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[NTOS:MM] Implement and use MiAcquirePfnLockAtDpcLevel/MiReleasePfnLockFromDpcLevel.

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Thomas Faber 2017-11-21 23:36:34 +01:00
parent da5949280c
commit 81532227b6
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2 changed files with 24 additions and 4 deletions
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22
ntoskrnl/include/internal/mm.h
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@ -883,6 +883,28 @@ MiReleasePfnLock(
KeReleaseQueuedSpinLock(LockQueuePfnLock, OldIrql);
}
FORCEINLINE
VOID
MiAcquirePfnLockAtDpcLevel(VOID)
{
PKSPIN_LOCK_QUEUE LockQueue;
ASSERT(KeGetCurrentIrql() >= DISPATCH_LEVEL);
LockQueue = &KeGetCurrentPrcb()->LockQueue[LockQueuePfnLock];
KeAcquireQueuedSpinLockAtDpcLevel(LockQueue);
}
FORCEINLINE
VOID
MiReleasePfnLockFromDpcLevel(VOID)
{
PKSPIN_LOCK_QUEUE LockQueue;
LockQueue = &KeGetCurrentPrcb()->LockQueue[LockQueuePfnLock];
KeReleaseQueuedSpinLockFromDpcLevel(LockQueue);
ASSERT(KeGetCurrentIrql() >= DISPATCH_LEVEL);
}
#define MI_ASSERT_PFN_LOCK_HELD() ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL)
FORCEINLINE