85 lines
3.5 KiB
Diff
85 lines
3.5 KiB
Diff
From 2dd5afb5f43f645041b91c8fa6f797121a384061 Mon Sep 17 00:00:00 2001
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From: YuanhaoXie <yuanhao.xie@intel.com>
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Date: Tue, 22 Aug 2023 09:52:14 +0800
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Subject: [PATCH 18/20] OvmfPkg: Disable PcdFirstTimeWakeUpAPsBySipi
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Disable PcdFirstTimeWakeUpAPsBySipi for IntelTdx, Microvm, and Xen to
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preserve the original execution of INIT-SIPI-SIPI.
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Cc: Eric Dong <eric.dong@intel.com>
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Cc: Ray Ni <ray.ni@intel.com>
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Cc: Rahul Kumar <rahul1.kumar@intel.com>
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Cc: Gerd Hoffmann <kraxel@redhat.com>
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Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
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Cc: Jiewen Yao <jiewen.yao@intel.com>
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Cc: Jordan Justen <jordan.l.justen@intel.com>
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Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com>
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Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 020cc9e2e7053bb62247b0babbbe80cb855592e5)
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---
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OvmfPkg/IntelTdx/IntelTdxX64.dsc | 8 ++++++++
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OvmfPkg/Microvm/MicrovmX64.dsc | 8 ++++++++
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OvmfPkg/OvmfXen.dsc | 8 ++++++++
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3 files changed, 24 insertions(+)
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diff --git a/OvmfPkg/IntelTdx/IntelTdxX64.dsc b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
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index bfcd486976cf..cfd5e8516ea4 100644
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--- a/OvmfPkg/IntelTdx/IntelTdxX64.dsc
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+++ b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
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@@ -463,6 +463,14 @@ [PcdsFixedAtBuild]
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# Point to the MdeModulePkg/Application/UiApp/UiApp.inf
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gEfiMdeModulePkgTokenSpaceGuid.PcdBootManagerMenuFile|{ 0x21, 0xaa, 0x2c, 0x46, 0x14, 0x76, 0x03, 0x45, 0x83, 0x6e, 0x8a, 0xb6, 0xf4, 0x66, 0x23, 0x31 }
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+ #
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+ # PcdFirstTimeWakeUpAPsBySipi determines whether to employ
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+ # SIPI instead of the INIT-SIPI-SIPI sequence during APs
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+ # initialization. Deactivate this parameter to preserve
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+ # the original execution of INIT-SIPI-SIPI.
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+ #
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+ gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
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+
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################################################################################
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#
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# Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform
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diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc b/OvmfPkg/Microvm/MicrovmX64.dsc
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index 023b7b0fe959..3cb2b6ddc490 100644
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--- a/OvmfPkg/Microvm/MicrovmX64.dsc
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+++ b/OvmfPkg/Microvm/MicrovmX64.dsc
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@@ -566,6 +566,14 @@ [PcdsFixedAtBuild]
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gEfiMdeModulePkgTokenSpaceGuid.PcdSerialPciDeviceInfo|{0xFF}
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gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x3f8
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+ #
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+ # PcdFirstTimeWakeUpAPsBySipi determines whether to employ
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+ # SIPI instead of the INIT-SIPI-SIPI sequence during APs
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+ # initialization. Deactivate this parameter to preserve
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+ # the original execution of INIT-SIPI-SIPI.
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+ #
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+ gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
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+
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################################################################################
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#
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# Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform
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diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
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index 210578c1d74d..dcb99d1f0bce 100644
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--- a/OvmfPkg/OvmfXen.dsc
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+++ b/OvmfPkg/OvmfXen.dsc
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@@ -458,6 +458,14 @@ [PcdsFixedAtBuild]
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# We populate DXE IPL tables with 1G pages preferably on Xen
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gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable|TRUE
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+ #
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+ # PcdFirstTimeWakeUpAPsBySipi determines whether to employ
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+ # SIPI instead of the INIT-SIPI-SIPI sequence during APs
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+ # initialization. Deactivate this parameter to preserve
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+ # the original execution of INIT-SIPI-SIPI.
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+ #
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+ gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
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+
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################################################################################
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#
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# Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform
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--
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2.41.0
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