Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-04 05:07:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NTOSKRNL] Properly align runrefs on SMP in ExInitializeRundownProtectionCacheAware()

Browse source
This commit is contained in:
Pierre Schweitzer 2018-11-17 15:49:50 +01:00
parent c5db202bdc
commit acdf74aa3b
No known key found for this signature in database
GPG key ID: 7545556C3D585B0B
1 changed files with 8 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

11
ntoskrnl/ex/rundown.c
View file

@ -581,7 +581,7 @@ ExInitializeRundownProtectionCacheAware(IN PEX_RUNDOWN_REF_CACHE_AWARE RunRefCac
{ {
PVOID Pool; PVOID Pool;
PEX_RUNDOWN_REF RunRef; PEX_RUNDOWN_REF RunRef;
ULONG Count, RunRefSize, Offset; ULONG Count, RunRefSize, Offset, Align;
PAGED_CODE(); PAGED_CODE();
@ -601,8 +601,13 @@ ExInitializeRundownProtectionCacheAware(IN PEX_RUNDOWN_REF_CACHE_AWARE RunRefCac
} }
else else
{ {
/* FIXME: Properly align on SMP */ /* Get alignment constraint */
UNIMPLEMENTED; Align = KeGetRecommendedSharedDataAlignment();
/* How many runrefs given the alignment? */
RunRefSize = Align;
Count = ((Size - sizeof(EX_RUNDOWN_REF_CACHE_AWARE)) / Align) - 1;
Pool = (PVOID)ALIGN_UP_BY(Pool, Align);
} }
/* Initialize the structure */ /* Initialize the structure */