amd_pstate_init_perf
ret = amd_pstate_init_perf(cpudata);
ret = amd_pstate_init_perf(cpudata);
static_call_update(amd_pstate_init_perf, shmem_init_perf);
DEFINE_STATIC_CALL(amd_pstate_init_perf, msr_init_perf);
return static_call(amd_pstate_init_perf)(cpudata);