From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: pmu: avoid setting IRQ affinity on UP systems
Date: Fri, 18 Feb 2011 15:22:53 -0000 [thread overview]
Message-ID: <002401cbcf7f$b62c1690$228443b0$@deacon@arm.com> (raw)
In-Reply-To: <20110217162421.GC941@pulham.picochip.com>
Hi Jamie,
> On Tue, Feb 15, 2011 at 12:11:39PM +0000, Will Deacon wrote:
> > Now that we can execute a CONFIG_SMP kernel on a uniprocessor system,
> > extra care has to be taken in the PMU IRQ affinity setting code to
> > ensure that we don't always fail to initialise.
> >
> > This patch changes the CPU PMU initialisation code so that when we
> > only have a single IRQ, whose affinity can not be changed at the
> > controller, we report success (0) rather than -EINVAL.
> >
> > Cc: Jamie Iles <jamie@jamieiles.com>
> > Reported-by: Avik Sil <avik.sil@linaro.org>
> > Signed-off-by: Will Deacon <will.deacon@arm.com>
>
> Look good!
>
> Acked-by: Jamie Iles <jamie@jamieiles.com>
Cheers. I've submitted this as 6742/1 with a minor change (deleted the out:
label as it's no longer used).
Will
prev parent reply other threads:[~2011-02-18 15:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-15 12:11 [PATCH] ARM: pmu: avoid setting IRQ affinity on UP systems Will Deacon
2011-02-17 16:24 ` Jamie Iles
2011-02-18 15:22 ` Will Deacon [this message]
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