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>
Subject: Re: [PATCH 2/3] UefiCpuPkg: Remove unused API in SmmCpuFeaturesLib.h
Date: Mon, 19 Dec 2022 06:37:57 +0000 [thread overview]
Message-ID: <MWHPR11MB1631056B107345227E17570A8CE59@MWHPR11MB1631.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20221216030059.1373-3-dun.tan@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
> -----Original Message-----
> From: Tan, Dun <dun.tan@intel.com>
> Sent: Friday, December 16, 2022 11:01 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>
> Subject: [PATCH 2/3] UefiCpuPkg: Remove unused API in SmmCpuFeaturesLib.h
>
> Remove SmmCpuFeaturesAllocatePageTableMemory in this headfile.
> This API is not used by PiSmmCpuDxeSmm driver any more. Also
> no other files use this API.
>
> 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>
> ---
> UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h | 25 -------------------------
> 1 file changed, 25 deletions(-)
>
> diff --git a/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h b/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h
> index 54cae865a2..52160c7145 100644
> --- a/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h
> +++ b/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h
> @@ -386,29 +386,4 @@ SmmCpuFeaturesCompleteSmmReadyToLock (
> VOID
> );
>
> -/**
> - 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
> - );
> -
> #endif
> --
> 2.31.1.windows.1
next prev parent reply other threads:[~2022-12-19 6:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-16 3:00 [PATCH 0/3] Introduce page table pool mechanism in SMM page table duntan
2022-12-16 3:00 ` [PATCH 1/3] UefiCpuPkg/PiSmmCpuDxeSmm: Introduce page table pool mechanism duntan
2022-12-19 6:37 ` Ni, Ray
2022-12-16 3:00 ` [PATCH 2/3] UefiCpuPkg: Remove unused API in SmmCpuFeaturesLib.h duntan
2022-12-19 6:37 ` Ni, Ray [this message]
2022-12-16 3:00 ` [PATCH 3/3] UefiCpuPkg: Simplify the code to set smm page table as RO duntan
2022-12-19 7:53 ` Ni, Ray
2022-12-21 3:37 ` duntan
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