efi_not_set = KconfigCheck('-', '-', 'EFI', 'is not set')
cc_is_gcc = KconfigCheck('-', '-', 'CC_IS_GCC', 'y') # exists since v4.18
cc_is_clang = KconfigCheck('-', '-', 'CC_IS_CLANG', 'y') # exists since v4.18
+ if arch in ('X86_64', 'X86_32'):
+ cpu_sup_amd_not_set = KconfigCheck('-', '-', 'CPU_SUP_AMD', 'is not set')
+ cpu_sup_intel_not_set = KconfigCheck('-', '-', 'CPU_SUP_INTEL', 'is not set')
modules_not_set = KconfigCheck('cut_attack_surface', 'kspp', 'MODULES', 'is not set') # radical, but may be useful in some cases
devmem_not_set = KconfigCheck('cut_attack_surface', 'kspp', 'DEVMEM', 'is not set') # refers to LOCKDOWN
if arch in ('X86_64', 'ARM64', 'ARM'):
l += [vmap_stack_is_set]
if arch in ('X86_64', 'X86_32'):
- cpu_sup_amd_not_set=KconfigCheck('-', '-', 'CPU_SUP_AMD', 'is not set')
- cpu_sup_intel_not_set=KconfigCheck('-', '-', 'CPU_SUP_INTEL', 'is not set')
l += [KconfigCheck('self_protection', 'defconfig', 'SPECULATION_MITIGATIONS', 'y')]
l += [KconfigCheck('self_protection', 'defconfig', 'DEBUG_WX', 'y')]
l += [KconfigCheck('self_protection', 'defconfig', 'WERROR', 'y')]
l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE', 'y')]
- l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_MCE_INTEL', 'y'),
- cpu_sup_intel_not_set)]
- l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_MCE_AMD', 'y'),
- cpu_sup_amd_not_set)]
l += [KconfigCheck('self_protection', 'defconfig', 'RETPOLINE', 'y')]
l += [KconfigCheck('self_protection', 'defconfig', 'SYN_COOKIES', 'y')] # another reason?
microcode_is_set = KconfigCheck('self_protection', 'defconfig', 'MICROCODE', 'y')
VersionCheck((5, 19, 0)))] # X86_SMAP is enabled by default since v5.19
l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_UMIP', 'y'),
KconfigCheck('self_protection', 'defconfig', 'X86_INTEL_UMIP', 'y'))]
+ l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_MCE_INTEL', 'y'),
+ cpu_sup_intel_not_set)]
+ l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_MCE_AMD', 'y'),
+ cpu_sup_amd_not_set)]
if arch in ('ARM64', 'ARM'):
l += [KconfigCheck('self_protection', 'defconfig', 'HW_RANDOM_TPM', 'y')]
l += [KconfigCheck('self_protection', 'defconfig', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
l += [OR(KconfigCheck('cut_attack_surface', 'defconfig', 'STRICT_DEVMEM', 'y'),
devmem_not_set)] # refers to LOCKDOWN
if arch in ('X86_64', 'X86_32'):
- l += [OR(KconfigCheck('cut_attack_surface', 'defconfig', 'X86_INTEL_TSX_MODE_OFF', 'y'), # tsx=off
- cpu_sup_intel_not_set)]
+ l += [OR(KconfigCheck('cut_attack_surface', 'defconfig', 'X86_INTEL_TSX_MODE_OFF', 'y'),
+ cpu_sup_intel_not_set)] # tsx=off
# 'cut_attack_surface', 'kspp'
l += [KconfigCheck('cut_attack_surface', 'kspp', 'SECURITY_DMESG_RESTRICT', 'y')]