[edk2-devel] [PATCH 3/4] UefiCpuPkg/SmmCpuFeaturesLib: drop obsolete API implementation
Laszlo Ersek
lersek at redhat.com
Tue Jan 3 15:02:43 UTC 2023
Commit 0426115b6738 ("UefiCpuPkg: Remove unused API in
SmmCpuFeaturesLib.h", 2022-12-21) removed the declaration of the function
SmmCpuFeaturesAllocatePageTableMemory() from the "SmmCpuFeaturesLib.h"
library class header.
Remove the API's (null-)implementation from UefiCpuPkg/SmmCpuFeaturesLib
as well.
Build-tested with:
build -a IA32 -a X64 -b NOOPT -p UefiCpuPkg/UefiCpuPkg.dsc -t GCC5
Cc: Eric Dong <eric.dong at intel.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Rahul Kumar <rahul1.kumar at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=4235
Signed-off-by: Laszlo Ersek <lersek at redhat.com>
---
UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c | 28 --------------------
1 file changed, 28 deletions(-)
diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c
index 7777e52740eb..5498fda38da4 100644
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c
+++ b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c
@@ -186,31 +186,3 @@ SmmCpuFeaturesCompleteSmmReadyToLock (
)
{
}
-
-/**
- This API provides a method for a CPU to allocate a specific region for storing page tables.
-
- This API can be called more once to allocate memory for page tables.
-
- Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the
- allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
- is returned. If there is not enough memory remaining to satisfy the request, then NULL is
- returned.
-
- This function can also return NULL if there is no preference on where the page tables are allocated in SMRAM.
-
- @param Pages The number of 4 KB pages to allocate.
-
- @return A pointer to the allocated buffer for page tables.
- @retval NULL Fail to allocate a specific region for storing page tables,
- Or there is no preference on where the page tables are allocated in SMRAM.
-
-**/
-VOID *
-EFIAPI
-SmmCpuFeaturesAllocatePageTableMemory (
- IN UINTN Pages
- )
-{
- return NULL;
-}
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