# 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
bool "Support for paging of anonymous memory (swap)"
- default y
+ default y if !SMALL_FLASH
config KERNEL_DEBUG_FS
bool "Compile the kernel with debug filesystem enabled"
write to these files. Many common debugging facilities, such as
ftrace, require the existence of debugfs.
-config KERNEL_PERF_EVENTS
+config KERNEL_MIPS_FPU_EMULATOR
+ bool "Compile the kernel with MIPS FPU Emulator"
+ default y if TARGET_pistachio
+ depends on (mips || mipsel || mips64 || mips64el)
+
+config KERNEL_ARM_PMU
bool
default n
+ depends on (arm || aarch64)
+
+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"
Enable the extended profiling support mechanisms used by profilers such
as OProfile.
+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
+ monitors.
+
+if KERNEL_TASKSTATS
+
+ config KERNEL_TASK_DELAY_ACCT
+ def_bool y
+
+ config KERNEL_TASK_IO_ACCOUNTING
+ def_bool y
+
+ config KERNEL_TASK_XACCT
+ def_bool y
+
+endif
+
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.
config KERNEL_DEBUG_INFO
bool "Compile the kernel with debug information"
- default y
+ default y if !SMALL_FLASH
select KERNEL_DEBUG_KERNEL
help
This will compile your kernel and modules with debug information.
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_AIO
- bool "Compile the kernel with asynchronous IO support"
+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_DIRECT_IO
- bool "Compile the kernel with direct IO support"
+config KERNEL_AIO
+ bool "Compile the kernel with asynchronous IO support"
default n
config KERNEL_FHANDLE
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_ELF_CORE
bool "Enable process core dump support"
select KERNEL_COREDUMP
- default y
+ default y if !SMALL_FLASH
config KERNEL_PROVE_LOCKING
bool "Enable kernel lock checking"
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
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
+ devices nodes for all registered devices to simplify boot, but leaves more
complex tasks to userspace (e.g. udev).
if KERNEL_DEVTMPFS
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)
CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
CONFIG_BLK_DEV_THROTTLING=y.
+ if KERNEL_BLK_CGROUP
+
+ config KERNEL_CFQ_GROUP_IOSCHED
+ bool "Proportional weight of disk bandwidth in CFQ"
+
+ config KERNEL_BLK_DEV_THROTTLING
+ bool "Enable throttling policy"
+ default y if TARGET_brcm2708
+
+ config KERNEL_BLK_DEV_THROTTLING_LOW
+ bool "Block throttling .low limit interface support (EXPERIMENTAL)"
+ depends on KERNEL_BLK_DEV_THROTTLING
+ endif
+
config KERNEL_DEBUG_BLK_CGROUP
bool "Enable Block IO controller debugging"
default n
default n
help
Build kernel with support for seccomp.
+
+#
+# IPv4 configuration
+#
+
+config KERNEL_IP_MROUTE
+ bool "Enable IPv4 multicast routing"
+ default y
+ help
+ Multicast routing requires a multicast routing daemon in
+ addition to kernel support.
+
+#
+# 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
+ bool "Enable IPv6 multicast routing"
+ default y
+ help
+ Multicast routing requires a multicast routing daemon in
+ addition to kernel support.
+
+ 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
+ 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.
+
+config KERNEL_SQUASHFS_FRAGMENT_CACHE_SIZE
+ int "Number of squashfs fragments cached"
+ default 2 if (SMALL_FLASH && !LOW_MEMORY_FOOTPRINT)
+ default 3
+
+#
+# compile optimiziation setting
+#
+choice
+ prompt "Compiler optimization level"
+ default KERNEL_CC_OPTIMIZE_FOR_SIZE if SMALL_FLASH
+
+config KERNEL_CC_OPTIMIZE_FOR_PERFORMANCE
+ bool "Optimize for performance"
+ help
+ This is the default optimization level for the kernel, building
+ with the "-O2" compiler flag for best performance and most
+ helpful compile-time warnings.
+
+config KERNEL_CC_OPTIMIZE_FOR_SIZE
+ bool "Optimize for size"
+ help
+ Enabling this option will pass "-Os" instead of "-O2" to
+ your compiler resulting in a smaller kernel.
+
+endchoice
projects / openwrt / openwrt.git / blobdiff