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Subject[PATCH 5/5] KVM: SVM: Ignore lower 12 bit of nested msrpm_pa
Date
These bits are ignored by the hardware. Implement this
for nested svm too.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/kvm/svm.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 3859e2c..cfc8a90 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2012,7 +2012,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
svm->vmcb->save.dr6 = nested_vmcb->save.dr6;
svm->vmcb->save.cpl = nested_vmcb->save.cpl;

- svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa;
+ svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa & ~0x0fffULL;
svm->nested.vmcb_iopm = nested_vmcb->control.iopm_base_pa & ~0x0fffULL;

/* cache intercepts */
--
1.7.0



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