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-rw-r--r--ArmVirtPkg/ArmVirt.dsc.inc6
1 files changed, 4 insertions, 2 deletions
diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
index 890a056cd0..6dd6ce69cc 100644
--- a/ArmVirtPkg/ArmVirt.dsc.inc
+++ b/ArmVirtPkg/ArmVirt.dsc.inc
@@ -381,8 +381,10 @@
#
# 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.
+ # reserved ones.
+ # By passing --pcd PcdDxeNxMemoryProtectionPolicy=0xC000000000007FD1 on the
+ # build command line you can allow code execution in EfiLoaderData. This is
+ # required when using some outdated GRUB versions.
#
gEfiMdeModulePkgTokenSpaceGuid.PcdDxeNxMemoryProtectionPolicy|0xC000000000007FD5