linux-kernel - Re: [PATCH] irqchip: gic: Don't complain in gic_get

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Date:	Wed, 17 Jul 2013 18:53:51 -0400 (EDT)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
cc:	Javi Merino <javi.merino@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <rmk+kernel@....linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] irqchip: gic: Don't complain in gic_get_cpumask() if UP
 system

On Wed, 17 Jul 2013, Stephen Boyd wrote:

> On 07/17/13 15:34, Nicolas Pitre wrote:
> > On Wed, 17 Jul 2013, Stephen Boyd wrote:
> >
> >> On 07/12/13 05:10, Stephen Boyd wrote:
> >>> On 07/12, Javi Merino wrote:
> >>>> I agree, we should drop the check.  It's annoying in uniprocessors and
> >>>> unlikely to be found in the real world unless your gic entry in the dt
> >>>> is wrong.
> > And that's a likely outcome in the real world.
> >
> >>> Ok. How about this?
> >> Any comments?
> > What about this instead:
> 
> Unfortunately arm64 doesn't have SMP_ON_UP. 

And why does that matter?

> It sounds like you preferred the first patch using num_possible_cpus()

Probably, yes.  I didn't follow the early conversation though.


Nicolas
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