Commit graph

91 commits

Author SHA1 Message Date
Roy Tam 0d4a8d0ea6 [NTOS:MM] Ignore sections either PointerToRawData or SizeOfRawData is zero
VC1 Linker fills BSS.SizeOfRawData with data in IMAGE_OPTIONAL_HEADER.SizeOfUninitializedData but keeps PointerToRawData to zero.

CORE-18797
2023-01-20 17:02:12 +08:00
Jérôme Gardou 2ae9feb59f [NTOS] Properly implement and use FsRtlAcquireFileForModWriteEx 2022-11-02 19:41:04 +01:00
Hermès Bélusca-Maïto 58983061e9
[NTOS:MM] Remove residual hack from commit 864a1bc6a (r55323). 2022-10-27 01:08:07 +02:00
Adam Słaboń 23e5d3fe25
[NTOS:MM] MmPurgeSegment: Fix wrong return value (#4801)
Return TRUE instead of NTSTATUS code which has a value of FALSE and may confuse caller.
Fixes sporadic 0x7B bugcheck when booting from corrupted NTFS volume using WinXP ntfs.sys.
2022-10-26 02:15:16 +02:00
Jérôme Gardou 75125228be [NTOS] Add some sanity checks when synchronizing PDEs 2022-09-17 13:48:56 +02:00
Thomas Faber a7b2703479
[NTOS] Fix broken SAL annotations on MmDereferenceSegmentWithLock. 2021-11-21 12:47:46 -05:00
Jérôme Gardou 589016ddb9 [NTOS:MM] Implement MmFlushImageSection(MmFlushForWrite) 2021-08-07 09:34:58 +02:00
Jérôme Gardou ce65553eaa [NTOS:MM] Annotate some functions with regards to MmPfnLock
Also fix MI_ASSERT_PFN_LOCK_HELD macro.
Now in debug builds, SpinLocks are always non-zero when held.
2021-07-27 15:36:55 +02:00
Jérôme Gardou 6150dc994a [NTOS:MM] Always release PFN lock in MmDereferenceSegmentWithLock
All callers release it after calling it.
CORE-17698
2021-07-27 15:36:55 +02:00
Jérôme Gardou 59cddd15e2 [NTOS:MM] Implement MmFlushImageSection(MmFlushForDelete)
CORE-17544
2021-06-25 10:28:51 +02:00
Jérôme Gardou bec42b6530 [NTOS:MM] Do not call ExAllocatePool* with PFN lock acquired
Unsurprisingly, it actually might acquire it
2021-06-25 10:28:51 +02:00
Serge Gautherie eab2bb4b20 [NTOS:MM] MmFlushSegment(): Fix Iosb annotation
Addendum to 90c6a65.
2021-06-22 10:33:45 +02:00
Jérôme Gardou a5ea259b28 [NTOS:MM] Fix remnants of CORE-17587 2021-06-07 17:04:18 +02:00
Jérôme Gardou 3adf450867 [REACTOS] Addendum to 5c7ce4475e - Fix MSVC 2015 build
Put data into PAGEDATA or INITDATA sections
Keep section declaration for prototypes

