config KERNEL_ARM_PMU
bool
- default n
depends on (arm || aarch64)
config KERNEL_X86_VSYSCALL_EMULATION
bool "Enable vsyscall emulation"
- default n
depends on x86_64
help
This enables emulation of the legacy vsyscall page. Disabling
config KERNEL_PERF_EVENTS
bool "Compile the kernel with performance events and counters"
- default n
select KERNEL_ARM_PMU if (arm || aarch64)
config KERNEL_PROFILING
bool "Compile the kernel with profiling enabled"
- default n
select KERNEL_PERF_EVENTS
help
Enable the extended profiling support mechanisms used by profilers such
config KERNEL_TASKSTATS
bool "Compile the kernel with task resource/io statistics and accounting"
- default n
help
Enable the collection and publishing of task/io statistics and
accounting. Enable this option to enable i/o monitoring in system
config KERNEL_FTRACE
bool "Compile the kernel with tracing support"
depends on !TARGET_uml
- default n
config KERNEL_FTRACE_SYSCALLS
bool "Trace system calls"
depends on KERNEL_FTRACE
- default n
config KERNEL_ENABLE_DEFAULT_TRACERS
bool "Trace process context switches and events"
depends on KERNEL_FTRACE
- default n
config KERNEL_FUNCTION_TRACER
bool "Function tracer"
depends on KERNEL_FTRACE
- default n
config KERNEL_FUNCTION_GRAPH_TRACER
bool "Function graph tracer"
depends on KERNEL_FUNCTION_TRACER
- default n
config KERNEL_DYNAMIC_FTRACE
bool "Enable/disable function tracing dynamically"
depends on KERNEL_FUNCTION_TRACER
- default n
config KERNEL_FUNCTION_PROFILER
bool "Function profiler"
depends on KERNEL_FUNCTION_TRACER
- default n
config KERNEL_IRQSOFF_TRACER
bool "Interrupts-off Latency Tracer"
config KERNEL_DEBUG_KERNEL
bool
- default n
config KERNEL_DEBUG_INFO
bool "Compile the kernel with debug information"
config KERNEL_DEBUG_INFO_BTF
bool "Enable additional BTF type information"
- default n
depends on !HOST_OS_MACOS
depends on KERNEL_DEBUG_INFO && !KERNEL_DEBUG_INFO_REDUCED
select DWARVES
config KERNEL_DEBUG_LL_UART_NONE
bool
- default n
depends on arm
config KERNEL_DEBUG_LL
bool
- default n
depends on arm
select KERNEL_DEBUG_LL_UART_NONE
help
config KERNEL_DEBUG_VIRTUAL
bool "Compile the kernel with VM translations debugging"
select KERNEL_DEBUG_KERNEL
- default n
help
Enable checks sanity checks to catch invalid uses of
virt_to_phys()/phys_to_virt() against the non-linear address space.
config KERNEL_DYNAMIC_DEBUG
bool "Compile the kernel with dynamic printk"
select KERNEL_DEBUG_FS
- default n
help
Compiles debug level messages into the kernel, which would not
otherwise be available at runtime. These messages can then be
config KERNEL_EARLY_PRINTK
bool "Compile the kernel with early printk"
default y if TARGET_bcm53xx
- default n
depends on arm
select KERNEL_DEBUG_KERNEL
select KERNEL_DEBUG_LL if arm
config KERNEL_KPROBES
bool "Compile the kernel with kprobes support"
- default n
select KERNEL_FTRACE
select KERNEL_PERF_EVENTS
help
config KERNEL_BPF_EVENTS
bool "Compile the kernel with BPF event support"
- default n
select KERNEL_KPROBES
help
Allows to attach BPF programs to kprobe, uprobe and tracepoint events.
