X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EdkModulePkg%2FUniversal%2FStatusCode%2FDxe%2FSerialStatusCodeWorker.c;h=0b16dfeadb5d8b562a962a3f5cf4606ca641a8dd;hp=d4912836bccb020658d042b775c2c5181f671f66;hb=35d4cd92bd21a3538f6c300723b715b1df6911bb;hpb=affa5a128c1a10424bb2fa9b7dd3d2b3f6091f33

diff --git a/EdkModulePkg/Universal/StatusCode/Dxe/SerialStatusCodeWorker.c b/EdkModulePkg/Universal/StatusCode/Dxe/SerialStatusCodeWorker.c
index d4912836bc..0b16dfeadb 100644
--- a/EdkModulePkg/Universal/StatusCode/Dxe/SerialStatusCodeWorker.c
+++ b/EdkModulePkg/Universal/StatusCode/Dxe/SerialStatusCodeWorker.c
@@ -90,10 +90,19 @@ SerialStatusCodeReportWorker (
   UINTN           CharCount;
   VA_LIST         Marker;
   EFI_DEBUG_INFO  *DebugInfo;
+  EFI_TPL         CurrentTpl;
 
 
-  if (FeaturePcdGet (PcdStatusCodeUseEfiSerial) && EfiAtRuntime ()) {
-    return EFI_DEVICE_ERROR;
+  if (FeaturePcdGet (PcdStatusCodeUseEfiSerial)) {
+    if (EfiAtRuntime ()) {
+      return EFI_DEVICE_ERROR;
+    }
+    CurrentTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL);
+    gBS->RestoreTPL (CurrentTpl);
+
+    if (CurrentTpl > EFI_TPL_CALLBACK ) {
+      return EFI_DEVICE_ERROR;
+    }
   }
 
   Buffer[0] = '\0';