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Subject: Re: [RESEND PATCH 1/2] IRQ: use cpu_possible_mask rather than
 online_mask in setup_affinity
From: Peter Zijlstra <peterz@infradead.org>
To: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: miltonm@bga.com, Thomas Gleixner <tglx@linutronix.de>,
        Ian Campbell <ian.campbell@citrix.com>,
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        linux-kernel@vger.kernel.org
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Date: Sat, 02 Oct 2010 13:01:02 +0200
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On Fri, 2010-10-01 at 14:26 -0700, Nishanth Aravamudan wrote:
> The use of online_mask requires architecture code to be hotplug-aware to
> account for IRQ round-robin'ing. 

Architectures that support hotplug should be hotplug aware, that's not
too much to ask imho.

> With user-driven dynamic SMT,

What's that?