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
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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

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