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xen-devel
Re: [Xen-devel] [PATCH][SVM] Fix 32bit Windows guest VMs save/restore
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>
=================
amd_fix_32bit_save_restore.txt
Description: amd_fix_32bit_save_restore.txt
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