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From: "Taylor Beebe" <taylor.d.beebe@gmail.com>
To: devel@edk2.groups.io
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Leif Lindholm <quic_llindhol@quicinc.com>,
	Sami Mujawar <sami.mujawar@arm.com>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: [edk2-devel] [PATCH v2 24/25] ArmVirtPkg: Delete Memory Protection PCDs
Date: Fri, 18 Aug 2023 15:31:56 -0700	[thread overview]
Message-ID: <20230818223159.1073-25-taylor.d.beebe@gmail.com> (raw)
In-Reply-To: <20230818223159.1073-1-taylor.d.beebe@gmail.com>

Now that the transition to use SetMemoryProtectionsLib and
GetMemoryProtectionsLib is complete, delete the memory protection PCDs
to avoid confusing the interface. All memory protection settings
will now be set and consumed via the libraries.

Signed-off-by: Taylor Beebe <taylor.d.beebe@gmail.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
---
 ArmVirtPkg/ArmVirt.dsc.inc    | 15 ---------------
 ArmVirtPkg/ArmVirtCloudHv.dsc |  5 -----
 ArmVirtPkg/ArmVirtQemu.dsc    |  5 -----
 3 files changed, 25 deletions(-)

diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
index 6de28d0e0d4e..2df479331ae6 100644
--- a/ArmVirtPkg/ArmVirt.dsc.inc
+++ b/ArmVirtPkg/ArmVirt.dsc.inc
@@ -360,21 +360,6 @@ [PcdsFixedAtBuild.common]
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderCode|20
   gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderData|0
 
-  #
-  # Enable strict image permissions for all images. (This applies
-  # only to images that were built with >= 4 KB section alignment.)
-  #
-  gEfiMdeModulePkgTokenSpaceGuid.PcdImageProtectionPolicy|0x3
-
-  #
-  # Enable NX memory protection for all non-code regions, including OEM and OS
-  # reserved ones, with the exception of LoaderData regions, of which OS loaders
-  # (i.e., GRUB) may assume that its contents are executable.
-  #
-  gEfiMdeModulePkgTokenSpaceGuid.PcdDxeNxMemoryProtectionPolicy|0xC000000000007FD5
-
-  gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard|TRUE
-
 [Components.common]
   #
   # Ramdisk support
diff --git a/ArmVirtPkg/ArmVirtCloudHv.dsc b/ArmVirtPkg/ArmVirtCloudHv.dsc
index c975e139a216..c4c3e0da4491 100644
--- a/ArmVirtPkg/ArmVirtCloudHv.dsc
+++ b/ArmVirtPkg/ArmVirtCloudHv.dsc
@@ -140,11 +140,6 @@ [PcdsFixedAtBuild.common]
   #
   gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize|16
 
-  #
-  # Enable the non-executable DXE stack. (This gets set up by DxeIpl)
-  #
-  gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
-
 !if $(SECURE_BOOT_ENABLE) == TRUE
   # override the default values from SecurityPkg to ensure images from all sources are verified in secure boot
   gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x04
diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
index 1e0225951aef..214e08b789eb 100644
--- a/ArmVirtPkg/ArmVirtQemu.dsc
+++ b/ArmVirtPkg/ArmVirtQemu.dsc
@@ -212,11 +212,6 @@ [PcdsFixedAtBuild.common]
   #
   gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize|16
 
-  #
-  # Enable the non-executable DXE stack. (This gets set up by DxeIpl)
-  #
-  gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
-
 !if $(SECURE_BOOT_ENABLE) == TRUE
   # override the default values from SecurityPkg to ensure images from all sources are verified in secure boot
   gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x04
-- 
2.41.0.windows.3



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  parent reply	other threads:[~2023-08-18 22:58 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-18 22:31 [edk2-devel] [PATCH v2 00/25] Implement Dynamic Memory Protections Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 01/25] MdeModulePkg: Add DXE and MM Memory Protection Settings Definitions Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 02/25] MdeModulePkg: Define SetMemoryProtectionsLib and GetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 03/25] MdeModulePkg: Add NULL Instances for Get/SetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 04/25] MdeModulePkg: Implement SetMemoryProtectionsLib and GetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 05/25] MdeModulePkg: Apply Protections to the HOB List Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 06/25] MdeModulePkg: Check Print Level Before Dumping GCD Memory Map Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 07/25] UefiCpuPkg: Always Set Stack Guard in MpPei Init Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 08/25] ArmVirtPkg: Add Memory Protection Library Definitions to Platforms Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 09/25] OvmfPkg: " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 10/25] OvmfPkg: Apply Memory Protections via SetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 11/25] OvmfPkg: Update PeilessStartupLib to use SetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 12/25] UefiPayloadPkg: Update DXE Handoff " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 13/25] MdeModulePkg: " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 14/25] ArmPkg: Use GetMemoryProtectionsLib instead of Memory Protection PCDs Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 15/25] EmulatorPkg: " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 16/25] OvmfPkg: " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 17/25] UefiCpuPkg: " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 18/25] MdeModulePkg: " Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 19/25] MdeModulePkg: Add Additional Profiles to SetMemoryProtectionsLib Taylor Beebe
2023-08-29 10:46   ` Gerd Hoffmann
2023-08-29 16:08     ` Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 20/25] OvmfPkg: Enable Choosing Memory Protection Profile via QemuCfg Taylor Beebe
2023-08-29 11:17   ` Gerd Hoffmann
2023-08-29 16:26     ` Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 21/25] ArmVirtPkg: Apply Memory Protections via SetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 22/25] MdeModulePkg: Delete PCD Profile from SetMemoryProtectionsLib Taylor Beebe
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 23/25] OvmfPkg: Delete Memory Protection PCDs Taylor Beebe
2023-08-18 22:31 ` Taylor Beebe [this message]
2023-08-18 22:31 ` [edk2-devel] [PATCH v2 25/25] MdeModulePkg: " Taylor Beebe
2023-08-19 22:13 ` [edk2-devel] [PATCH v2 00/25] Implement Dynamic Memory Protections Pedro Falcato
2023-08-21 16:19 ` Taylor Beebe

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