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 12/14] UefiCpuPkg: Sort mProtectionMemRange when ReadyToLock
Date: Thu, 8 Jun 2023 10:17:15 +0000 [thread overview]
Message-ID: <MN6PR11MB8244FD1724DA07088659C0D68C50A@MN6PR11MB8244.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20230608022742.1292-13-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 12/14] UefiCpuPkg: Sort mProtectionMemRange when
> ReadyToLock
>
> Sort mProtectionMemRange in InitProtectedMemRange() when
> ReadyToLock.
>
> 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/SmmProfile.c | 32
> ++++++++++++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
>
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
> index 5625ba0cac..2a1f132b29 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
> @@ -375,6 +375,32 @@ IsAddressSplit (
> return FALSE;
> }
>
> +/**
> + Function to compare 2 MEMORY_PROTECTION_RANGE based on range
> base.
> +
> + @param[in] Buffer1 pointer to Device Path poiner to compare
> + @param[in] Buffer2 pointer to second DevicePath pointer to compare
> +
> + @retval 0 Buffer1 equal to Buffer2
> + @retval <0 Buffer1 is less than Buffer2
> + @retval >0 Buffer1 is greater than Buffer2
> +**/
> +INTN
> +EFIAPI
> +ProtectionRangeCompare (
> + IN CONST VOID *Buffer1,
> + IN CONST VOID *Buffer2
> + )
> +{
> + if (((MEMORY_PROTECTION_RANGE *)Buffer1)->Range.Base >
> ((MEMORY_PROTECTION_RANGE *)Buffer2)->Range.Base) {
> + return 1;
> + } else if (((MEMORY_PROTECTION_RANGE *)Buffer1)->Range.Base <
> ((MEMORY_PROTECTION_RANGE *)Buffer2)->Range.Base) {
> + return -1;
> + }
> +
> + return 0;
> +}
> +
> /**
> Initialize the protected memory ranges and the 4KB-page mapped memory
> ranges.
>
> @@ -397,6 +423,7 @@ InitProtectedMemRange (
> EFI_PHYSICAL_ADDRESS Base2MBAlignedAddress;
> UINT64 High4KBPageSize;
> UINT64 Low4KBPageSize;
> + MEMORY_PROTECTION_RANGE MemProtectionRange;
>
> NumberOfDescriptors = 0;
> NumberOfAddedDescriptors = mSmmCpuSmramRangeCount;
> @@ -533,6 +560,11 @@ InitProtectedMemRange (
>
> mSplitMemRangeCount = NumberOfSpliteRange;
>
> + //
> + // Sort the mProtectionMemRange
> + //
> + QuickSort (mProtectionMemRange, mProtectionMemRangeCount, sizeof
> (MEMORY_PROTECTION_RANGE),
> (BASE_SORT_COMPARE)ProtectionRangeCompare, &MemProtectionRange);
> +
> DEBUG ((DEBUG_INFO, "SMM Profile Memory Ranges:\n"));
> for (Index = 0; Index < mProtectionMemRangeCount; Index++) {
> DEBUG ((DEBUG_INFO, "mProtectionMemRange[%d].Base = %lx\n", Index,
> mProtectionMemRange[Index].Range.Base));
> --
> 2.31.1.windows.1
next prev parent reply other threads:[~2023-06-08 10:17 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=MN6PR11MB8244FD1724DA07088659C0D68C50A@MN6PR11MB8244.namprd11.prod.outlook.com \
--to=devel@edk2.groups.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox