Re: [Xen-devel] [PATCH 16/38] arm: Add simple cpu_{sibling, core}_mask

[Tim Deegan <tim@xxxxxxx>]

At 12:35 +0100 on 07 Jun (1339072547), Ian Campbell wrote:
> From e980ca1ec9bf92b2f1255ac5222b1da1292f9f72 Mon Sep 17 00:00:00 2001
> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Date: Mon, 14 May 2012 12:25:31 +0100
> Subject: [PATCH] arm: Add simple cpu_{sibling,core}_mask
> 
> This needs to be done for all cpus. The allocations require smp_prepare_cpus
> to be called a bit later on.
> 
> In a previous version of this patch these maps were being zeroed (instead of
> setting the CPU itself in them). This in turn causes cpumask_first to return
> NR_CPUS, which in turn was causing default_vcpu0_location to misbehave and
> read off the end of its cnt array. Add a couple of asserts to catch this in
> the future.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

(ARM stuff) Acked-by: Tim Deegan <tim@xxxxxxx>

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