X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=config%2FConfig-kernel.in;h=258163984e7c357d0075718a79de3da1f70bdfc7;hb=721206a1b14fc5eba7ba8e20d979b26baf934e0d;hp=d9a9fe687f9f33ed595b0767b75012b534123403;hpb=083bb9b6a4e33a2881da9086c65792148d0d04b1;p=openwrt%2Fstaging%2Fjow.git diff --git a/config/Config-kernel.in b/config/Config-kernel.in index d9a9fe687f..258163984e 100644 --- a/config/Config-kernel.in +++ b/config/Config-kernel.in @@ -1,8 +1,6 @@ -# 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" @@ -26,15 +24,14 @@ config KERNEL_PRINTK bool "Enable support for printk" default y -config KERNEL_CRASHLOG - bool "Crash logging" - 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 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 @@ -44,19 +41,16 @@ config KERNEL_DEBUG_FS write to these files. Many common debugging facilities, such as ftrace, require the existence of debugfs. -config KERNEL_MIPS_FPU_EMULATOR - bool "Compile the kernel with MIPS FPU Emulator" +config KERNEL_MIPS_FP_SUPPORT + bool default y if TARGET_pistachio - depends on (mips || mipsel || mips64 || mips64el) 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 @@ -74,20 +68,189 @@ config KERNEL_X86_VSYSCALL_EMULATION 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 as OProfile. +config KERNEL_RPI_AXIPERF + bool "Compile the kernel with RaspberryPi AXI Performance monitors" + default y + depends on KERNEL_PERF_EVENTS && TARGET_bcm27xx + +config KERNEL_UBSAN + bool "Compile the kernel with undefined behaviour sanity checker" + help + This option enables undefined behaviour sanity checker + Compile-time instrumentation is used to detect various undefined + behaviours in runtime. Various types of checks may be enabled + via boot parameter ubsan_handle + (see: Documentation/dev-tools/ubsan.rst). + +config KERNEL_UBSAN_SANITIZE_ALL + bool "Enable instrumentation for the entire kernel" + depends on KERNEL_UBSAN + default y + help + This option activates instrumentation for the entire kernel. + If you don't enable this option, you have to explicitly specify + UBSAN_SANITIZE := y for the files/directories you want to check for UB. + Enabling this option will get kernel image size increased + significantly. + +config KERNEL_UBSAN_ALIGNMENT + bool "Enable checking of pointers alignment" + depends on KERNEL_UBSAN + help + This option enables detection of unaligned memory accesses. + Enabling this option on architectures that support unaligned + accesses may produce a lot of false positives. + +config KERNEL_UBSAN_BOUNDS + bool "Perform array index bounds checking" + depends on KERNEL_UBSAN + help + This option enables detection of directly indexed out of bounds array + accesses, where the array size is known at compile time. Note that + this does not protect array overflows via bad calls to the + {str,mem}*cpy() family of functions (that is addressed by + FORTIFY_SOURCE). + +config KERNEL_UBSAN_NULL + bool "Enable checking of null pointers" + depends on KERNEL_UBSAN + help + This option enables detection of memory accesses via a + null pointer. + +config KERNEL_UBSAN_TRAP + bool "On Sanitizer warnings, abort the running kernel code" + depends on KERNEL_UBSAN + help + Building kernels with Sanitizer features enabled tends to grow the + kernel size by around 5%, due to adding all the debugging text on + failure paths. To avoid this, Sanitizer instrumentation can just + issue a trap. This reduces the kernel size overhead but turns all + warnings (including potentially harmless conditions) into full + exceptions that abort the running kernel code (regardless of context, + locks held, etc), which may destabilize the system. For some system + builders this is an acceptable trade-off. + +config KERNEL_KASAN + bool "Compile the kernel with KASan: runtime memory debugger" + select KERNEL_SLUB_DEBUG + depends on (x86_64 || aarch64) + help + Enables kernel address sanitizer - runtime memory debugger, + designed to find out-of-bounds accesses and use-after-free bugs. + This is strictly a debugging feature and it requires a gcc version + of 4.9.2 or later. Detection of out of bounds accesses to stack or + global variables requires gcc 5.0 or later. + This feature consumes about 1/8 of available memory and brings