X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=config%2FConfig-kernel.in;h=e146107148b1f0721863175aaaad7daa5270a281;hb=44bcad24b6f330aae73994e881e25df0fd7a490d;hp=52e74a175b130a9e2e90b9aa711913b8d39034c1;hpb=b951f53fbae3b6ad298da3d123a48fa260493a91;p=openwrt%2Fstaging%2Fjow.git diff --git a/config/Config-kernel.in b/config/Config-kernel.in index 52e74a175b..e146107148 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 @@ -44,10 +41,9 @@ 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 @@ -85,6 +81,11 @@ config KERNEL_PROFILING 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 @@ -113,6 +114,16 @@ config KERNEL_UBSAN_ALIGNMENT 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 @@ -120,6 +131,19 @@ config KERNEL_UBSAN_NULL 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 @@ -146,6 +170,30 @@ config KERNEL_KASAN_EXTRA 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" @@ -267,6 +315,53 @@ config KERNEL_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 @@ -278,6 +373,20 @@ config KERNEL_DEBUG_INFO help This will compile your kernel and modules with debug information. +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. + config KERNEL_DEBUG_LL_UART_NONE bool default n @@ -328,18 +437,23 @@ 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_KPROBE_OVERRIDE bool - default y if KERNEL_KPROBES + depends on KERNEL_KPROBES + default n 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 @@ -352,6 +466,30 @@ 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 + default n + config KERNEL_MAGIC_SYSRQ bool "Compile the kernel with SysRq support" default y @@ -377,34 +515,22 @@ config KERNEL_PROVE_LOCKING select KERNEL_DEBUG_KERNEL default n -config KERNEL_LOCKUP_DETECTOR - bool "Compile the kernel with detect Hard and Soft Lockups" +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 - hard and soft lockups. + 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. - Hardlockups are bugs that cause the CPU to loop in kernel mode - for more than 10 seconds, without letting other interrupts have a - chance to run. The current stack trace is displayed upon detection - and the system will stay locked up. - - The overhead should be minimal. A periodic hrtimer runs to - generate interrupts and kick the watchdog task every 4 seconds. - An NMI is generated every 10 seconds or so to check for hardlockups. - - The frequency of hrtimer and NMI events and the soft and hard lockup - thresholds can be controlled through the sysctl watchdog_thresh. - config KERNEL_DETECT_HUNG_TASK bool "Compile the kernel with detect Hung Tasks" depends on KERNEL_DEBUG_KERNEL - default KERNEL_LOCKUP_DETECTOR + 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 @@ -472,10 +598,14 @@ 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 @@ -504,23 +634,23 @@ if KERNEL_DEVTMPFS 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 @@ -542,21 +672,29 @@ 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" + 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" @@ -565,9 +703,17 @@ 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 @@ -581,14 +727,14 @@ if KERNEL_CGROUPS 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. @@ -599,7 +745,8 @@ if KERNEL_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 @@ -622,7 +769,7 @@ 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 @@ -657,7 +804,7 @@ 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 @@ -678,7 +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 @@ -688,11 +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 @@ -703,7 +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 @@ -738,7 +885,7 @@ if KERNEL_CGROUPS 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)" @@ -754,12 +901,16 @@ if KERNEL_CGROUPS 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_NETPRIO_CGROUP - bool "Network priority cgroup" - default y + 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 @@ -859,6 +1010,19 @@ 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 # @@ -881,11 +1045,37 @@ 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. + # # NFS related symbols # @@ -1027,8 +1217,11 @@ 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" @@ -1048,3 +1241,59 @@ 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"