From eccc28bfcb91b5d72adf173d7404652c7aa63c26 Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Fri, 11 Mar 2016 00:07:16 +0100 Subject: [PATCH] OvmfPkg: disable PcdHiiOsRuntimeSupport Edk2 commit 8a45f80edad4 ("MdeModulePkg: Make HII configuration settings available to OS runtime") implements the optional UEFI feature described in "31.2.11.1 OS Runtime Utilization" in UEFI v2.6. While this feature might show benefits down the road even in QEMU virtual machines, at the moment it only presents drawbacks: - it increases the EfiRuntimeServicesData footprint, - it triggers HII compatibility problems between edk2 and external drivers unconditionally, even if the end-user is not interested in HII and/or in configuring said drivers (see and for an example). While the feature was being introduced, popular demand for a controlling Feature PCD rose (see ), which is why we can set it now to FALSE. Cc: Jordan Justen Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Jordan Justen --- OvmfPkg/OvmfPkgIa32.dsc | 1 + OvmfPkg/OvmfPkgIa32X64.dsc | 1 + OvmfPkg/OvmfPkgX64.dsc | 1 + 3 files changed, 3 insertions(+) diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 19146f2bbb..d296d932f9 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -358,6 +358,7 @@ # ################################################################################ [PcdsFeatureFlag] + gEfiMdeModulePkgTokenSpaceGuid.PcdHiiOsRuntimeSupport|FALSE gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseSerial|FALSE gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseMemory|TRUE gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSupportUefiDecompress|FALSE diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index e8b3ee3a11..8489b77e88 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -363,6 +363,7 @@ # ################################################################################ [PcdsFeatureFlag] + gEfiMdeModulePkgTokenSpaceGuid.PcdHiiOsRuntimeSupport|FALSE gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseSerial|FALSE gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseMemory|TRUE gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSupportUefiDecompress|FALSE diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 18a467795e..24fa073542 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -363,6 +363,7 @@ # ################################################################################ [PcdsFeatureFlag] + gEfiMdeModulePkgTokenSpaceGuid.PcdHiiOsRuntimeSupport|FALSE gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseSerial|FALSE gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseMemory|TRUE gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSupportUefiDecompress|FALSE -- 2.39.2