-# Copyright (C) 2006-2014 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
+# SPDX-License-Identifier: GPL-2.0-only
#
+# Copyright (C) 2006-2014 OpenWrt.org
config KERNEL_BUILD_USER
string "Custom Kernel Build User Name"
bool "Support for paging of anonymous memory (swap)"
default y if !SMALL_FLASH
+config KERNEL_PROC_STRIPPED
+ bool "Strip non-essential /proc functionality to reduce code size"
+ default y if SMALL_FLASH
+
config KERNEL_DEBUG_FS
bool "Compile the kernel with debug filesystem enabled"
default y
write to these files. Many common debugging facilities, such as
ftrace, require the existence of debugfs.
-# remove KERNEL_MIPS_FPU_EMULATOR after kernel 4.14 and 4.14 are gone
-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_MIPS_FP_SUPPORT
bool
- default y if KERNEL_MIPS_FPU_EMULATOR
+ default y if TARGET_pistachio
config KERNEL_ARM_PMU
bool
depends on KERNEL_FUNCTION_TRACER
default n
+config KERNEL_IRQSOFF_TRACER
+ bool "Interrupts-off Latency Tracer"
+ depends on KERNEL_FTRACE
+ help
+ This option measures the time spent in irqs-off critical
+ sections, with microsecond accuracy.
+
+ The default measurement method is a maximum search, which is
+ disabled by default and can be runtime (re-)started
+ via:
+
+ echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
+
+ (Note that kernel size and overhead increase with this option
+ enabled. This option and the preempt-off timing option can be
+ used together or separately.)
+
+config KERNEL_PREEMPT_TRACER
+ bool "Preemption-off Latency Tracer"
+ depends on KERNEL_FTRACE
+ help
+ This option measures the time spent in preemption-off critical
+ sections, with microsecond accuracy.
+
+ The default measurement method is a maximum search, which is
+ disabled by default and can be runtime (re-)started
+ via:
+
+ echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
+
+ (Note that kernel size and overhead increase with this option
+ enabled. This option and the irqs-off timing option can be
+ used together or separately.)
+
config KERNEL_DEBUG_KERNEL
bool
default n
instrumentation and testing.
If in doubt, say "N".
-config KERNEL_KPROBE_EVENT
- bool
- default y if KERNEL_KPROBES
-
config KERNEL_KPROBE_EVENTS
bool
default y if KERNEL_KPROBES
bool "Compile the kernel with asynchronous IO support"
default y if !SMALL_FLASH
+config KERNEL_IO_URING
+ bool "Compile the kernel with io_uring support"
+ default y if !SMALL_FLASH
+
config KERNEL_FHANDLE
bool "Compile the kernel with support for fhandle syscalls"
default y if !SMALL_FLASH
bool "Compile the kernel with SCSI generic v4 support for any block device"
default n
+config KERNEL_TRANSPARENT_HUGEPAGE
+ bool
+
+choice
+ prompt "Transparent Hugepage Support sysfs defaults"
+ depends on KERNEL_TRANSPARENT_HUGEPAGE
+ default KERNEL_TRANSPARENT_HUGEPAGE_ALWAYS
+
+ config KERNEL_TRANSPARENT_HUGEPAGE_ALWAYS
+ bool "always"
+
+ config KERNEL_TRANSPARENT_HUGEPAGE_MADVISE
+ bool "madvise"
+endchoice
+
+config KERNEL_HUGETLBFS
+ bool
+
+config KERNEL_HUGETLB_PAGE
+ 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"
default y
endif
config KERNEL_KEYS
- bool "Enable kernel access key retention support"
- default n
+ bool "Enable kernel access key retention support"
+ default !SMALL_FLASH
config KERNEL_PERSISTENT_KEYRINGS
- bool "Enable kernel persistent keyrings"
- depends on KERNEL_KEYS
- default n
+ 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_KEYS_REQUEST_CACHE
+ bool "Enable temporary caching of the last request_key() result"
+ 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
+config KERNEL_BIG_KEYS
+ bool "Enable large payload keys on kernel keyrings"
+ depends on KERNEL_KEYS
+ default n
#
# CGROUP support symbols
config KERNEL_FREEZER
bool
- default y if KERNEL_CGROUP_FREEZER
config KERNEL_CGROUP_FREEZER
- bool "Freezer cgroup subsystem"
- default y
+ bool "legacy Freezer cgroup subsystem"
+ default n
+ select KERNEL_FREEZER
help
Provides a way to freeze and unfreeze all tasks in a
cgroup.
+ (legacy cgroup1-only controller, in cgroup2 freezer
+ is integrated in the Memory controller)
config KERNEL_CGROUP_DEVICE
- bool "Device controller for cgroups"
- default y
+ 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.
+ (legacy cgroup1-only controller)
+
+ config KERNEL_CGROUP_HUGETLB
+ bool "HugeTLB controller"
+ default n
+ select KERNEL_HUGETLB_PAGE
config KERNEL_CGROUP_PIDS
bool "PIDs cgroup subsystem"
Provides enforcement of process number limits in the scope of a
cgroup.
