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xen-devel
Re: [Xen-devel] VMX: emulated guest use SYSENTER MSRs
Since they are included in the VMCS, and read from there on save/restore,
the vmexit appears to be unnecessary.
-- Keir
On 7/7/07 08:48, "Li, Xin B" <xin.b.li@xxxxxxxxx> wrote:
>
>> What is the reason for not simply clearing the MSR bitmap bits
>> for these three MSRs, and rather handling the reads/writes in software?
>
> I haven't checked those MSRs, the original concern is we need
> save/restore them when context switch, is this needed?
>
> -Xin
>
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