KiAcquireReleaseObjectRundownLockExclusive

VOID __stdcall KiAcquireReleaseObjectRundownLockExclusive(VOID *Object){
  INT64 *v1; 

  v1 = (INT64 *)((char *)&KiObjectRundownLocks + 64 * (((unsigned __int64)Object >> 4) & 0x3F));
  ExAcquireSpinLockExclusiveAtDpcLevel(v1);
  ExReleaseSpinLockExclusiveFromDpcLevel(v1);
}

Referenced by:

KeDeleteMutant
KeReleaseMutant
KeRundownPriQueue
KeRundownQueueEx