VOID __stdcall KiAcquireSecondaryInterruptConnectLock(UINT64 *Lock, UINT8 *OldIrql){ UINT8 CurrentIrql; CurrentIrql = KeGetCurrentIrql(); __writecr8(0xCui64); *OldIrql = CurrentIrql; KxAcquireSpinLock(Lock); }