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[Xen-devel] [PATCH][HVM] fix HVM hypercall preemption causing guest cras
| To: | <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH][HVM] fix HVM hypercall preemption causing guest crash |
| 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 |
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| 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
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