if arch == 'ARM':
l += [OptCheck('self_protection', 'defconfig', 'CPU_SW_DOMAIN_PAN', 'y')]
l += [OptCheck('self_protection', 'defconfig', 'STACKPROTECTOR_PER_TASK', 'y')]
- if arch in ('ARM64', 'ARM'):
+ if arch == 'ARM64':
+ l += [OR(OptCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y'),
+ VerCheck((5, 10)))] # HARDEN_BRANCH_PREDICTOR is enabled by default since v5.10
+ if arch == 'ARM':
l += [OptCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y')]
# 'self_protection', 'kspp'
l += [AND(OptCheck('self_protection', 'my', 'AMD_IOMMU_V2', 'y'),
iommu_support_is_set)]
if arch == 'ARM64':
- l += [OptCheck('self_protection', 'my', 'SHADOW_CALL_STACK', 'y')]
+ l += [OptCheck('self_protection', 'my', 'SHADOW_CALL_STACK', 'y')] # maybe it should be alternative to STACKPROTECTOR_STRONG
# 'security_policy'
if arch in ('X86_64', 'ARM64', 'X86_32'):
l += [OptCheck('userspace_hardening', 'defconfig', 'INTEGRITY', 'y')]
if arch == 'ARM':
l += [OptCheck('userspace_hardening', 'my', 'INTEGRITY', 'y')]
+ if arch == 'ARM64':
+ l += [OptCheck('userspace_hardening', 'defconfig', 'ARM64_MTE', 'y')]
if arch in ('ARM', 'X86_32'):
l += [OptCheck('userspace_hardening', 'defconfig', 'VMSPLIT_3G', 'y')]
if arch in ('X86_64', 'ARM64'):