From ff379e1b489f1cde5edff1ef564ea97616e71972 Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Tue, 3 Jan 2023 16:02:43 +0100 Subject: [PATCH] UefiCpuPkg/SmmCpuFeaturesLib: drop obsolete API implementation 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 Cc: Gerd Hoffmann Cc: Rahul Kumar Cc: Ray Ni Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=4235 Signed-off-by: Laszlo Ersek Reviewed-by: Ard Biesheuvel Acked-by: Dun Tan --- .../SmmCpuFeaturesLibCommon.c | 28 ------------------- 1 file changed, 28 deletions(-) diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibCommon.c index 7777e52740..5498fda38d 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; -} -- 2.39.2