Re: [PATCH] KVM/nSVM: properly map nested VMCB

On Wed, Aug 14, 2019 at 02:47:35PM +0200, Paolo Bonzini wrote:

From: Vitaly Kuznetsov vkuznets@redhat.com

[ upstream commit 8f38302c0be2d2daf3b40f7d2142ec77e35d209e ]

Commit 8c5fbf1a7231 ("KVM/nSVM: Use the new mapping API for mapping guest memory") broke nested SVM completely: kvm_vcpu_map()'s second parameter is GFN so vmcb_gpa needs to be converted with gpa_to_gfn(), not the other way around.

Fixes: 8c5fbf1a7231 ("KVM/nSVM: Use the new mapping API for mapping guest memory") Signed-off-by: Vitaly Kuznetsov vkuznets@redhat.com Reviewed-by: Sean Christopherson sean.j.christopherson@intel.com Signed-off-by: Paolo Bonzini pbonzini@redhat.com

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arch/x86/kvm/svm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

Now queued up, thanks.

greg k-h