diff options
| -rw-r--r-- | IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c b/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c index 7582054e70..01bc215ccd 100644 --- a/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c +++ b/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c @@ -58,6 +58,7 @@ DataHubLogData ( DATA_HUB_FILTER_DRIVER *FilterEntry;
LIST_ENTRY *Link;
LIST_ENTRY *Head;
+ EFI_TIME LogTime;
Private = DATA_HUB_INSTANCE_FROM_THIS (This);
@@ -69,10 +70,18 @@ DataHubLogData ( //
RecordSize = sizeof (EFI_DATA_RECORD_HEADER) + RawDataSize;
TotalSize = sizeof (EFI_DATA_ENTRY) + RecordSize;
+
+ //
+ // First try to get log time at TPL level <= TPL_CALLBACK.
+ //
+ ZeroMem (&LogTime, sizeof (LogTime));
+ if (EfiGetCurrentTpl() <= TPL_CALLBACK) {
+ gRT->GetTime (&LogTime, NULL);
+ }
//
// The Logging action is the critical section, so it is locked.
- // The MTC asignment & update, time, and logging must be an
+ // The MTC asignment & update and logging must be an
// atomic operation, so use the lock.
//
Status = EfiAcquireLockOrFail (&Private->DataLock);
@@ -110,7 +119,7 @@ DataHubLogData ( //
Record->LogMonotonicCount = ++Private->GlobalMonotonicCount;
- gRT->GetTime (&Record->LogTime, NULL);
+ CopyMem (&Record->LogTime, &LogTime, sizeof (LogTime));
//
// Insert log into the internal linked list.
@@ -551,7 +560,7 @@ DataHubInstall ( InitializeListHead (&mPrivateData.DataListHead);
InitializeListHead (&mPrivateData.FilterDriverListHead);
- EfiInitializeLock (&mPrivateData.DataLock, TPL_CALLBACK);
+ EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);
//
// Make sure we get a bigger MTC number on every boot!
|