Currently the vmexit emulation does not sync control registers were the access is typically intercepted by the nested hypervisor. But we can not count on that intercepts to sync these registers too and make the code architecturally more correct.
Cc: [email protected] Signed-off-by: Joerg Roedel <[email protected]> --- arch/x86/kvm/svm.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 6dc7a41..c9d359a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1642,9 +1642,13 @@ static int nested_svm_vmexit(struct vcpu_svm *svm) nested_vmcb->save.ds = vmcb->save.ds; nested_vmcb->save.gdtr = vmcb->save.gdtr; nested_vmcb->save.idtr = vmcb->save.idtr; + nested_vmcb->save.cr0 = kvm_read_cr0(&svm->vcpu); if (npt_enabled) nested_vmcb->save.cr3 = vmcb->save.cr3; + else + nested_vmcb->save.cr3 = svm->vcpu.arch.cr3; nested_vmcb->save.cr2 = vmcb->save.cr2; + nested_vmcb->save.cr4 = svm->vcpu.arch.cr4; nested_vmcb->save.rflags = vmcb->save.rflags; nested_vmcb->save.rip = vmcb->save.rip; nested_vmcb->save.rsp = vmcb->save.rsp; -- 1.6.6 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