about + ~x3 performance slowdown. + For better error detection enable CONFIG_STACKTRACE. + Currently CONFIG_KASAN doesn't work with CONFIG_DEBUG_SLAB + (the resulting kernel does not boot). + +config KERNEL_KASAN_EXTRA + bool "KAsan: extra checks" + depends on KERNEL_KASAN && KERNEL_DEBUG_KERNEL + help + This enables further checks in the kernel address sanitizer, for now + it only includes the address-use-after-scope check that can lead + to excessive kernel stack usage, frame size warnings and longer + compile time. + https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 has more + +config KERNEL_KASAN_VMALLOC + bool "Back mappings in vmalloc space with real shadow memory" + depends on KERNEL_KASAN + help + By default, the shadow region for vmalloc space is the read-only + zero page. This means that KASAN cannot detect errors involving + vmalloc space. + + Enabling this option will hook in to vmap/vmalloc and back those + mappings with real shadow memory allocated on demand. This allows + for KASAN to detect more sorts of errors (and to support vmapped + stacks), but at the cost of higher memory usage. + + This option depends on HAVE_ARCH_KASAN_VMALLOC, but we can't + depend on that in here, so it is possible that enabling this + will have no effect. + +if KERNEL_KASAN + config KERNEL_KASAN_GENERIC + def_bool y + + config KERNEL_KASAN_SW_TAGS + def_bool n +endif + +choice + prompt "Instrumentation type" + depends on KERNEL_KASAN + default KERNEL_KASAN_OUTLINE + +config KERNEL_KASAN_OUTLINE + bool "Outline instrumentation" + help + Before every memory access compiler insert function call + __asan_load*/__asan_store*. These functions performs check + of shadow memory. This is slower than inline instrumentation, + however it doesn't bloat size of kernel's .text section so + much as inline does. + +config KERNEL_KASAN_INLINE + bool "Inline instrumentation" + help + Compiler directly inserts code checking shadow memory before + memory accesses. This is faster than outline (in some workloads + it gives about x2 boost over outline instrumentation), but + make kernel's .text size much bigger. + This requires a gcc version of 5.0 or later. + +endchoice + +config KERNEL_KCOV + bool "Compile the kernel with code coverage for fuzzing" + select KERNEL_DEBUG_FS + help + KCOV exposes kernel code coverage information in a form suitable + for coverage-guided fuzzing (randomized testing). + + If RANDOMIZE_BASE is enabled, PC values will not be stable across + different machines and across reboots. If you need stable PC values, + disable RANDOMIZE_BASE. + + For more details, see Documentation/kcov.txt. + +config KERNEL_KCOV_ENABLE_COMPARISONS + bool "Enable comparison operands collection by KCOV" + depends on KERNEL_KCOV + help + KCOV also exposes operands of every comparison in the instrumented + code along with operand sizes and PCs of the comparison instructions. + These operands can be used by fuzzing engines to improve the quality + of fuzzing coverage. + +config KERNEL_KCOV_INSTRUMENT_ALL + bool "Instrument all code by default" + depends on KERNEL_KCOV + default y if KERNEL_KCOV + help + If you are doing generic system call fuzzing (like e.g. syzkaller), + then you will want to instrument the whole kernel and you should + say y here. If you are doing more targeted fuzzing (like e.g. + filesystem fuzzing with AFL) then you will want to enable coverage + for more specific subsets of files, and should say n here. + 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 @@ -115,41 +278,80 @@ config KERNEL_KALLSYMS 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" + 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_HIST_TRIGGERS + bool "Histogram triggers" + depends on KERNEL_FTRACE + help + Hist triggers allow one or more arbitrary trace event fields to be + aggregated into hash tables and dumped to stdout by reading a + debugfs/tracefs file. They're useful for gathering quick and dirty + (though precise) summaries of event activity as an initial guide for + further investigation using more advanced tools. + + Inter-event tracing of quantities such as latencies is also + supported using hist triggers under this option. config KERNEL_DEBUG_KERNEL bool - default n config KERNEL_DEBUG_INFO