CORE-17540
2021-05-12 11:04:29 +02:00
Jérôme Gardou c48580135d [NTOS:MM] Fix a bit page fault handler with regard to COW sections 2021-04-08 15:40:37 +02:00
Jérôme Gardou 43378411fb [NTOS:MM] Rewrite arch-specifics of the legacy Mm
Properly handle PDE refcounting
Clean-up of the internal API
Enforce attaching to the process when modifying its memory layout, instead of
making circonvoluted mappings which always end up being broken.
2021-04-08 15:40:37 +02:00
Jérôme Gardou b445005c70 [NTOS:MM] Get rid of MmRosFlushVirtualMemory
It's not used anywhere now, and it will eventually be gone
2021-04-08 15:40:37 +02:00
Jérôme Gardou 9e121fb6c2 [NTOS:MM] Get rid of MmSetCleanAllRmaps and MmIsDirtyPageRmap
Everything is wrong with them. Bad locking. Bad logic.
2021-04-08 15:40:37 +02:00
Jérôme Gardou 36a92e6ea5 [NTOS:MM] Fix a bit the page-out/page-in logic
- Do not lock the section segment when we are serving a fault for a process private page.
 - Do not keep the process address space lock while writing to pagefile.
 - Do not wait for an event that might never be set.
2021-04-08 15:40:37 +02:00
Jérôme Gardou 0187c1e113 [NTOS:MM] Fix PFN tracing 2021-03-30 16:26:43 +02:00
Jérôme Gardou a93e065ebc [NTOS:MM] Do not chunk-read file when we are the modified-page-writer thread 2021-02-26 08:46:53 +01:00
Jérôme Gardou 35c091adaf [NTOS:MM] Do not chunk-read files marked with FO_RANDOM_ACCESS 2021-02-26 08:46:53 +01:00
Jérôme Gardou b7eb0fddf3 Address PR review 2021-02-03 09:41:24 +01:00
Jérôme Gardou c0bf352069 [NTOS:MM] Fix regression of MmCanFileBeTruncated 2021-02-03 09:41:24 +01:00
Jérôme Gardou 2ba1926037 [NTOS:MM][NTOS:CC] Performance improvement again
Read files by 64kb chunks instead of page-sized chunks.
2021-02-03 09:41:23 +01:00
Jérôme Gardou 41475dfcd7 [NTOS:CC] Performance improvements
Do not ditch the pages as soon as the section are unmapped
Improve MmBalancer "algorithm" (or whatever you call that)
Various needed fixes to get this going.
2021-02-03 09:41:23 +01:00
Jérôme Gardou ea354c4bc7 [NTOS:MM] Unconditionally purge cache on image section creation. 2021-02-03 09:41:23 +01:00
Jérôme Gardou c1c51e31e4 [NTOS:MM] Keep a ref on the segment when mapping a page & keep trace of what is the highest offset mapped. 2021-02-03 09:41:23 +01:00
Jérôme Gardou 91a4e62376 [NTOS:MM] Improve MmCanFileBeTruncated 2021-02-03 09:41:23 +01:00
Jérôme Gardou 3e43aa1305 [NTOS:MM] Use 64-bit integer to count references on segments 2021-02-03 09:41:23 +01:00
Jérôme Gardou 90c6a65efe [NTOS:MM] Introduce MmPurgeSegment & MmFlushSegment
Those will back CcFlushCache and CcPurgeCache.
2021-02-03 09:41:23 +01:00
Jérôme Gardou 5949d5095d [NTOS:CC][NTOS:MM] Try respecting ValidDataLength 2021-02-03 09:41:23 +01:00
Jérôme Gardou e46f1a9af3 [NTOS:MM] Disable APC while performing Paged Read 2021-02-03 09:41:23 +01:00
Jérôme Gardou caf89b9582 [NTOS:MM] Fix a race condition when unmapping sections views 2021-02-03 09:41:23 +01:00
Jérôme Gardou cff3c399c6 [NTOS:MM] Fix input validation/correction in MmMapViewInSystemSpace 2021-02-03 09:41:23 +01:00
Jérôme Gardou addf824d87 [NTOS:MM] Keep image maps & file maps coherent at the time of creating the image map 2021-02-03 09:41:23 +01:00
Jérôme Gardou 543112008a Fix physical memory section creation 2021-02-03 09:41:22 +01:00
Jérôme Gardou 674ab3dce3 [NTOS:MM] Remove a check for now 2021-02-03 09:41:22 +01:00
Jérôme Gardou 1f796267bc [NTOS:MM] Do not reference the section when mapping it.
Referencing the segment is enough.
2021-02-03 09:41:22 +01:00
Jérôme Gardou 3c2b1bf59b [NTOS:MM] Save the dirty bit when sharing a segment page 2021-02-03 09:41:22 +01:00
Jérôme Gardou 3141668724 [NTOS:MM] Various fixes.
Fix MmFlushImageSection behaviour
Remove an invalid ASSERT
2021-02-03 09:41:22 +01:00
Jérôme Gardou 30f71c7fc0 [NTOS] Zero data unconditionally after segment end, unless section is created with SEC_RESERVE
Use a SEC_RESERVE section in Cc
2021-02-03 09:41:22 +01:00
Jérôme Gardou fb07802956 [NTOS:MM] Make the situation about dirty pages in image map a bit clearer 2021-02-03 09:41:22 +01:00
Jérôme Gardou d9f7459bb1 [NTOS:MM] Fix file object bad referencing 2021-02-03 09:41:22 +01:00
Jérôme Gardou e39fc52d25 [NTOS/MM] Set FSRTL_MOD_WRITE_TOP_LEVEL_IRP top-level IRP when paging-out 2021-02-03 09:41:22 +01:00
Jérôme Gardou f114209782 [NTOS/MM] Do not zero out the tail of the segment if the mapping is not an image 2021-02-03 09:41:22 +01:00
Jérôme Gardou 7d70af61e8 [NTOS:MM] Acquire file lock when creating section 2021-02-03 09:41:22 +01:00
Jérôme Gardou d2fa434cb7 [NTOSKRNL] Address issues raised in PR 3361 review 2021-02-03 09:41:22 +01:00
Jérôme Gardou 7dab3583cc [NTOS/MM] Force flushing when the page is dirtified in user mode 2021-02-03 09:41:22 +01:00
Jérôme Gardou 91edefa11e [NTOS:MM] Do not limit ourselves in reading or writing the file 2021-02-03 09:41:22 +01:00