From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [PATCH] xen/arm: Implement MPIDR per VCPU
Date: Thu, 13 Jun 2013 16:14:49 +0100
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To: Ian Campbell <Ian.Campbell@citrix.com>
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On 06/13/2013 03:59 PM, Ian Campbell wrote:

> On Fri, 2013-06-07 at 12:38 +0100, Julien Grall wrote:
>> Use different affinity for each VCPU and always expose an SMP systems to
>> the guest.
> 
> What is the bad effect of not doing this for 4.3? Does it fix an
> observable bug?

I didn't notice a specific bug, Linux uses the MPDIR mainly for
optimizing scheduling. Unlike Xen, Linux doesn't use it to know which
CPU is booting so we can defer it.

-- 
Julien