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Merged
PeronGH merged 1 commit into from
Mar 3, 2026
+44 −8
Merged

feat(config): harden kernel for production container workloads #3

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26 changes: 22 additions & 4 deletions configs/arcbox-arm64.config
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Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,16 @@ CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_AIO=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BPF_SYSCALL=y
CONFIG_BPF_JIT=y
CONFIG_BPF_JIT_ALWAYS_ON=y
CONFIG_CGROUPS=y
CONFIG_MEMCG=y
CONFIG_BLK_CGROUP=y
Expand All @@ -31,6 +38,7 @@ CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_BPF=y
CONFIG_PERF_EVENTS=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_HUGETLB=y
CONFIG_NET_CLS_CGROUP=y
CONFIG_CGROUP_NET_PRIO=y
CONFIG_CGROUP_NET_CLASSID=y
Expand All @@ -47,6 +55,8 @@ CONFIG_CHECKPOINT_RESTORE=y
CONFIG_KEYS=y
CONFIG_SECCOMP=y
CONFIG_SECCOMP_FILTER=y
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y

# Processor type and features
CONFIG_ARM64=y
Expand Down Expand Up @@ -81,7 +91,8 @@ CONFIG_BINFMT_MISC=y
# Memory management
CONFIG_FLATMEM=y
CONFIG_MEMORY_HOTPLUG=n
CONFIG_TRANSPARENT_HUGEPAGE=n
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
CONFIG_COMPACTION=y

# Networking
Expand Down Expand Up @@ -153,6 +164,8 @@ CONFIG_NF_CONNTRACK_FTP=y
CONFIG_NF_NAT_FTP=y
CONFIG_NF_CONNTRACK_TFTP=y
CONFIG_NF_NAT_TFTP=y
CONFIG_INET_DIAG=y
CONFIG_NETLINK_DIAG=y

# Device Drivers
CONFIG_PCI=y
Expand Down Expand Up @@ -258,6 +271,10 @@ CONFIG_DEBUG_FS=n
# Security
CONFIG_SECURITY=y
CONFIG_SECURITYFS=y
CONFIG_SECURITY_APPARMOR=y
CONFIG_SECURITY_YAMA=y
CONFIG_DEFAULT_SECURITY_APPARMOR=y
CONFIG_LSM="apparmor,yama,integrity"

# Cryptographic API
CONFIG_CRYPTO=y
Expand Down Expand Up @@ -300,8 +317,8 @@ CONFIG_REGULATOR=n
CONFIG_MEDIA_SUPPORT=n
CONFIG_AGP=n
CONFIG_STAGING=n
CONFIG_HUGETLBFS=n
CONFIG_HUGETLB_PAGE=n
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y

# Disable profiling and tracing
CONFIG_PROFILING=n
Expand All @@ -312,10 +329,11 @@ CONFIG_KPROBES=n
CONFIG_PRINTK=y
CONFIG_PRINTK_TIME=y
CONFIG_EARLY_PRINTK=y
CONFIG_KALLSYMS=y

# Initramfs support
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_LZ4=n
CONFIG_RD_ZSTD=n
CONFIG_RD_ZSTD=y
26 changes: 22 additions & 4 deletions configs/arcbox-x86_64.config
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,16 @@ CONFIG_LOCALVERSION="-arcbox"
CONFIG_DEFAULT_HOSTNAME="arcbox-vm"
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_AIO=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BPF_SYSCALL=y
CONFIG_BPF_JIT=y
CONFIG_BPF_JIT_ALWAYS_ON=y
CONFIG_CGROUPS=y
CONFIG_MEMCG=y
CONFIG_BLK_CGROUP=y
Expand All @@ -28,6 +35,7 @@ CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_BPF=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_HUGETLB=y
CONFIG_PERF_EVENTS=y
CONFIG_NET_CLS_CGROUP=y
CONFIG_CGROUP_NET_PRIO=y
Expand All @@ -45,6 +53,8 @@ CONFIG_CHECKPOINT_RESTORE=y
CONFIG_KEYS=y
CONFIG_SECCOMP=y
CONFIG_SECCOMP_FILTER=y
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y

# Processor type and features
CONFIG_X86_64=y
Expand Down Expand Up @@ -84,7 +94,8 @@ CONFIG_BINFMT_SCRIPT=y
# Memory management
CONFIG_FLATMEM=y
CONFIG_MEMORY_HOTPLUG=n
CONFIG_TRANSPARENT_HUGEPAGE=n
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
CONFIG_COMPACTION=y

# Networking
Expand Down Expand Up @@ -156,6 +167,8 @@ CONFIG_NF_CONNTRACK_FTP=y
CONFIG_NF_NAT_FTP=y
CONFIG_NF_CONNTRACK_TFTP=y
CONFIG_NF_NAT_TFTP=y
CONFIG_INET_DIAG=y
CONFIG_NETLINK_DIAG=y

# Device Drivers
CONFIG_PCI=y
Expand Down Expand Up @@ -245,6 +258,10 @@ CONFIG_DEBUG_FS=n
# Security
CONFIG_SECURITY=y
CONFIG_SECURITYFS=y
CONFIG_SECURITY_APPARMOR=y
CONFIG_SECURITY_YAMA=y
CONFIG_DEFAULT_SECURITY_APPARMOR=y
CONFIG_LSM="apparmor,yama,integrity"

# Cryptographic API
CONFIG_CRYPTO=y
Expand Down Expand Up @@ -287,8 +304,8 @@ CONFIG_REGULATOR=n
CONFIG_MEDIA_SUPPORT=n
CONFIG_AGP=n
CONFIG_STAGING=n
CONFIG_HUGETLBFS=n
CONFIG_HUGETLB_PAGE=n
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y

# Disable profiling and tracing
CONFIG_PROFILING=n
Expand All @@ -299,10 +316,11 @@ CONFIG_KPROBES=n
CONFIG_PRINTK=y
CONFIG_PRINTK_TIME=y
CONFIG_EARLY_PRINTK=y
CONFIG_KALLSYMS=y

# Initramfs support
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_LZ4=n
CONFIG_RD_ZSTD=n
CONFIG_RD_ZSTD=y