From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [pvops-dom0] Adding MCA logging support in pv_ops
Date: Fri, 31 Jul 2009 17:19:06 +0200
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To: Jan Beulich <JBeulich@novell.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>, xen-devel@lists.xensource.com, Keir Fraser <keir.fraser@eu.citrix.com>, Liping Ke <liping.ke@intel.com>
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"Jan Beulich" <JBeulich@novell.com> writes:

> Additionally, the new use of the space previously
> consumed by the res1 field seems to put under question whether that
> was actually forward compatible (namely, whether it might confuse
> newer user space tools).

It will, either by logging junk fields or if you're unlucky (and e.g. broke
the CPUID field) completely wrong output.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.