KeReleaseSpinLockFromDpcLevel - NtDoc
Native API online documentation, based on the System Informer
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headers
// wdm.h
VOID KeReleaseSpinLockFromDpcLevel(
[in, out] PKSPIN_LOCK SpinLock
);
View the official Windows Driver Kit DDI referenceNo description available.
The KeReleaseSpinLockFromDpcLevel routine releases an executive spin lock without changing the IRQL.
SpinLock [in, out]Pointer to an executive KSPIN_LOCK spin lock for which the caller provides the storage.
Drivers call KeReleaseSpinLockFromDpcLevel to release a spin lock acquired by calling KeAcquireSpinLockAtDpcLevel.
It is an error to call KeReleaseSpinLockFromDpcLevel if the specified spin lock was acquired by calling KeAcquireSpinLock because the caller's original IRQL is not restored, which can cause deadlocks or fatal page faults.
For more information about spin locks, see Spin Locks.
KeAcquireInStackQueuedSpinLockAtDpcLevel
KefReleaseSpinLockFromDpcLevel
KeTryToAcquireSpinLockAtDpcLevel