https://git.reactos.org/?p=reactos.git;a=commitdiff;h=de3958dc2b626626d017be102c04eb75b3cce56d
commit de3958dc2b626626d017be102c04eb75b3cce56d Author: Timo Kreuzer <[email protected]> AuthorDate: Tue Oct 10 02:42:11 2023 +0300 Commit: Timo Kreuzer <[email protected]> CommitDate: Tue Oct 24 21:45:27 2023 +0300 Revert "[NTOS:MM/x64] Temporarily release AddressCreationLock in MmCreateVirtualMappingUnsafeEx" This reverts commit e685b25e35c9d6dfbe2139ac71f7378b1f9e6d0f. --- ntoskrnl/mm/i386/page.c | 21 --------------------- 1 file changed, 21 deletions(-) diff --git a/ntoskrnl/mm/i386/page.c b/ntoskrnl/mm/i386/page.c index eeccef94346..df13cb013e2 100644 --- a/ntoskrnl/mm/i386/page.c +++ b/ntoskrnl/mm/i386/page.c @@ -637,9 +637,6 @@ MmCreateVirtualMappingUnsafeEx( PMMPTE PointerPte; MMPTE TempPte; ULONG_PTR Pte; -#ifdef _M_AMD64 - BOOLEAN LockReleased = FALSE; -#endif DPRINT("MmCreateVirtualMappingUnsafe(%p, %p, %lu, %x)\n", Process, Address, flProtect, Page); @@ -668,15 +665,6 @@ MmCreateVirtualMappingUnsafeEx( if (!MiSynchronizeSystemPde(MiAddressToPde(Address))) MiFillSystemPageDirectory(Address, PAGE_SIZE); #endif - -#ifdef _M_AMD64 - /* This is a temporary hack, because we can incur a recursive page fault when accessing the PDE */ - if (PsIdleProcess->AddressCreationLock.Owner == KeGetCurrentThread()) - { - MmUnlockAddressSpace(MmGetKernelAddressSpace()); - LockReleased = TRUE; - } -#endif } else { @@ -727,15 +715,6 @@ MmCreateVirtualMappingUnsafeEx( MiIncrementPageTableReferences(Address); MiUnlockProcessWorkingSetUnsafe(Process, PsGetCurrentThread()); } -#ifdef _M_AMD64 - else - { - if (LockReleased) - { - MmLockAddressSpace(MmGetKernelAddressSpace()); - } - } -#endif return(STATUS_SUCCESS); }
