Date: Mon, 6 Aug 2012 18:04:35 +0200
From: Thierry Reding <thierry.reding@avionic-design.de>
To: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Grant Likely <grant.likely@secretlab.ca>, x86@kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/dt: use linear irq domain for ioapic(s).
Message-ID: <20120806160435.GA2484@avionic-0098.mockup.avionic-design.de>
References: <1343890270-13007-1-git-send-email-thierry.reding@avionic-design.de>
 <20120806073811.GA3261@breakpoint.cc>
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On Mon, Aug 06, 2012 at 09:38:11AM +0200, Sebastian Andrzej Siewior wrote:
> The former conversion to irq_domain_add_legacy() did not fully work
> since we miss the irq decs for NR_IRQS_LEGACY+.
> Ideally we could use irq_domain_add_simple() or the no-map variant (and
> program the virq <-> line mapping directly into ioapic) but this would
> require a different irq lookup in "do_IRQ()" and won't work with ACPI
> without changes. So this is probably easiest for everyone.
>=20
> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>

=46rom a quick glance this looks much better than my patch. This depends
on a couple of patches in linux-next it seems, so I'll have to do some
rebasing before I can test. Still I think I should be able to get back
to you until the end of the week.

Thierry

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