# See /LICENSE for more information.
#
+config KERNEL_BUILD_USER
+ string "Custom Kernel Build User Name"
+ default ""
+ help
+ Sets the Kernel build user string, which for example will be returned
+ by 'uname -a' on running systems.
+ If not set, uses system user at build time.
+
+config KERNEL_BUILD_DOMAIN
+ string "Custom Kernel Build Domain Name"
+ default ""
+ help
+ Sets the Kernel build domain string, which for example will be
+ returned by 'uname -a' on running systems.
+ If not set, uses system hostname at build time.
+
config KERNEL_PRINTK
bool "Enable support for printk"
default y
config KERNEL_CRASHLOG
bool "Crash logging"
- depends on !(arm || powerpc || sparc || TARGET_uml)
+ depends on !(arm || powerpc || sparc || TARGET_uml || i386 || x86_64)
default y
config KERNEL_SWAP
write to these files. Many common debugging facilities, such as
ftrace, require the existence of debugfs.
-config KERNEL_PERF_EVENTS
+config KERNEL_ARM_PMU
bool
default n
+ depends on (arm || arm64)
+
+config KERNEL_PERF_EVENTS
+ bool "Compile the kernel with performance events and counters"
+ default n
+ select KERNEL_ARM_PMU if (arm || arm64)
config KERNEL_PROFILING
bool "Compile the kernel with profiling enabled"
config KERNEL_KALLSYMS
bool "Compile the kernel with symbol table information"
- default y
+ default y if !SMALL_FLASH
help
This will give you more information in stack traces from kernel oopses.
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_DEBUG_KERNEL
bool
default n
help
ARM low level debugging.
-config KERNEL_DYNAMIC_DEBUG
+config KERNEL_DYNAMIC_DEBUG
bool "Compile the kernel with dynamic printk"
select KERNEL_DEBUG_FS
default n
debugging purposes to send messages over the serial console in early boot.
Enable this to debug early boot problems.
+config KERNEL_KPROBES
+ bool "Compile the kernel with kprobes support"
+ default n
+ select KERNEL_FTRACE
+ select KERNEL_PERF_EVENTS
+ help
+ Compiles the kernel with KPROBES support, which allows you to trap
+ at almost any kernel address and execute a callback function.
+ register_kprobe() establishes a probepoint and specifies the
+ callback. Kprobes is useful for kernel debugging, non-intrusive
+ instrumentation and testing.
+ If in doubt, say "N".
+
+config KERNEL_KPROBE_EVENT
+ bool
+ default y if KERNEL_KPROBES
+
config KERNEL_AIO
bool "Compile the kernel with asynchronous IO support"
default n
-config KERNEL_DIRECT_IO
- bool "Compile the kernel with direct IO support"
+config KERNEL_FHANDLE
+ bool "Compile the kernel with support for fhandle syscalls"
+ default n
+
+config KERNEL_FANOTIFY
+ bool "Compile the kernel with modern file notification support"
+ default n
+
+config KERNEL_BLK_DEV_BSG
+ bool "Compile the kernel with SCSI generic v4 support for any block device"
default n
config KERNEL_MAGIC_SYSRQ
bool "Compile the kernel with SysRq support"
default y
+config KERNEL_DEBUG_PINCTRL
+ bool "Compile the kernel with pinctrl debugging"
+ select KERNEL_DEBUG_KERNEL
+
+config KERNEL_DEBUG_GPIO
+ bool "Compile the kernel with gpio debugging"
+ select KERNEL_DEBUG_KERNEL
+
config KERNEL_COREDUMP
bool
config KERNEL_KEXEC
bool "Enable kexec support"
+config KERNEL_PROC_VMCORE
+ bool
+
+config KERNEL_CRASH_DUMP
+ depends on i386 || x86_64 || arm || armeb
+ select KERNEL_KEXEC
+ select KERNEL_PROC_VMCORE
+ bool "Enable support for kexec crashdump"
+ default y
+
config USE_RFKILL
bool "Enable rfkill support"
default RFKILL_SUPPORT
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 ti simplify boot, but leaves more
+ complex tasks to userspace (e.g. udev).
+
+if KERNEL_DEVTMPFS
+
+ config KERNEL_DEVTMPFS_MOUNT
+ bool "Automatically mount devtmpfs after root filesystem is mounted"
+ default n
+
+endif
+
+config KERNEL_KEYS
+ bool "Enable kernel access key retention support"
+ default n
+
+config KERNEL_PERSISTENT_KEYRINGS
+ bool "Enable kernel persistent keyrings"
+ depends on KERNEL_KEYS
+ default n
+
+config KERNEL_BIG_KEYS
+ bool "Enable large payload keys on kernel keyrings"
+ depends on KERNEL_KEYS
+ default n
+
+config KERNEL_ENCRYPTED_KEYS
+ tristate "Enable keys with encrypted payloads on kernel keyrings"
+ depends on KERNEL_KEYS
+ default n
+
#
# CGROUP support symbols
#
Provides a cgroup implementing whitelists for devices which
a process in the cgroup can mknod or open.
