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RE: [Xen-devel] [PATCH] Clear VMCS if reusing after vcpu reset
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] [PATCH] Clear VMCS if reusing after vcpu reset |
| From: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
| Date: | Mon, 30 Apr 2007 15:32:21 +0800 |
| Delivery-date: | Mon, 30 Apr 2007 00:30:59 -0700 |
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| In-reply-to: | <C25B5863.68F6%Keir.Fraser@xxxxxxxxxxxx> |
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| Thread-topic: | [Xen-devel] [PATCH] Clear VMCS if reusing after vcpu reset |
>From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] >Sent: 2007年4月30日 15:25 > >Well, we actually write lots of zeroes in construct_vmcs(), so it's not like >we really take advantage of the memset(). And in fact strictly speaking I >don't think we can -- the only architectural interface to the VMCS is via >the stupid VMREAD/VMWRITE instructions. We can make no >assumptions about >VMCS layout nor, presumably, field encodings (you might choose to >write 1s >for 0s and 0s for 1s in the actual in-memory format, for all I know!). > > -- Keir Agree. Thanks, Kevin _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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