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-rw-r--r--arch/x86/configs/hardening.config15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/configs/hardening.config b/arch/x86/configs/hardening.config
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index 000000000000..19bb0c7a7669
--- /dev/null
+++ b/arch/x86/configs/hardening.config
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+# Basic kernel hardening options (specific to x86)
+
+# Modern libc no longer needs a fixed-position mapping in userspace, remove
+# it as a possible target.
+CONFIG_LEGACY_VSYSCALL_NONE=y
+
+# Enable chip-specific IOMMU support.
+CONFIG_INTEL_IOMMU=y
+CONFIG_INTEL_IOMMU_DEFAULT_ON=y
+CONFIG_INTEL_IOMMU_SVM=y
+CONFIG_AMD_IOMMU=y
+CONFIG_AMD_IOMMU_V2=y
+
+# Enable CET Shadow Stack for userspace.
+CONFIG_X86_USER_SHADOW_STACK=y