1. Save/restore ICR high 32bit value and check Delivery Status before sending IPI...

[mirror_edk2.git] / UefiCpuPkg / Include / Library / LocalApicLib.h

diff --git a/UefiCpuPkg/Include/Library/LocalApicLib.h b/UefiCpuPkg/Include/Library/LocalApicLib.h
index 896020487650dd3b440e993152b89b964b95ddc3..b92b99e11519638a7feb77eccfd57a5740ad24d6 100644 (file)
--- a/UefiCpuPkg/Include/Library/LocalApicLib.h
+++ b/UefiCpuPkg/Include/Library/LocalApicLib.h
@@ -4,7 +4,7 @@
   Local APIC library assumes local APIC is enabled. It does not\r
   handles cases where local APIC is disabled.\r
 \r
-  Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -68,6 +68,9 @@ GetApicMode (
   If the specified local APIC mode can't be set as current, then ASSERT.\r
 \r
   @param ApicMode APIC mode to be set.\r
+\r
+  @note  This API must not be called from an interrupt handler or SMI handler.\r
+         It may result in unpredictable behavior.\r
 **/\r
 VOID\r
 EFIAPI\r