bool "Compile the kernel with debug information" @@ -158,6 +360,37 @@ config KERNEL_DEBUG_INFO help This will compile your kernel and modules with debug information. +config KERNEL_DEBUG_INFO_BTF + + bool "Enable additional BTF type information" + depends on !HOST_OS_MACOS + depends on KERNEL_DEBUG_INFO && !KERNEL_DEBUG_INFO_REDUCED + select DWARVES + help + Generate BPF Type Format (BTF) information from DWARF debug info. + Turning this on expects presence of pahole tool, which will convert + DWARF type info into equivalent deduplicated BTF type info. + + Required to run BPF CO-RE applications. + +config KERNEL_DEBUG_INFO_REDUCED + bool "Reduce debugging information" + default y + depends on KERNEL_DEBUG_INFO + help + If you say Y here gcc is instructed to generate less debugging + information for structure types. This means that tools that + need full debugging information (like kgdb or systemtap) won't + be happy. But if you merely need debugging information to + resolve line numbers there is no loss. Advantage is that + build directory object sizes shrink dramatically over a full + DEBUG_INFO build and compile times are reduced too. + Only works with newer gcc versions. + +# KERNEL_DEBUG_LL symbols must have the default value set as otherwise +# KConfig wont evaluate them unless KERNEL_EARLY_PRINTK is selected +# which means that buildroot wont override the DEBUG_LL symbols in target +# kernel configurations and lead to devices that dont have working console config KERNEL_DEBUG_LL_UART_NONE bool default n @@ -171,10 +404,16 @@ config KERNEL_DEBUG_LL help ARM low level debugging. +config KERNEL_DEBUG_VIRTUAL + bool "Compile the kernel with VM translations debugging" + select KERNEL_DEBUG_KERNEL + 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 @@ -186,7 +425,6 @@ config KERNEL_DYNAMIC_DEBUG 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 @@ -197,7 +435,6 @@ config KERNEL_EARLY_PRINTK config KERNEL_KPROBES bool "Compile the kernel with kprobes support" - default n select KERNEL_FTRACE select KERNEL_PERF_EVENTS help @@ -208,18 +445,31 @@ config KERNEL_KPROBES instrumentation and testing. If in doubt, say "N". -config KERNEL_KPROBE_EVENT +config KERNEL_KPROBE_EVENTS bool default y if KERNEL_KPROBES -config KERNEL_KPROBE_EVENTS +config KERNEL_BPF_EVENTS + bool "Compile the kernel with BPF event support" + select KERNEL_KPROBES + help + Allows to attach BPF programs to kprobe, uprobe and tracepoint events. + This is required to use BPF maps of type BPF_MAP_TYPE_PERF_EVENT_ARRAY + for sending data from BPF programs to user-space for post-processing + or logging. + +config KERNEL_BPF_KPROBE_OVERRIDE bool - default y if KERNEL_KPROBES + depends on KERNEL_KPROBES config KERNEL_AIO 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 @@ -230,7 +480,29 @@ config KERNEL_FANOTIFY 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 + +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 config KERNEL_MAGIC_SYSRQ bool "Compile the kernel with SysRq support" @@ -255,7 +527,62 @@ config KERNEL_ELF_CORE 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" + depends on KERNEL_DEBUG_KERNEL + help + Say Y here to enable the kernel to act as a watchdog to detect + soft lockups. + + Softlockups are bugs that cause the kernel to loop in kernel + mode for more than 20 seconds, without giving other tasks a + chance to run. The current stack trace is displayed upon + detection and the system will stay locked up. + +config KERNEL_DETECT_HUNG_TASK + bool "Compile the kernel with detect Hung Tasks" + depends on KERNEL_DEBUG_KERNEL + default KERNEL_SOFTLOCKUP_DETECTOR + help + Say Y here to enable the kernel to detect "hung tasks", + which are bugs that cause the task to be stuck in + uninterruptible "D" state indefinitely. + + When a hung task is detected, the kernel will print the + current stack trace (which you should report), but the + task will stay in uninterruptible state. If lockdep is + enabled then all held locks will also be reported. This + feature has negligible overhead. + +config KERNEL_WQ_WATCHDOG + bool "Compile the kernel with detect Workqueue Stalls" + depends on KERNEL_DEBUG_KERNEL + help + Say Y here to enable stall detection on workqueues. If a + worker pool doesn't