+ config KERNEL_CGROUP_RDMA
+ bool "RDMA controller for cgroups"
+ default y
+
+ config KERNEL_CGROUP_BPF
+ bool "Support for eBPF programs attached to cgroups"
+ default y
+
config KERNEL_CPUSETS
bool "Cpuset support"
- default y if !SMALL_FLASH
+ default y
help
This option will let you create and manage CPUSETs which
allow dynamically partitioning a system into sets of CPUs and
config KERNEL_CGROUP_CPUACCT
bool "Simple CPU accounting cgroup subsystem"
- default y if !SMALL_FLASH
+ default y
help
Provides a simple Resource Controller for monitoring the
total CPU consumed by the tasks in a cgroup.
config KERNEL_RESOURCE_COUNTERS
bool "Resource counters"
- default y if !SMALL_FLASH
+ default y
help
This option enables controller independent resource accounting
infrastructure that works with cgroups.
config KERNEL_MEMCG
bool "Memory Resource Controller for Control Groups"
- default y if !SMALL_FLASH
+ default y
+ select KERNEL_FREEZER
depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18
help
Provides a memory resource controller that manages both anonymous
config KERNEL_MEMCG_SWAP
bool "Memory Resource Controller Swap Extension"
- default n
+ default y
depends on KERNEL_MEMCG
help
Add swap management feature to memory resource controller. When you
config KERNEL_MEMCG_KMEM
bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
- default y if !SMALL_FLASH
+ default y
depends on KERNEL_MEMCG
help
The Kernel Memory extension for Memory Resource Controller can limit
menuconfig KERNEL_CGROUP_SCHED
bool "Group CPU scheduler"
- default y if !SMALL_FLASH
+ default y
help
This feature lets CPU scheduler recognize task groups and control CPU
bandwidth allocation to such task groups. It uses cgroups to group
config KERNEL_FAIR_GROUP_SCHED
bool "Group scheduling for SCHED_OTHER"
- default y if !SMALL_FLASH
+ default y
config KERNEL_CFS_BANDWIDTH
bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
- default n
+ default y
depends on KERNEL_FAIR_GROUP_SCHED
help
This option allows users to define CPU bandwidth rates (limits) for
config KERNEL_RT_GROUP_SCHED
bool "Group scheduling for SCHED_RR/FIFO"
- default y if !SMALL_FLASH
+ default y
help
This feature lets you explicitly allocate real CPU bandwidth
to task groups. If enabled, it will also make it impossible to
config KERNEL_BLK_DEV_THROTTLING
bool "Enable throttling policy"
- default y if TARGET_bcm27xx
+ default y
config KERNEL_BLK_DEV_THROTTLING_LOW
bool "Block throttling .low limit interface support (EXPERIMENTAL)"
files in a cgroup which can be useful for debugging.
config KERNEL_NET_CLS_CGROUP
- bool "Control Group Classifier"
- default y
+ 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 "Network priority cgroup"
- default y
+ bool "legacy Network priority cgroup"
+ default n
endif
config KERNEL_IPV6_PIMSM_V2
def_bool n
+ config KERNEL_IPV6_SEG6_LWTUNNEL
+ bool "Enable support for lightweight tunnels"
+ default y if !SMALL_FLASH
+ help
+ Using lwtunnel (needed for IPv6 segment routing) requires ip-full package.
+
+ config KERNEL_LWTUNNEL_BPF
+ def_bool n
+
endif
#
default 2 if (SMALL_FLASH && !LOW_MEMORY_FOOTPRINT)
default 3
+config KERNEL_SQUASHFS_XATTR
+ bool "Squashfs XATTR support"
+
#
# compile optimiziation setting
#
your compiler resulting in a smaller kernel.
endchoice
+
+config KERNEL_AUDIT
+ bool "Auditing support"
+
+config KERNEL_SECURITY
+ bool "Enable different security models"
+
+config KERNEL_SECURITY_NETWORK
+ bool "Socket and Networking Security Hooks"
+ select KERNEL_SECURITY
+
+config KERNEL_SECURITY_SELINUX
+ bool "NSA SELinux Support"
+ select KERNEL_SECURITY_NETWORK
+ select KERNEL_AUDIT
+
+config KERNEL_SECURITY_SELINUX_BOOTPARAM
+ bool "NSA SELinux boot parameter"
+ depends on KERNEL_SECURITY_SELINUX
+ default y
+
+config KERNEL_SECURITY_SELINUX_DISABLE
+ bool "NSA SELinux runtime disable"
+ depends on KERNEL_SECURITY_SELINUX
+
+config KERNEL_SECURITY_SELINUX_DEVELOP
+ bool "NSA SELinux Development Support"
+ depends on KERNEL_SECURITY_SELINUX
+ default y
+
+config KERNEL_SECURITY_SELINUX_SIDTAB_HASH_BITS
+ int
+ depends on KERNEL_SECURITY_SELINUX
+ default 9
+
+config KERNEL_SECURITY_SELINUX_SID2STR_CACHE_SIZE
+ int
+ depends on KERNEL_SECURITY_SELINUX
+ default 256
+
+config KERNEL_LSM
+ string
+ default "lockdown,yama,loadpin,safesetid,integrity,selinux"
+ depends on KERNEL_SECURITY_SELINUX
+
+config KERNEL_EXT4_FS_SECURITY
+ bool "Ext4 Security Labels"
+
+config KERNEL_F2FS_FS_SECURITY
+ bool "F2FS Security Labels"
+
+config KERNEL_UBIFS_FS_SECURITY
+ bool "UBIFS Security Labels"
+
+config KERNEL_JFFS2_FS_SECURITY
+ bool "JFFS2 Security Labels"
projects / openwrt / staging / mkresin.git / blobdiff