config KERNEL_BPF_KPROBE_OVERRIDE
bool
- default n
depends on KERNEL_KPROBES
config KERNEL_AIO
config KERNEL_BLK_DEV_BSG
bool "Compile the kernel with SCSI generic v4 support for any block device"
- default n
config KERNEL_TRANSPARENT_HUGEPAGE
bool
bool "Compile the kernel with HugeTLB support"
select KERNEL_TRANSPARENT_HUGEPAGE
select KERNEL_HUGETLBFS
- default n
config KERNEL_MAGIC_SYSRQ
bool "Compile the kernel with SysRq support"
config KERNEL_PROVE_LOCKING
bool "Enable kernel lock checking"
select KERNEL_DEBUG_KERNEL
- default n
config KERNEL_SOFTLOCKUP_DETECTOR
bool "Compile the kernel with detect Soft Lockups"
config USE_SPARSE
bool "Enable sparse check during kernel build"
- default n
config KERNEL_DEVTMPFS
bool "Compile the kernel with device tmpfs enabled"
- default n
help
devtmpfs is a simple, kernel-managed /dev filesystem. The kernel creates
devices nodes for all registered devices to simplify boot, but leaves more
config KERNEL_DEVTMPFS_MOUNT
bool "Automatically mount devtmpfs after root filesystem is mounted"
- default n
endif
config KERNEL_PERSISTENT_KEYRINGS
bool "Enable kernel persistent keyrings"
depends on KERNEL_KEYS
- default n
config KERNEL_KEYS_REQUEST_CACHE
bool "Enable temporary caching of the last request_key() result"
depends on KERNEL_KEYS
- default n
config KERNEL_BIG_KEYS
bool "Enable large payload keys on kernel keyrings"
depends on KERNEL_KEYS
- default n
#
# CGROUP support symbols
config KERNEL_CGROUP_DEBUG
bool "Example debug cgroup subsystem"
- default n
help
This option enables a simple cgroup subsystem that
exports useful debugging information about the cgroups
config KERNEL_CGROUP_FREEZER
bool "legacy Freezer cgroup subsystem"
- default n
select KERNEL_FREEZER
help
Provides a way to freeze and unfreeze all tasks in a
config KERNEL_CGROUP_DEVICE
bool "legacy Device controller for cgroups"
- default n
help
Provides a cgroup implementing whitelists for devices which
a process in the cgroup can mknod or open.
config KERNEL_CGROUP_HUGETLB
bool "HugeTLB controller"
- default n
select KERNEL_HUGETLB_PAGE
config KERNEL_CGROUP_PIDS
config KERNEL_PROC_PID_CPUSET
bool "Include legacy /proc/<pid>/cpuset file"
- default n
depends on KERNEL_CPUSETS
config KERNEL_CGROUP_CPUACCT
config KERNEL_MEMCG_SWAP_ENABLED
bool "Memory Resource Controller Swap Extension enabled by default"
- default n
depends on KERNEL_MEMCG_SWAP
help
Memory Resource Controller Swap Extension comes with its price in
config KERNEL_CGROUP_PERF
bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
select KERNEL_PERF_EVENTS
- default n
help
This option extends the per-cpu mode to restrict monitoring to
threads which belong to the cgroup specified and run on the
config KERNEL_DEBUG_BLK_CGROUP
bool "Enable Block IO controller debugging"
- default n
depends on KERNEL_BLK_CGROUP
help
Enable some debugging help. Currently it exports additional stat
config KERNEL_NET_CLS_CGROUP
bool "legacy Control Group Classifier"
- default n
config KERNEL_CGROUP_NET_CLASSID
bool "legacy Network classid cgroup"
- default n
config KERNEL_CGROUP_NET_PRIO
bool "legacy Network priority cgroup"
- default n
endif
menu "Filesystem ACL and attr support options"
config USE_FS_ACL_ATTR
bool "Use filesystem ACL and attr support by default"
- default n
help
Make using ACLs (e.g. POSIX ACL, NFSv4 ACL) the default
for kernel and packages, except tmpfs, flash filesystems,
config KERNEL_F2FS_FS_POSIX_ACL
bool "Enable POSIX ACL for F2FS Filesystems"
select KERNEL_FS_POSIX_ACL
- default n
config KERNEL_JFFS2_FS_POSIX_ACL
bool "Enable POSIX ACL for JFFS2 Filesystems"
select KERNEL_FS_POSIX_ACL
- default n
config KERNEL_TMPFS_POSIX_ACL
bool "Enable POSIX ACL for TMPFS Filesystems"
select KERNEL_FS_POSIX_ACL
- default n
config KERNEL_CIFS_ACL
bool "Enable CIFS ACLs"
config KERNEL_NFS_V3_ACL_SUPPORT
bool "Enable ACLs for NFSv3"
- default n
config KERNEL_NFSD_V2_ACL_SUPPORT
bool "Enable ACLs for NFSDv2"
- default n
config KERNEL_NFSD_V3_ACL_SUPPORT
bool "Enable ACLs for NFSDv3"
- default n
config KERNEL_REISER_FS_POSIX_ACL
bool "Enable POSIX ACLs for ReiserFS"