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[Xen-devel] [PATCH][HVM] fix HVM hypercall preemption causing guest crash

To: <Keir.Fraser@xxxxxxxxxxxx>
From: "Zhao, Yu" <yu.zhao@xxxxxxxxx>
Date: Tue, 29 Jan 2008 17:00:33 +0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 29 Jan 2008 01:04:21 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AchiVWentlBVuk5ZT6GmKDQM7bFSMA==
Thread-topic: [PATCH][HVM] fix HVM hypercall preemption causing guest crash

Folks,

HVM guest crashes when its hypercall is preempted on x86 (pae and 32e) 
platform. For example, this happens when we install balloon driver and change 
guest memory size by 'xm mem-set'. The attached patch fixes this problem.

Regards,
Yu

Attachment: hvm_hypercall.patch
Description: hvm_hypercall.patch

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