From: "Ni, Ray" <ray.ni@intel.com>
To: "Tan, Dun" <dun.tan@intel.com>,
"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Dong, Eric" <eric.dong@intel.com>,
"Kumar, Rahul R" <rahul.r.kumar@intel.com>,
Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Patch V5 08/14] UefiCpuPkg: Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h
Date: Thu, 8 Jun 2023 10:21:48 +0000 [thread overview]
Message-ID: <MN6PR11MB8244EB923814D822BA0DCDA98C50A@MN6PR11MB8244.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20230608022742.1292-9-dun.tan@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
> -----Original Message-----
> From: Tan, Dun <dun.tan@intel.com>
> Sent: Thursday, June 8, 2023 10:28 AM
> To: devel@edk2.groups.io
> Cc: Dong, Eric <eric.dong@intel.com>; Ni, Ray <ray.ni@intel.com>; Kumar,
> Rahul R <rahul.r.kumar@intel.com>; Gerd Hoffmann <kraxel@redhat.com>
> Subject: [Patch V5 08/14] UefiCpuPkg: Extern mSmmShadowStackSize in
> PiSmmCpuDxeSmm.h
>
> Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h and remove
> extern for mSmmShadowStackSize in c files to simplify code.
>
> Signed-off-by: Dun Tan <dun.tan@intel.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Cc: Rahul Kumar <rahul1.kumar@intel.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> ---
> UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c | 3 +--
> UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 2 --
> UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 1 +
> UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 2 --
> UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c | 3 +--
> 5 files changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
> index 6c48a53f67..636dc8d92f 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmmFuncsArch.c
> @@ -1,7 +1,7 @@
> /** @file
> SMM CPU misc functions for Ia32 arch specific.
>
> -Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2015 - 2023, Intel Corporation. All rights reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -14,7 +14,6 @@ EFI_PHYSICAL_ADDRESS mGdtBuffer;
> UINTN mGdtBufferSize;
>
> extern BOOLEAN mCetSupported;
> -extern UINTN mSmmShadowStackSize;
>
> X86_ASSEMBLY_PATCH_LABEL mPatchCetPl0Ssp;
> X86_ASSEMBLY_PATCH_LABEL mPatchCetInterruptSsp;
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
> index baf827cf9d..1878252eac 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
> @@ -29,8 +29,6 @@ MM_COMPLETION mSmmStartupThisApToken;
> //
> UINT32 *mPackageFirstThreadIndex = NULL;
>
> -extern UINTN mSmmShadowStackSize;
> -
> /**
> Performs an atomic compare exchange operation to get semaphore.
> The compare exchange operation must be performed using
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
> b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
> index e0c4ca76dc..a7da9673a5 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
> @@ -262,6 +262,7 @@ extern EFI_SMM_CPU_PROTOCOL mSmmCpu;
> extern EFI_MM_MP_PROTOCOL mSmmMp;
> extern BOOLEAN m5LevelPagingNeeded;
> extern PAGING_MODE mPagingMode;
> +extern UINTN mSmmShadowStackSize;
>
> ///
> /// The mode of the CPU at the time an SMI occurs
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> index 0bed857cae..46d8ff5d4e 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
> @@ -13,8 +13,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> #define PAGE_TABLE_PAGES 8
> #define ACC_MAX_BIT BIT3
>
> -extern UINTN mSmmShadowStackSize;
> -
> LIST_ENTRY mPagePool = INITIALIZE_LIST_HEAD_VARIABLE
> (mPagePool);
> BOOLEAN m1GPageTableSupport = FALSE;
> BOOLEAN mCpuSmmRestrictedMemoryAccess;
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
> index 00a284c369..c4f21e2155 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
> @@ -1,7 +1,7 @@
> /** @file
> SMM CPU misc functions for x64 arch specific.
>
> -Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2015 - 2023, Intel Corporation. All rights reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -12,7 +12,6 @@ EFI_PHYSICAL_ADDRESS mGdtBuffer;
> UINTN mGdtBufferSize;
>
> extern BOOLEAN mCetSupported;
> -extern UINTN mSmmShadowStackSize;
>
> X86_ASSEMBLY_PATCH_LABEL mPatchCetPl0Ssp;
> X86_ASSEMBLY_PATCH_LABEL mPatchCetInterruptSsp;
> --
> 2.31.1.windows.1
next prev parent reply other threads:[~2023-06-08 10:21 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-08 2:27 [Patch V5 00/14] Use CpuPageTableLib to create and update smm page table duntan
2023-06-08 2:27 ` [Patch V5 01/14] OvmfPkg:Remove code that apply AddressEncMask to non-leaf entry duntan
2023-06-08 10:33 ` Ni, Ray
2023-06-19 10:26 ` [edk2-devel] " Gerd Hoffmann
2023-06-08 2:27 ` [Patch V5 02/14] MdeModulePkg: Remove RO and NX protection when unset guard page duntan
2023-06-08 10:08 ` Ni, Ray
2023-06-08 12:18 ` [edk2-devel] " Ard Biesheuvel
2023-06-09 9:10 ` duntan
2023-06-08 2:27 ` [Patch V5 03/14] UefiCpuPkg: Use CpuPageTableLib to convert SMM paging attribute duntan
2023-06-08 10:24 ` Ni, Ray
2023-06-08 2:27 ` [Patch V5 04/14] UefiCpuPkg: Add DEBUG_CODE for special case when clear RP duntan
2023-06-08 10:33 ` Ni, Ray
2023-06-08 2:27 ` [Patch V5 05/14] UefiCpuPkg/PiSmmCpuDxeSmm: Avoid setting non-present range to RO/NX duntan
2023-06-08 10:32 ` [edk2-devel] " Ni, Ray
2023-06-08 2:27 ` [Patch V5 06/14] UefiCpuPkg/PiSmmCpuDxeSmm: Add 2 function to disable/enable CR0.WP duntan
2023-06-08 2:27 ` [Patch V5 07/14] UefiCpuPkg/PiSmmCpuDxeSmm: Clear CR0.WP before modify page table duntan
2023-06-08 2:27 ` [Patch V5 08/14] UefiCpuPkg: Extern mSmmShadowStackSize in PiSmmCpuDxeSmm.h duntan
2023-06-08 10:21 ` Ni, Ray [this message]
2023-06-08 2:27 ` [Patch V5 09/14] UefiCpuPkg: Add GenSmmPageTable() to create smm page table duntan
2023-06-08 10:16 ` Ni, Ray
2023-06-08 2:27 ` [Patch V5 10/14] UefiCpuPkg: Use GenSmmPageTable() to create Smm S3 " duntan
2023-06-08 2:27 ` [Patch V5 11/14] UefiCpuPkg: Sort mSmmCpuSmramRanges in FindSmramInfo duntan
2023-06-08 10:16 ` Ni, Ray
2023-06-08 2:27 ` [Patch V5 12/14] UefiCpuPkg: Sort mProtectionMemRange when ReadyToLock duntan
2023-06-08 10:17 ` Ni, Ray
2023-06-08 2:27 ` [Patch V5 13/14] UefiCpuPkg: Refinement to smm runtime InitPaging() code duntan
2023-06-08 10:18 ` Ni, Ray
2023-06-08 2:27 ` [Patch V5 14/14] UefiCpuPkg/PiSmmCpuDxeSmm: Remove unnecessary function duntan
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