KVM_INST_B_MASK
kvm_patch_ins(inst, KVM_INST_B | (addr & KVM_INST_B_MASK));
p[kvm_emulate_mtmsrd_branch_offs] |= distance_end & KVM_INST_B_MASK;
p[kvm_emulate_mtmsr_branch_offs] |= distance_end & KVM_INST_B_MASK;
p[kvm_emulate_wrtee_branch_offs] |= distance_end & KVM_INST_B_MASK;
p[kvm_emulate_wrteei_0_branch_offs] |= distance_end & KVM_INST_B_MASK;
p[kvm_emulate_mtsrin_branch_offs] |= distance_end & KVM_INST_B_MASK;