diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/init/Kconfig b/init/Kconfig index 2937c4d308ae..5230d4879b1c 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -118,10 +118,7 @@ config GCC_ASM_GOTO_OUTPUT_BROKEN config CC_HAS_ASM_GOTO_OUTPUT def_bool y depends on !GCC_ASM_GOTO_OUTPUT_BROKEN - # Detect basic support depends on $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null) - # Detect clang (< v17) scoped label issues - depends on $(success,echo 'void b(void **);void* c(void);int f(void){{asm goto(""::::l0);return 0;l0:return 1;}void *x __attribute__((cleanup(b)))=c();{asm goto(""::::l1);return 2;l1:return 3;}}' | $(CC) -x c - -c -o /dev/null) config CC_HAS_ASM_GOTO_TIED_OUTPUT depends on CC_HAS_ASM_GOTO_OUTPUT @@ -170,6 +167,9 @@ config CC_HAS_BROKEN_COUNTED_BY_REF # https://github.com/llvm/llvm-project/issues/182575 default y if CC_IS_CLANG && CLANG_VERSION < 220100 +config CC_HAS_ALLOC_TOKEN + def_bool $(cc-option,-falloc-token-max=123) + config CC_HAS_MULTIDIMENSIONAL_NONSTRING def_bool $(success,echo 'char tag[][4] __attribute__((__nonstring__)) = { };' | $(CC) $(CLANG_FLAGS) -x c - -c -o /dev/null -Werror) @@ -1019,6 +1019,17 @@ config NUMA_BALANCING This system will be inactive on UMA systems. +config SCHED_CACHE + bool "Cache aware load balance" + default y + depends on SMP + help + When enabled, the scheduler will attempt to aggregate tasks from + the same process onto a single Last Level Cache (LLC) domain when + possible. This improves cache locality by keeping tasks that share + resources within the same cache domain, reducing cache misses and + lowering data access latency. + config NUMA_BALANCING_DEFAULT_ENABLED bool "Automatically enable NUMA aware memory/task placement" default y @@ -1050,14 +1061,14 @@ config PAGE_COUNTER bool config CGROUP_FAVOR_DYNMODS - bool "Favor dynamic modification latency reduction by default" - help - This option enables the "favordynmods" mount option by default - which reduces the latencies of dynamic cgroup modifications such - as task migrations and controller on/offs at the cost of making - hot path operations such as forks and exits more expensive. + bool "Favor dynamic modification latency reduction by default" + help + This option enables the "favordynmods" mount option by default + which reduces the latencies of dynamic cgroup modifications such + as task migrations and controller on/offs at the cost of making + hot path operations such as forks and exits more expensive. - Say N if unsure. + Say N if unsure. config MEMCG bool "Memory controller" @@ -1139,7 +1150,7 @@ config GROUP_SCHED_WEIGHT def_bool n config GROUP_SCHED_BANDWIDTH - def_bool n + def_bool n config FAIR_GROUP_SCHED bool "Group scheduling for SCHED_OTHER" @@ -1645,10 +1656,10 @@ config LD_ORPHAN_WARN depends on $(ld-option,--orphan-handling=error) config LD_ORPHAN_WARN_LEVEL - string - depends on LD_ORPHAN_WARN - default "error" if WERROR - default "warn" + string + depends on LD_ORPHAN_WARN + default "error" if WERROR + default "warn" config SYSCTL bool @@ -1842,6 +1853,12 @@ config FUTEX_MPOL depends on FUTEX && NUMA default y +config HAVE_FUTEX_ROBUST_UNLOCK + bool + +config FUTEX_ROBUST_UNLOCK + def_bool FUTEX && HAVE_GENERIC_VDSO && GENERIC_IRQ_ENTRY && RSEQ && HAVE_FUTEX_ROBUST_UNLOCK + config EPOLL bool "Enable eventpoll support" if EXPERT default y @@ -2198,7 +2215,8 @@ config RUST depends on !DEBUG_INFO_BTF || (PAHOLE_HAS_LANG_EXCLUDE && !LTO) depends on !CFI || HAVE_CFI_ICALL_NORMALIZE_INTEGERS_RUSTC select CFI_ICALL_NORMALIZE_INTEGERS if CFI - depends on !KASAN_SW_TAGS + depends on !KASAN || CC_IS_CLANG + depends on !KASAN_SW_TAGS || RUSTC_VERSION >= 109600 help Enables Rust support in the kernel. @@ -2212,6 +2230,8 @@ config RUST If unsure, say N. +source "rust/kernel/Kconfig.test" + config RUSTC_VERSION_TEXT string depends on RUST |