summaryrefslogtreecommitdiffstats
path: root/arch/x86/configs
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/configs')
-rw-r--r--arch/x86/configs/hardening.config14
-rw-r--r--arch/x86/configs/i386_defconfig1
-rw-r--r--arch/x86/configs/x86_64_defconfig1
3 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/configs/hardening.config b/arch/x86/configs/hardening.config
new file mode 100644
index 0000000000..7b497f3b7b
--- /dev/null
+++ b/arch/x86/configs/hardening.config
@@ -0,0 +1,14 @@
+# 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
+
+# Enable CET Shadow Stack for userspace.
+CONFIG_X86_USER_SHADOW_STACK=y
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 1b411bbf3c..73abbbdd26 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -281,4 +281,5 @@ CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_DEBUG_BOOT_PARAMS=y
CONFIG_UNWINDER_FRAME_POINTER=y
+CONFIG_DEBUG_ENTRY=y
# CONFIG_64BIT is not set
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index 409e9182bd..61e25f6209 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -276,3 +276,4 @@ CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_DEBUG_BOOT_PARAMS=y
+CONFIG_DEBUG_ENTRY=y