Revision: 18472
http://sourceforge.net/p/edk2/code/18472
Author: lersek
Date: 2015-09-15 08:35:19 +0000 (Tue, 15 Sep 2015)
Log Message:
-----------
OvmfPkg: disable no-exec DXE stack by default
(PcdSetNxForStack == TRUE) breaks a number of GRUB versions that, it turns
out, are still widely in use. Disable PcdSetNxForStack by default for now.
QEMU users can enable it dynamically using the micro-feature added in the
previous patch.
Reported-by: Anthony Perard <[email protected]>
Cc: Jan Beulich <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Jordan Justen <[email protected]>
Cc: Josh Triplett <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2015-09-15 08:35:14 UTC (rev 18471)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2015-09-15 08:35:19 UTC (rev 18472)
@@ -373,7 +373,7 @@
gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated|FALSE
# Noexec settings for DXE.
- gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdPropertiesTableEnable|FALSE
################################################################################
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2015-09-15 08:35:14 UTC (rev
18471)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2015-09-15 08:35:19 UTC (rev
18472)
@@ -379,7 +379,7 @@
gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated|FALSE
# Noexec settings for DXE.
- gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdPropertiesTableEnable|FALSE
################################################################################
Modified: trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2015-09-15 08:35:14 UTC (rev 18471)
+++ trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2015-09-15 08:35:19 UTC (rev 18472)
@@ -378,7 +378,7 @@
gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated|FALSE
# Noexec settings for DXE.
- gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdPropertiesTableEnable|FALSE
################################################################################
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