| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH]Propagate guest MSR writes to machine MSRs immediately |
| From: | "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> |
| Date: | 2005年7月21日 17:22:50 +0800 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | 2005年7月21日 09:21:50 +0000 |
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| Thread-index: | AcWN1cPauZF2AJonT+mABZg1nLuJsw== |
| Thread-topic: | [PATCH]Propagate guest MSR writes to machine MSRs immediately |
Propagate guest MSR writes to machine MSRs immediately Right now, we have an exposure between the time the MSR is written and used by an instruction such as syscall. If there is a context switch and we do vmx_do_restore_msrs(), everything goes fine. But if we don't, then we execute the syscall with the wrong MSR. Signed-off-by: Yunhong Jiang <yunhong.jiang@xxxxxxxxx> Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx> Thanks Yunhong Jiang
Attachment:
msr.patch
Description: msr.patch
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