KVM: x86 emulator: Remove set-but-unused cr4 from check_cr_write

This was probably copy&pasted from the cr0 case, but it's unneeded here.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index ac8e5ed788342e166eab3137f62fa889ea161d4b..f641201c7b31c1e55390bfa229e41fa0eaf10bd5 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3028,9 +3028,6 @@ static int check_cr_write(struct x86_emulate_ctxt *ctxt)
                break;
                }
        case 4: {
-               u64 cr4;
-
-               cr4 = ctxt->ops->get_cr(ctxt, 4);
                ctxt->ops->get_msr(ctxt, MSR_EFER, &efer);
 
                if ((efer & EFER_LMA) && !(new_val & X86_CR4_PAE))