Revision: 19053
http://sourceforge.net/p/edk2/code/19053
Author: lersek
Date: 2015-11-30 18:42:35 +0000 (Mon, 30 Nov 2015)
Log Message:
-----------
OvmfPkg: set gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmEnableBspElection to FALSE
Explanation from Michael Kinney:
This PCD allows a platform to provide PlatformSmmBspElection() in a
platform specific SmmCpuPlatformHookLib instance to decide which CPU
gets elected to be the BSP in each SMI.
The SmmCpuPlatformHookLibNull [instance] always returns EFI_NOT_READY
for that function, which makes the module behave the same as the PCD
being set to FALSE.
The default is TRUE, so the platform lib is always called, so a platform
developer can implement the hook function and does not have to also
change a PCD setting for the hook function to be active.
A platform that wants to eliminate the call to the hook function
[altogether] can set the PCD to FALSE.
So for OVMF, I think it makes sense to set this PCD to FALSE in the DSC
file.
Suggested-by: Michael Kinney <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2015-11-30 18:42:31 UTC (rev 19052)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2015-11-30 18:42:35 UTC (rev 19053)
@@ -344,6 +344,7 @@
!endif
!if $(SMM_REQUIRE) == TRUE
gUefiOvmfPkgTokenSpaceGuid.PcdSmmSmramRequire|TRUE
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmEnableBspElection|FALSE
!endif
[PcdsFixedAtBuild]
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2015-11-30 18:42:31 UTC (rev
19052)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2015-11-30 18:42:35 UTC (rev
19053)
@@ -349,6 +349,7 @@
!endif
!if $(SMM_REQUIRE) == TRUE
gUefiOvmfPkgTokenSpaceGuid.PcdSmmSmramRequire|TRUE
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmEnableBspElection|FALSE
!endif
[PcdsFixedAtBuild]
Modified: trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2015-11-30 18:42:31 UTC (rev 19052)
+++ trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2015-11-30 18:42:35 UTC (rev 19053)
@@ -349,6 +349,7 @@
!endif
!if $(SMM_REQUIRE) == TRUE
gUefiOvmfPkgTokenSpaceGuid.PcdSmmSmramRequire|TRUE
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmEnableBspElection|FALSE
!endif
[PcdsFixedAtBuild]
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