[edk2-devel] [PATCH v4 2/7] OvmfPkg: resolve MmUnblockMemoryLib (mainly for VariableSmmRuntimeDxe)

[Kun Qin]

This change added NULL MmUnblockMemoryLib instance in dsc files of
OvmfPkg to pass CI build. When SMM_REQUIRE flag is set, the library
interface is consumed by VariableSmmRuntimeDxe to better support variable
runtime cache feature.

Cc: Laszlo Ersek <lersek at redhat.com>
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Jordan Justen <jordan.l.justen at intel.com>

Signed-off-by: Kun Qin <kun.q at outlook.com>
Reviewed-by: Laszlo Ersek <lersek at redhat.com>
---

Notes:
    v4:
    - Updated patch title. [Laszlo]
    - Moved this patch before the variable driver change. [Laszlo]
    - Added reviewed-by tag. [Laszlo]
    
    v3:
    - Newly added in v3. [Hao]

 OvmfPkg/OvmfPkgIa32.dsc    | 3 +++
 OvmfPkg/OvmfPkgIa32X64.dsc | 3 +++
 OvmfPkg/OvmfPkgX64.dsc     | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 1b8d34052b01..1eaf3e99c6c5 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -347,6 +347,9 @@ [LibraryClasses.common.DXE_RUNTIME_DRIVER]
   PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
   QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf
   VariablePolicyLib|MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLibRuntimeDxe.inf
+!if $(SMM_REQUIRE) == TRUE
+  MmUnblockMemoryLib|MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
+!endif
 
 [LibraryClasses.common.UEFI_DRIVER]
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 9c1aee87e783..4a5a43014725 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -351,6 +351,9 @@ [LibraryClasses.common.DXE_RUNTIME_DRIVER]
   PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
   QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf
   VariablePolicyLib|MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLibRuntimeDxe.inf
+!if $(SMM_REQUIRE) == TRUE
+  MmUnblockMemoryLib|MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
+!endif
 
 [LibraryClasses.common.UEFI_DRIVER]
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index fabb8b2f29e4..d4d601b44476 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -353,6 +353,9 @@ [LibraryClasses.common.DXE_RUNTIME_DRIVER]
   PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
   QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf
   VariablePolicyLib|MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLibRuntimeDxe.inf
+!if $(SMM_REQUIRE) == TRUE
+  MmUnblockMemoryLib|MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
+!endif
 
 [LibraryClasses.common.UEFI_DRIVER]
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
-- 
2.30.0.windows.1



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