LOONGARCH_CSR_PERFCNTR3
#define read_csr_perfcntr3() csr_read64(LOONGARCH_CSR_PERFCNTR3)
#define write_csr_perfcntr3(val) csr_write64(val, LOONGARCH_CSR_PERFCNTR3)
set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR3);
if (id >= LOONGARCH_CSR_PERFCTRL0 && id <= LOONGARCH_CSR_PERFCNTR3) {
kvm_save_hw_gcsr(csr, LOONGARCH_CSR_PERFCNTR3);
kvm_restore_hw_gcsr(csr, LOONGARCH_CSR_PERFCNTR3);