make forward progress on a pending work + item for over a given amount of time, 30s by default, a + warning message is printed along with dump of workqueue + state. This can be configured through kernel parameter + "workqueue.watchdog_thresh" and its sysfs counterpart. + +config KERNEL_DEBUG_ATOMIC_SLEEP + bool "Compile the kernel with sleep inside atomic section checking" + depends on KERNEL_DEBUG_KERNEL + help + If you say Y here, various routines which may sleep will become very + noisy if they are called inside atomic sections: when a spinlock is + held, inside an rcu read side critical section, inside preempt disabled + sections, inside an interrupt, etc... + +config KERNEL_DEBUG_VM + bool "Compile the kernel with debug VM" + depends on KERNEL_DEBUG_KERNEL + help + Enable this to turn on extended checks in the virtual-memory system + that may impact performance. + + If unsure, say N. config KERNEL_PRINTK_TIME bool "Enable printk timestamps" @@ -284,10 +611,14 @@ config KERNEL_KEXEC config KERNEL_PROC_VMCORE bool +config KERNEL_PROC_KCORE + bool + config KERNEL_CRASH_DUMP depends on i386 || x86_64 || arm || armeb select KERNEL_KEXEC select KERNEL_PROC_VMCORE + select KERNEL_PROC_KCORE bool "Enable support for kexec crashdump" default y @@ -297,11 +628,9 @@ config USE_RFKILL 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 @@ -311,28 +640,24 @@ 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 + 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 -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 -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 # # CGROUP support symbols @@ -346,7 +671,6 @@ if KERNEL_CGROUPS 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 @@ -354,21 +678,26 @@ if KERNEL_CGROUPS 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" + 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" 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" + select KERNEL_HUGETLB_PAGE config KERNEL_CGROUP_PIDS bool "PIDs cgroup subsystem" @@ -377,9 +706,17 @@ if KERNEL_CGROUPS 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 @@ -388,19 +725,18 @@ if KERNEL_CGROUPS config KERNEL_PROC_PID_CPUSET bool "Include legacy /proc//cpuset file" - default n depends on KERNEL_CPUSETS 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. @@ -411,8 +747,9 @@ if KERNEL_CGROUPS config KERNEL_MEMCG bool "Memory Resource Controller for Control Groups" - default y if !SMALL_FLASH - depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18 + default y + select KERNEL_FREEZER + depends on KERNEL_RESOURCE_COUNTERS help Provides a memory resource controller that manages both anonymous memory and page cache. (See Documentation/cgroups/memory.txt) @@ -434,7 +771,7 @@ if KERNEL_CGROUPS 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 @@ -453,7 +790,6 @@ if KERNEL_CGROUPS 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 @@ -469,7 +805,7 @@ if KERNEL_CGROUPS 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 @@ -482,7 +818,6 @@ if KERNEL_CGROUPS 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 @@ -490,7 +825,7 @@ if KERNEL_CGROUPS 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 @@ -500,11 +835,11 @@ if KERNEL_CGROUPS 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 @@ -515,7 +850,7 @@ if KERNEL_CGROUPS 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 @@ -550,7 +885,7 @@ if KERNEL_CGROUPS config KERNEL_BLK_DEV_THROTTLING bool "Enable throttling policy" - default y if TARGET_brcm2708 + default y config KERNEL_BLK_DEV_THROTTLING_LOW bool "Block throttling .low limit interface support (EXPERIMENTAL)" @@ -559,19 +894,19 @@ if KERNEL_CGROUPS 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 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" - config KERNEL_NETPRIO_CGROUP - bool "Network priority cgroup" - default y + config KERNEL_CGROUP_NET_CLASSID + bool "legacy Network classid cgroup" + + config KERNEL_CGROUP_NET_PRIO + bool "legacy Network priority cgroup" endif @@ -623,41 +958,30 @@ if KERNEL_NAMESPACES endif -# -# LXC related symbols -# - -config KERNEL_LXC_MISC - bool "Enable miscellaneous LXC related options" +config KERNEL_DEVPTS_MULTIPLE_INSTANCES + bool "Support multiple instances of devpts" default y if !SMALL_FLASH + help + Enable support for multiple instances of devpts filesystem. + If you want to have isolated PTY namespaces (eg: in containers), + say Y here. Otherwise, say N. If enabled, each mount of devpts + filesystem with the '-o newinstance' option will create an + independent PTY namespace. + +config KERNEL_POSIX_MQUEUE + bool "POSIX Message Queues" + default y if !SMALL_FLASH + help + POSIX variant of message queues is a part of IPC. In POSIX message + queues every message has a priority which decides about succession + of receiving it by a process. If you want to compile and run + programs written e.g. for Solaris with use of its POSIX message + queues (functions mq_*) say Y here. -if KERNEL_LXC_MISC - - config KERNEL_DEVPTS_MULTIPLE_INSTANCES - bool "Support multiple instances of devpts" - default y - help - Enable support for multiple instances of devpts filesystem. - If you want to have isolated PTY namespaces (eg: in containers), - say Y here. Otherwise, say N. If enabled, each mount of devpts - filesystem with the '-o newinstance' option will create an - independent PTY namespace. - - config KERNEL_POSIX_MQUEUE - bool "POSIX Message Queues" - default y - help - POSIX variant of message queues is a part of IPC. In POSIX message - queues every message has a priority which decides about succession - of receiving it by a process. If you want to compile and run - programs written e.g. for Solaris with use of its POSIX message - queues (functions mq_*) say Y here. - - POSIX message queues are visible as a filesystem called 'mqueue' - and can be mounted somewhere if you want to do filesystem - operations on message queues. + POSIX message queues are visible as a filesystem called 'mqueue' + and can be mounted somewhere if you want to do filesystem + operations on message queues. -endif config KERNEL_SECCOMP_FILTER bool @@ -682,6 +1006,19 @@ config KERNEL_IP_MROUTE Multicast routing requires a multicast routing daemon in addition to kernel support. +if KERNEL_IP_MROUTE + + config KERNEL_IP_MROUTE_MULTIPLE_TABLES + def_bool y + + config KERNEL_IP_PIMSM_V1 + def_bool y + + config KERNEL_IP_PIMSM_V2 + def_bool y + +endif + # # IPv6 configuration # @@ -704,11 +1041,60 @@ if KERNEL_IPV6 Multicast routing requires a multicast routing daemon in addition to kernel support. - config KERNEL_IPV6_PIMSM_V2 + if KERNEL_IPV6_MROUTE + + config KERNEL_IPV6_MROUTE_MULTIPLE_TABLES + def_bool y + + config KERNEL_IPV6_PIMSM_V2 + def_bool y + + endif + + 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 +# +# Miscellaneous network configuration +# + +config KERNEL_NET_L3_MASTER_DEV + bool "L3 Master device support" + help + This module provides glue between core networking code and device + drivers to support L3 master devices like VRF. + +config KERNEL_WIRELESS_EXT + def_bool n + +config KERNEL_WEXT_CORE + def_bool KERNEL_WIRELESS_EXT + +config KERNEL_WEXT_PRIV + def_bool KERNEL_WIRELESS_EXT + +config KERNEL_WEXT_PROC + def_bool KERNEL_WIRELESS_EXT + +config KERNEL_WEXT_SPY + def_bool KERNEL_WIRELESS_EXT + +config KERNEL_PAGE_POOL + def_bool n + +config KERNEL_PAGE_POOL_STATS + bool "Page pool stats support" + depends on KERNEL_PAGE_POOL + depends on !LINUX_5_10 + # # NFS related symbols # @@ -746,7 +1132,6 @@ 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, @@ -771,17 +1156,14 @@ menu "Filesystem ACL and attr support options" 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" @@ -793,7 +1175,7 @@ menu "Filesystem ACL and attr support options" select KERNEL_FS_POSIX_ACL default y if USE_FS_ACL_ATTR - config KERNEL_HFSPLUG_FS_POSIX_ACL + config KERNEL_HFSPLUS_FS_POSIX_ACL bool "Enable POSIX ACL for HFS+ Filesystems" select KERNEL_FS_POSIX_ACL default y if USE_FS_ACL_ATTR @@ -804,15 +1186,12 @@ menu "Filesystem ACL and attr support options" 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" @@ -850,8 +1229,11 @@ config KERNEL_SQUASHFS_FRAGMENT_CACHE_SIZE default 2 if (SMALL_FLASH && !LOW_MEMORY_FOOTPRINT) default 3 +config KERNEL_SQUASHFS_XATTR + bool "Squashfs XATTR support" + # -# compile optimiziation setting +# compile optimization setting # choice prompt "Compiler optimization level" @@ -871,3 +1253,59 @@ config KERNEL_CC_OPTIMIZE_FOR_SIZE 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"