Re: [edk2-devel] [PATCH 12/18] UefiCpuPkg: Remove code to load mtrr setting

["Ni, Ray" <ray.ni@intel.com>]

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Reviewed-by: Ray Ni <ray.ni@intel.com>

Thanks,
Ray
________________________________
From: Tan, Dun <dun.tan@intel.com>
Sent: Friday, May 10, 2024 18:08
To: devel@edk2.groups.io <devel@edk2.groups.io>
Cc: Ni, Ray <ray.ni@intel.com>; Laszlo Ersek <lersek@redhat.com>; Kumar, Rahul R <rahul.r.kumar@intel.com>; Gerd Hoffmann <kraxel@redhat.com>; Wu, Jiaxin <jiaxin.wu@intel.com>
Subject: [PATCH 12/18] UefiCpuPkg: Remove code to load mtrr setting

Remove code to load mtrr setting in CpuS3.c.
In previous commits, before transferring to
CpuS3.c, MTRR setting has been loaded in
S3RestoreConfig2() for all CPU.

Signed-off-by: Dun Tan <dun.tan@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
---
 UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c | 32 --------------------------------
 1 file changed, 32 deletions(-)

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
index d67fb49890..7ac6b62676 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
@@ -91,36 +91,6 @@ UINT8  mApHltLoopCodeTemplate[] = {
   0xEB, 0xFC              // jmp $-2
 };

-/**
-  Sync up the MTRR values for all processors.
-
-  @param MtrrTable  Table holding fixed/variable MTRR values to be loaded.
-**/
-VOID
-EFIAPI
-LoadMtrrData (
-  EFI_PHYSICAL_ADDRESS  MtrrTable
-  )
-
-/*++
-
-Routine Description:
-
-  Sync up the MTRR values for all processors.
-
-Arguments:
-
-Returns:
-    None
-
---*/
-{
-  MTRR_SETTINGS  *MtrrSettings;
-
-  MtrrSettings = (MTRR_SETTINGS *)(UINTN)MtrrTable;
-  MtrrSetAllMtrrs (MtrrSettings);
-}
-
 /**
   Increment semaphore by 1.

@@ -554,8 +524,6 @@ InitializeCpuBeforeRebase (
   IN BOOLEAN  IsBsp
   )
 {
-  LoadMtrrData (mAcpiCpuData.MtrrTable);
-
   SetRegister (TRUE);

   ProgramVirtualWireMode ();
--
2.31.1.windows.1



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