[edk2-devel] [RFC PATCH v3 43/43] MdeModulePkg/DxeCore: Perform the CPU protocol finalization support
Lendacky, Thomas
thomas.lendacky at amd.com
Wed Nov 20 21:32:49 UTC 2019
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198
Invoke the CPU finalization function when exiting boot services. This
allows for DXE and the MP Library to properly setup and park APs for an
SEV-ES guest so that they can be booted in the OS.
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Hao A Wu <hao.a.wu at intel.com>
Cc: Dandan Bi <dandan.bi at intel.com>
Cc: Liming Gao <liming.gao at intel.com>
Signed-off-by: Tom Lendacky <thomas.lendacky at amd.com>
---
MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
index 514d1aa75ada..13c962247243 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
+++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
@@ -785,6 +785,11 @@ CoreExitBootServices (
//
gCpu->DisableInterrupt (gCpu);
+ //
+ // Finalize CPU
+ //
+ gCpu->Finalize (gCpu);
+
//
// Clear the non-runtime values of the EFI System Table
//
--
2.17.1
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