diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 71 |
1 files changed, 59 insertions, 12 deletions
diff --git a/init/Kconfig b/init/Kconfig index ae5d00baeafb..836320251219 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -116,13 +116,14 @@ config CC_HAS_NO_PROFILE_FN_ATTR def_bool $(success,echo '__attribute__((no_profile_instrument_function)) int x();' | $(CC) -x c - -c -o /dev/null -Werror) config CC_HAS_COUNTED_BY - # TODO: when gcc 15 is released remove the build test and add - # a gcc version check - def_bool $(success,echo 'struct flex { int count; int array[] __attribute__((__counted_by__(count))); };' | $(CC) $(CLANG_FLAGS) -x c - -c -o /dev/null -Werror) + bool # clang needs to be at least 19.1.3 to avoid __bdos miscalculations # https://github.com/llvm/llvm-project/pull/110497 # https://github.com/llvm/llvm-project/pull/112636 - depends on !(CC_IS_CLANG && CLANG_VERSION < 190103) + default y if CC_IS_CLANG && CLANG_VERSION >= 190103 + # supported since gcc 15.1.0 + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108896 + default y if CC_IS_GCC && GCC_VERSION >= 150100 config CC_HAS_MULTIDIMENSIONAL_NONSTRING def_bool $(success,echo 'char tag[][4] __attribute__((__nonstring__)) = { };' | $(CC) $(CLANG_FLAGS) -x c - -c -o /dev/null -Werror) @@ -135,9 +136,15 @@ config LD_CAN_USE_KEEP_IN_OVERLAY config RUSTC_HAS_COERCE_POINTEE def_bool RUSTC_VERSION >= 108400 +config RUSTC_HAS_SPAN_FILE + def_bool RUSTC_VERSION >= 108800 + config RUSTC_HAS_UNNECESSARY_TRANSMUTES def_bool RUSTC_VERSION >= 108800 +config RUSTC_HAS_FILE_WITH_NUL + def_bool RUSTC_VERSION >= 108900 + config PAHOLE_VERSION int default $(shell,$(srctree)/scripts/pahole-version.sh $(PAHOLE)) @@ -165,6 +172,10 @@ menu "General setup" config BROKEN bool + help + This option allows you to choose whether you want to try to + compile (and fix) old drivers that haven't been updated to + new infrastructure. config BROKEN_ON_SMP bool @@ -871,6 +882,18 @@ config UCLAMP_BUCKETS_COUNT If in doubt, use the default value. +config SCHED_PROXY_EXEC + bool "Proxy Execution" + # Avoid some build failures w/ PREEMPT_RT until it can be fixed + depends on !PREEMPT_RT + # Need to investigate how to inform sched_ext of split contexts + depends on !SCHED_CLASS_EXT + # Not particularly useful until we get to multi-rq proxying + depends on EXPERT + help + This option enables proxy execution, a mechanism for mutex-owning + tasks to inherit the scheduling context of higher priority waiters. + endmenu # @@ -988,9 +1011,24 @@ config MEMCG select PAGE_COUNTER select EVENTFD select SLAB_OBJ_EXT + select VM_EVENT_COUNTERS help Provides control over the memory footprint of tasks in a cgroup. +config MEMCG_NMI_UNSAFE + bool + depends on MEMCG + depends on HAVE_NMI + depends on !ARCH_HAS_NMI_SAFE_THIS_CPU_OPS && !ARCH_HAVE_NMI_SAFE_CMPXCHG + default y + +config MEMCG_NMI_SAFETY_REQUIRES_ATOMIC + bool + depends on MEMCG + depends on HAVE_NMI + depends on !ARCH_HAS_NMI_SAFE_THIS_CPU_OPS && ARCH_HAVE_NMI_SAFE_CMPXCHG + default y + config MEMCG_V1 bool "Legacy cgroup v1 memory controller" depends on MEMCG @@ -1047,6 +1085,9 @@ if CGROUP_SCHED config GROUP_SCHED_WEIGHT def_bool n +config GROUP_SCHED_BANDWIDTH + def_bool n + config FAIR_GROUP_SCHED bool "Group scheduling for SCHED_OTHER" depends on CGROUP_SCHED @@ -1056,6 +1097,7 @@ config FAIR_GROUP_SCHED config CFS_BANDWIDTH bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED" depends on FAIR_GROUP_SCHED + select GROUP_SCHED_BANDWIDTH default n help This option allows users to define CPU bandwidth rates (limits) for @@ -1090,6 +1132,7 @@ config EXT_GROUP_SCHED bool depends on SCHED_CLASS_EXT && CGROUP_SCHED select GROUP_SCHED_WEIGHT + select GROUP_SCHED_BANDWIDTH default y endif #CGROUP_SCHED @@ -1772,7 +1815,7 @@ config IO_URING config GCOV_PROFILE_URING bool "Enable GCOV profiling on the io_uring subsystem" - depends on GCOV_KERNEL + depends on IO_URING && GCOV_KERNEL help Enable GCOV profiling on the io_uring subsystem, to facilitate code coverage testing. @@ -1783,6 +1826,17 @@ config GCOV_PROFILE_URING the io_uring subsystem, hence this should only be enabled for specific test purposes. +config IO_URING_MOCK_FILE + tristate "Enable io_uring mock files (Experimental)" if EXPERT + default n + depends on IO_URING + help + Enable mock files for io_uring subststem testing. The ABI might + still change, so it's still experimental and should only be enabled + for specific test purposes. + + If unsure, say N. + config ADVISE_SYSCALLS bool "Enable madvise/fadvise syscalls" if EXPERT default y @@ -1848,13 +1902,6 @@ config CACHESTAT_SYSCALL If unsure say Y here. -config PC104 - bool "PC/104 support" if EXPERT - help - Expose PC/104 form factor device drivers and options available for - selection and configuration. Enable this option if your target - machine has a PC/104 bus. - config KALLSYMS bool "Load all symbols for debugging/ksymoops" if EXPERT default y |