Commit 
c34b26b98caca48ec9ee9 ("KVM: MIPS: clean up redundant 'kvm_run'
parameters") remove the 'kvm_run' parameter in kvm_vz_gpsi_lwc2.
The following build error:
arch/mips/kvm/vz.c: In function 'kvm_trap_vz_handle_gpsi':
arch/mips/kvm/vz.c:1243:43: error: 'run' undeclared (first use in this function)
   er = kvm_vz_gpsi_lwc2(inst, opc, cause, run, vcpu);
                                           ^~~
arch/mips/kvm/vz.c:1243:43: note: each undeclared identifier is reported only
once for each function it appears in
scripts/Makefile.build:283: recipe for target 'arch/mips/kvm/vz.o' failed
make[2]: *** [arch/mips/kvm/vz.o] Error 1
scripts/Makefile.build:500: recipe for target 'arch/mips/kvm' failed
make[1]: *** [arch/mips/kvm] Error 2
Makefile:1785: recipe for target 'arch/mips' failed
make: *** [arch/mips] Error 2
Signed-off-by: Xingxing Su <suxingxing@loongson.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 
 #ifdef CONFIG_CPU_LOONGSON64
 static enum emulation_result kvm_vz_gpsi_lwc2(union mips_instruction inst,
                                              u32 *opc, u32 cause,
-                                             struct kvm_run *run,
                                              struct kvm_vcpu *vcpu)
 {
        unsigned int rs, rd;
 #endif
 #ifdef CONFIG_CPU_LOONGSON64
        case lwc2_op:
-               er = kvm_vz_gpsi_lwc2(inst, opc, cause, run, vcpu);
+               er = kvm_vz_gpsi_lwc2(inst, opc, cause, vcpu);
                break;
 #endif
        case spec3_op: