Grant Likely
2012-04-23 22:36 ` Grant Likely
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