linux-kernel - This combination of AMDprocessors is not suitable for SMP?

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Message-ID: <4A6816AD.2060700@msgid.tls.msk.ru>
Date:	Thu, 23 Jul 2009 11:52:13 +0400
From:	Michael Tokarev <mjt@....msk.ru>
To:	Linux-kernel <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: This combination of AMDprocessors is not suitable for SMP?

(yes there's no typo in $subject, it's an old formatting
bug in printk).

When booting kvm guest on an AMD CPU, guest kernel prints
this warning:

  WARNING: This combination of AMDprocessors is not suitable for SMP.

be it SMP or UP guest.  What's wrong with this "combination",
and can it be fixed?

Thanks!

/mjt
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