Re: [Xen-devel] [PATCH][SVM] Fix 32bit Windows guest VMs save/restore

[Keir Fraser <keir@xxxxxxx>]

Yeah, good. I'll double check it next week and apply it then for 4.1.x and
4.0.x.

 Thanks,
 Keir

On 01/02/2011 22:06, "Wei Huang" <wei.huang2@xxxxxxx> wrote:

> How does this one look? It should address your concern about duplicating
> data in both vcpu and vmcb. I have tested it with both 32bit and 64bit
> Windows successfully.
> 
> -Wei
> 
> =================
> Fix 32bit guest VM save/restore issues associated with SYSENTER MSRs on
> AMD platforms.
> 
> This patch turn-on SYSENTER MSRs interception for 32bit guest VMs on AMD
> CPUs. With it, hvm_svm.guest_sysenter_xx fields always contain the
> canonical version of SYSENTER MSRs and are used in guest save/restore.
> The data fields in VMCB save area are updated as necessary.
> 
> Reported-by: James Harper <james.harper@xxxxxxxxxxxxxxxx>
> Signed-off-by: Wei Huang <wei.huang2@xxxxxxx>
> =================
> 



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