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    SubjectRe: [PATCH 3/8] KVM: SVM: Sync cr0 and cr3 to kvm state before nested handling
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    On 22.04.2010, at 12:33, Joerg Roedel wrote:

    > This patch syncs cr0 and cr3 from the vmcb to the kvm state
    > before nested intercept handling is done. This allows to
    > simplify the vmexit path.
    >
    > Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    > ---
    > arch/x86/kvm/svm.c | 15 ++++++---------
    > 1 files changed, 6 insertions(+), 9 deletions(-)
    >
    > diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
    > index c480d7f..5ad9d80 100644
    > --- a/arch/x86/kvm/svm.c
    > +++ b/arch/x86/kvm/svm.c
    > @@ -1799,10 +1799,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
    > 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.cr3 = svm->vcpu.arch.cr3;


    Why don't we need this anymore again?


    Alex



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