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    Subject[PATCH 1/3] KVM: SVM: fill in kvm_run->debug.arch.dr[67]
    Date
    The corresponding code was added for VMX in commit 42dbaa5a057
    ("KVM: x86: Virtualize debug registers, 2008-12-15) but never for AMD.
    Fix this.

    Cc: stable@vger.kernel.org
    Fixes: 42dbaa5a057 ("KVM: x86: Virtualize debug registers")
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
    ---
    arch/x86/kvm/svm/svm.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
    index 8447ceb02c74..dbcf4198a9fe 100644
    --- a/arch/x86/kvm/svm/svm.c
    +++ b/arch/x86/kvm/svm/svm.c
    @@ -1732,6 +1732,8 @@ static int db_interception(struct vcpu_svm *svm)
    if (svm->vcpu.guest_debug &
    (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) {
    kvm_run->exit_reason = KVM_EXIT_DEBUG;
    + kvm_run->debug.arch.dr6 = svm->vmcb->save.dr6;
    + kvm_run->debug.arch.dr7 = svm->vmcb->save.dr7;
    kvm_run->debug.arch.pc =
    svm->vmcb->save.cs.base + svm->vmcb->save.rip;
    kvm_run->debug.arch.exception = DB_VECTOR;
    --
    2.18.2

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