From: "Yuanhao Xie" <yuanhao.xie@intel.com>
To: devel@edk2.groups.io
Cc: xieyuanh <yuanhao.xie@intel.com>, Ray Ni <ray.ni@intel.com>,
Eric Dong <eric.dong@intel.com>,
Rahul Kumar <rahul1.kumar@intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
Laszlo Ersek <lersek@redhat.com>
Subject: [edk2-devel] [Patch V3 2/3] UefiCpuPkg/MpInitLib: Store MTRRs settings only when CpuCount>1
Date: Wed, 22 Nov 2023 14:08:33 +0800 [thread overview]
Message-ID: <20231122060834.3467-3-yuanhao.xie@intel.com> (raw)
In-Reply-To: <20231122060834.3467-1-yuanhao.xie@intel.com>
Store BSP's MTRR setting only when CpuCount>1.
Cc: Ray Ni <ray.ni@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com>
---
UefiCpuPkg/Library/MpInitLib/MpLib.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index c26a17e1db..538095d3bb 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -2243,15 +2243,14 @@ MpInitLibInitialize (
MicrocodeDetect (CpuMpData, CpuMpData->BspNumber);
}
- //
- // Store BSP's MTRR setting
- //
- MtrrGetAllMtrrs (&CpuMpData->MtrrTable);
-
//
// Wakeup APs to do some AP initialize sync (MTRR and/or Microcode).
//
if (CpuMpData->CpuCount > 1) {
+ //
+ // Store BSP's MTRR setting
+ //
+ MtrrGetAllMtrrs (&CpuMpData->MtrrTable);
if (MpHandOff != NULL) {
//
// Only needs to use this flag for DXE phase to update the wake up
--
2.39.1.windows.1
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next prev parent reply other threads:[~2023-11-22 6:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-22 6:08 [edk2-devel] [Patch V3 0/3] UefiCpuPkg/MpInitLib: Eliminate redundant microcode loading in DXE Yuanhao Xie
2023-11-22 6:08 ` [edk2-devel] [Patch V3 1/3] " Yuanhao Xie
2023-11-23 1:18 ` Ni, Ray
2023-11-23 1:18 ` Ni, Ray
2023-11-24 3:06 ` Yuanhao Xie
2023-11-22 6:08 ` Yuanhao Xie [this message]
2023-11-23 1:21 ` [edk2-devel] [Patch V3 2/3] UefiCpuPkg/MpInitLib: Store MTRRs settings only when CpuCount>1 Ni, Ray
2023-11-22 6:08 ` [edk2-devel] [Patch V3 3/3] UefiCpuPkg/MpInitLib: Extract Dump Microcode Revision as function Yuanhao Xie
2023-11-23 1:23 ` Ni, Ray
2023-11-24 3:02 ` Yuanhao Xie
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