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UefiCpuPkg/MtrrLib: Add notes for usage by BSP/APs 

Except for MtrrSetAllMtrrs(), others services are not suggested to be invoked by
APs because they are not necessary and may invoke DEBUG() to dump MTRR setting.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Jeff Fan 2016-07-19 08:41:57 +08:00
parent 9fc34794d6
commit 81f560498b
1 changed files with 4 additions and 0 deletions
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UefiCpuPkg/Library/MtrrLib/MtrrLib.c
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@ -1,6 +1,10 @@
/** @file /** @file
MTRR setting library MTRR setting library
@par Note:
Most of services in this library instance are suggested to be invoked by BSP only,
except for MtrrSetAllMtrrs() which is used to sync BSP's MTRR setting to APs.
Copyright (c) 2008 - 2016, Intel Corporation. All rights reserved.<BR> Copyright (c) 2008 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License