linux-kernel - Re: [PATCH 4/8] irqdomain: Simple NUMA awareness.

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Message-ID: <20120521044618.GC31763@linux-sh.org>
Date:	Mon, 21 May 2012 13:46:18 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/8] irqdomain: Simple NUMA awareness.

On Sat, May 19, 2012 at 12:41:35PM -0600, Grant Likely wrote:
> On Sat, 19 May 2012 15:11:44 +0900, Paul Mundt <lethal@...ux-sh.org> wrote:
> > +static inline int irq_domain_nid(struct device_node *of_node)
> > +{
> > +	return of_node ? of_node_to_nid(of_node) : numa_node_id();
> > +}
> > +
> 
> I think this logic should just be rolled into of_node_to_nid()
> directly instead of an irq_domain-specific helper.  PowerPC and Sparc
> are the only architectures doing anything special with of_node_to_nid
> at the moment.  I don't think anyone has bothered to define an
> arch-independent binding for NUMA associations.
> 
> Otherwise this patch looks good to me.
> 
Ok, that sounds fine to me. I've done that in the updated patch. We do
need to include linux/topology.h for the numa_node_id() definition, but
that seems to not cause too much trouble. Cross builds for sparc and
powerpc OF + NUMA platforms seem to hold up at least.
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