VfDriverLock

VOID __fastcall VfDriverLock(INT64 a1, INT64 a2, INT64 a3){
  KeWaitForSingleObject(&ViDriversLoadLock, WrVirtualMemory, 0, 0, 0i64);
  ViDriversLoadLockOwner = (__int64)KeGetCurrentThread();
}

Referenced by:

MmIsDriverSuspectForVerifier
VfAddVerifierEntry
VfDriverEnableVerifier
VfDriverEnableVerifierForAll
VfIsDriverSuspect
VfIsVerificationEnabledForImage
VfSetVerifierInformation
VfSetVerifierInformationEx
VfSuspectDriversGetVerifierInformation
VfSuspectDriversLoadCallback
VfSuspectDriversParseRegistryString
VfSuspectDriversRemove
VfSuspectDriversUnloadCallback
VfThunkAddDriverThunks
VfThunkAddSpecialDriverThunks
VfTriageAddDrivers
VfXdvExcludeParseRegistryString
ViDriverReApplyVerifierForAll