Checks on the operand to VMXON are performed after the check for
legacy mode operation and the #GP checks, according to the pseudo-code
in Intel's SDM.
Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx>
---
arch/x86/kvm/vmx.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a11f5c9..346befd 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7174,9 +7174,6 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
return 1;
}
- if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMON, NULL))
- return 1;
-
if (vmx->nested.vmxon) {
nested_vmx_failValid(vcpu, VMXERR_VMXON_IN_VMX_ROOT_OPERATION);
return kvm_skip_emulated_instruction(vcpu);
@@ -7188,6 +7185,9 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
return 1;
}
+ if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMON, NULL))
+ return 1;
+
if (cpu_has_vmx_msr_bitmap()) {
vmx->nested.msr_bitmap =
(unsigned long *)__get_free_page(GFP_KERNEL);
--
2.8.0.rc3.226.g39d4020
--
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