12/13: [NTOSKRNL] Implement ExfRundownCompletedCacheAware()

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=05cca6444806751f294e8…

commit 05cca6444806751f294e8a82c24190762cbd056c
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Sat Nov 17 16:38:36 2018 +0100
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Sat Nov 17 16:44:37 2018 +0100

    [NTOSKRNL] Implement ExfRundownCompletedCacheAware()
---
 ntoskrnl/ex/rundown.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/ntoskrnl/ex/rundown.c b/ntoskrnl/ex/rundown.c
index 95ca8afbf5..240d599703 100644
--- a/ntoskrnl/ex/rundown.c
+++ b/ntoskrnl/ex/rundown.c
@@ -501,14 +501,31 @@ ExfWaitForRundownProtectionReleaseCacheAware(IN
PEX_RUNDOWN_REF_CACHE_AWARE RunR
 }
 
 /*
- * @unimplemented NT5.2
+ * @implemented NT5.2
  */
 VOID
 FASTCALL
 ExfRundownCompletedCacheAware(IN PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware)
 {
-    DBG_UNREFERENCED_PARAMETER(RunRefCacheAware);
-    UNIMPLEMENTED;
+    PEX_RUNDOWN_REF RunRef;
+    ULONG ProcCount, Current;
+
+    ProcCount = RunRefCacheAware->Number;
+    /* No proc, nothing to do */
+    if (ProcCount == 0)
+    {
+        return;
+    }
+
+    /* We will mark all our runrefs active */
+    for (Current = 0; Current < ProcCount; ++Current)
+    {
+        /* Get the runref for the proc */
+        RunRef = ExGetRunRefForGivenProcessor(RunRefCacheAware, Current);
+        ASSERT((RunRef->Count & EX_RUNDOWN_ACTIVE) != 0);
+
+        ExpSetRundown(RunRef, EX_RUNDOWN_ACTIVE);
+    }
 }
 
 /*