+ config KERNEL_CGROUP_PIDS
+ bool "PIDs cgroup subsystem"
+ default y
+ help
+ Provides enforcement of process number limits in the scope of a
+ cgroup.
+
config KERNEL_CPUSETS
bool "Cpuset support"
default n
config KERNEL_MEMCG
bool "Memory Resource Controller for Control Groups"
default n
- depends on KERNEL_RESOURCE_COUNTERS
+ depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18
help
Provides a memory resource controller that manages both anonymous
memory and page cache. (See Documentation/cgroups/memory.txt)
endif
+config KERNEL_SECCOMP_FILTER
+ bool
+ default n
+
config KERNEL_SECCOMP
bool "Enable seccomp support"
- depends on !(TARGET_uml || TARGET_avr32)
+ depends on !(TARGET_uml)
+ select KERNEL_SECCOMP_FILTER
default n
help
Build kernel with support for seccomp.
-config KERNEL_SECCOMP_FILTER
- bool "Enable seccomp filter support"
- depends on KERNEL_SECCOMP
+#
+# IPv6 configuration
+#
+
+config KERNEL_IPV6
+ def_bool IPV6
+
+if KERNEL_IPV6
+
+ config KERNEL_IPV6_MULTIPLE_TABLES
+ def_bool y
+
+ config KERNEL_IPV6_SUBTREES
+ def_bool y
+
+ config KERNEL_IPV6_MROUTE
+ def_bool y
+
+ config KERNEL_IPV6_PIMSM_V2
+ def_bool n
+
+endif
+
+#
+# NFS related symbols
+#
+config KERNEL_IP_PNP
+ bool "Compile the kernel with rootfs on NFS"
+ help
+ If you want to make your kernel boot off a NFS server as root
+ filesystem, select Y here.
+
+if KERNEL_IP_PNP
+
+ config KERNEL_IP_PNP_DHCP
+ def_bool y
+
+ config KERNEL_IP_PNP_BOOTP
+ def_bool n
+
+ config KERNEL_IP_PNP_RARP
+ def_bool n
+
+ config KERNEL_NFS_FS
+ def_bool y
+
+ config KERNEL_NFS_V2
+ def_bool y
+
+ config KERNEL_NFS_V3
+ def_bool y
+
+ config KERNEL_ROOT_NFS
+ def_bool y
+
+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
- Build kernel with support for seccomp BPF programs.
+ Make using ACLs (e.g. POSIX ACL, NFSv4 ACL) the default
+ for kernel and packages, except tmpfs, flash filesystems,
+ and old NFS. Also enable userspace extended attribute support
+ by default. (OpenWrt already has an expection it will be
+ present in the kernel).
+
+ config KERNEL_FS_POSIX_ACL
+ bool "Enable POSIX ACL support"
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_BTRFS_FS_POSIX_ACL
+ bool "Enable POSIX ACL for BtrFS Filesystems"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_EXT4_FS_POSIX_ACL
+ bool "Enable POSIX ACL for Ext4 Filesystems"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ 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"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_HFS_FS_POSIX_ACL
+ bool "Enable POSIX ACL for HFS Filesystems"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_HFSPLUG_FS_POSIX_ACL
+ bool "Enable POSIX ACL for HFS+ Filesystems"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_NFS_ACL_SUPPORT
+ bool "Enable ACLs for NFS"
+ default y if USE_FS_ACL_ATTR
+
+ 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"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_XFS_POSIX_ACL
+ bool "Enable POSIX ACLs for XFS"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+ config KERNEL_JFS_POSIX_ACL
+ bool "Enable POSIX ACLs for JFS"
+ select KERNEL_FS_POSIX_ACL
+ default y if USE_FS_ACL_ATTR
+
+endmenu
+
+config KERNEL_DEVMEM
+ bool "/dev/mem virtual device support"
+ help
+ Say Y here if you want to support the /dev/mem device.
+ The /dev/mem device is used to access areas of physical
+ memory.
+
+config KERNEL_DEVKMEM
+ bool "/dev/kmem virtual device support"
+ help
+ Say Y here if you want to support the /dev/kmem device. The
+ /dev/kmem device is rarely used, but can be used for certain
+ kind of kernel debugging operations.