# Volt Kernel: Minimal Profile
# Optimized for: Appliances, edge, maximum density
# Size target: ~15MB
# Boot target: <100ms

CONFIG_LOCALVERSION="-volt-minimal"
CONFIG_DEFAULT_HOSTNAME="volt"

#
# Embedded Optimizations
#
CONFIG_EMBEDDED=y
CONFIG_EXPERT=y

#
# Preemption: None
#
CONFIG_PREEMPT_NONE=y
CONFIG_HZ_100=y
CONFIG_NO_HZ_FULL=y

#
# Size Optimizations
#
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SLOB=y
# CONFIG_MODULES is not set
# CONFIG_PRINTK is not set
# CONFIG_BUG is not set
# CONFIG_DEBUG_INFO is not set
# CONFIG_KALLSYMS is not set
# CONFIG_FUTEX is not set
# CONFIG_EPOLL is not set
# CONFIG_SIGNALFD is not set
# CONFIG_TIMERFD is not set
# CONFIG_EVENTFD is not set
# CONFIG_SHMEM is not set
# CONFIG_AIO is not set

#
# Processor (minimal)
#
CONFIG_SMP=n
CONFIG_NR_CPUS=1

#
# Networking (minimal)
#
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IPV6=y
# CONFIG_NETFILTER is not set
# CONFIG_BRIDGE is not set

#
# Security (critical)
#
CONFIG_SECURITY=y
CONFIG_SECURITY_LANDLOCK=y
CONFIG_SECCOMP=y
CONFIG_SECCOMP_FILTER=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_STACKPROTECTOR_STRONG=y

#
# Cgroups (minimal)
#
CONFIG_CGROUPS=y
CONFIG_MEMCG=y

#
# Namespaces (for isolation)
#
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y

#
# File Systems (minimal)
#
CONFIG_EXT4_FS=y
CONFIG_PROC_FS=y
CONFIG_SYSFS=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y

#
# DISABLED (not needed)
#
# CONFIG_DRM is not set
# CONFIG_SOUND is not set
# CONFIG_USB is not set
# CONFIG_INPUT is not set
# CONFIG_VT is not set
# CONFIG_HID is not set

#
# Compression (maximum)
#
CONFIG_KERNEL_XZ=y