From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH 1/7] xen/arm: fix rank calculation in
 vgic_vcpu_inject_irq
Date: Sat, 27 Oct 2012 11:44:35 +0100
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To: Tim Deegan <tim@xen.org>
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On Sat, 2012-10-27 at 11:09 +0100, Tim Deegan wrote:
> At 21:47 +0100 on 26 Oct (1351288040), Ian Campbell wrote:
> > All the infrastructure will fall apart if b isn't a power of two, that's
> > why I used the switch. Can you just add the appropriate case 1 instead?
> > Probably the bug should be a call to an undefined function to make this
> > a compile time rather than runtime failure too.
> 
> BUILD_BUG_ON((b & -b) != b); ?

Sure.

Ian.