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[Xen-devel] Clarification Meltdown for vulnerability between 64-bit PV guests

To: xen-devel@xxxxxxxxxxxxxxxxxxxx
From: John Wang <xgwang@xxxxxxxx>
Date: Wed, 16 May 2018 16:37:47 +0800
Delivery-date: Wed, 16 May 2018 09:24:49 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Hi:

64 bit PV guest can attack hypervisor by SP3, whether it still can attack others 64 bit PV guest by SP3 ? If yes, whether the xpti enable on hypervisor can prevent vulnerability? if no, what operations need to be done on 64 PV guest or hypervisor?

-- 
Thanks
APACII QA 
John(XiaoGen Wang)

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