Lines Matching +full:foo +full:- +full:queue
1 # SPDX-License-Identifier: GPL-2.0-only
8 - Re-run Kconfig when the compiler is updated
13 - Ensure full rebuild when the compiler is updated
14 include/linux/compiler-version.h contains this option in the comment
16 auto-generated dependency. When the compiler is updated, syncconfig
20 def_bool $(success,test "$(cc-name)" = GCC)
24 default $(cc-version) if CC_IS_GCC
28 def_bool $(success,test "$(cc-name)" = Clang)
32 default $(cc-version) if CC_IS_CLANG
36 def_bool $(success,test "$(as-name)" = GNU)
39 def_bool $(success,test "$(as-name)" = LLVM)
45 default $(as-version)
48 def_bool $(success,test "$(ld-name)" = BFD)
52 default $(ld-version) if LD_IS_BFD
56 def_bool $(success,test "$(ld-name)" = LLD)
60 default $(ld-version) if LD_IS_LLD
65 default $(rustc-version)
75 Please see Documentation/rust/quick-start.rst for instructions on how
83 default $(rustc-llvm-version)
87 default $(shell,expr $(rustc-llvm-version) / 10000)
91 default y if CC_IS_CLANG && RUSTC_LLVM_MAJOR_VERSION = $(shell,expr $(cc-version) / 10000)
96 Operations involving handling LLVM IR or bitcode (e.g. cross-language
106 default $(cc_can_link_user,$(m64-flag)) if 64BIT
107 default $(cc_can_link_user,$(m32-flag))
122 …epends on $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0…
124 …te__((cleanup(b)))=c();{asm goto(""::::l1);return 2;l1:return 3;}}' | $(CC) -x c - -c -o /dev/null)
128 # Detect buggy gcc and clang, fixed in gcc-11 clang-14.
129 …$(success,echo 'int foo(int *x) { asm goto (".long (%l[bar]) - .": "+m"(*x) ::: bar); return *x; b…
132 …env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh)
135 def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)
141 # https://github.com/llvm/llvm-project/commit/c44fa3e8a9a44c2e9a575768a3c185354b9f6c17
148 … '__attribute__((no_profile_instrument_function)) int x();' | $(CC) -x c - -c -o /dev/null -Werror)
155 # https://github.com/llvm/llvm-project/commit/160fb1121cdf703c3ef5e61fb26c5659eb581489
170 # https://github.com/llvm/llvm-project/issues/182575
174 …[][4] __attribute__((__nonstring__)) = { };' | $(CC) $(CLANG_FLAGS) -x c - -c -o /dev/null -Werror)
178 # https://github.com/llvm/llvm-project/pull/130661
246 drivers to compile-test them.
257 enables the '-Werror' (for C) and '-Dwarnings' (for Rust) flags
273 Compile test headers exported to user-space to ensure they are
274 self-contained, i.e. compilable as standalone units.
277 headers are self-contained, say Y here. Otherwise, choose N.
280 string "Local version - append to kernel release"
298 A string of the format -gxxxxxxxx will be added to the localversion
299 if a git-based tree is found. The string generated by this will be
306 $ git rev-parse --verify HEAD
348 The linux kernel is a kind of self-extracting executable.
398 filter (i386, x86_64, ARM, ARM64, RISC-V, big endian PowerPC,
418 LZ4 is an LZ77-type compressor with a fixed, byte-oriented encoding.
475 DOSEMU-HOWTO, available from <http://www.tldp.org/docs.html#howto>),
515 bool "General notification queue"
519 This is a general notification queue for the kernel to pass events to
524 See Documentation/core-api/watch_queue.rst
588 this also enables accounting of stolen time on logically-partitioned
601 kernel-user boundaries using the context tracking subsystem.
691 bool "Enable per-task delay accounting"
712 bool "Enable per-task storage I/O accounting"
751 common scheduling-intense workloads in practice (such as
782 on-disk kernel. This information can be extracted from the kernel
783 image file with the script scripts/extract-ikconfig and used as
799 This option enables access to the in-kernel headers that are generated during
802 kheaders.ko is built which can be loaded on-demand to get access to headers.
911 the precision of clamping aggregation and tracking at run-time.
917 If a second 30% boosted task should be co-scheduled on the same CPU,
928 clamp buckets to trade off used memory for run-time tracking
939 # Not particularly useful until we get to multi-rq proxying
942 This option enables proxy execution, a mechanism for mutex-owning
948 # For architectures that want to enable the support for NUMA-affine scheduler
965 def_bool !$(cc-option,$(m64-flag) -D__SIZEOF_INT128__=0) && 64BIT
969 default "-Wimplicit-fallthrough=5" if CC_IS_GCC && $(cc-option,-Wimplicit-fallthrough=5)
970 default "-Wimplicit-fallthrough" if CC_IS_CLANG && $(cc-option,-Wunreachable-code-fallthrough)
974 default "-fms-anonymous-structs" if $(cc-option,-fms-anonymous-structs)
975 default "-fms-extensions"
977 # Currently, disable gcc-10+ array-bounds globally.
978 # It's still broken in gcc-13, so no upper bound yet.
986 # Currently, disable -Wstringop-overflow for GCC globally.
1005 # all cpu-local but of different latencies, such as SuperH.
1041 - Documentation/scheduler/sched-design-CFS.rst (CFS)
1042 - Documentation/admin-guide/cgroup-v1/ (features for grouping, isolation
1122 See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
1160 See Documentation/scheduler/sched-bwc.rst for more information.
1169 schedule realtime tasks for non-root users until you allocate
1171 See Documentation/scheduler/sched-rt-group.rst for more information.
1217 specified task-specific clamp value is constrained by the cgroup
1266 controller includes important in-kernel memory consumers per default.
1334 This option extends the perf per-cpu mode to restrict monitoring
1366 /Documentation/admin-guide/cgroup-v2.rst.
1432 user-space use the memory control groups to limit the amount
1482 bool "Kernel->user space relay support (formerly relayfs)"
1500 etc. See <file:Documentation/admin-guide/initrd.rst> for details.
1522 See <file:Documentation/admin-guide/bootconfig.rst> for details.
1532 out even when the "bootconfig" kernel-boot parameter is omitted.
1534 make the kernel ignore the BOOT_CONFIG-supplied kernel-boot
1592 Build KUnit tests for initramfs. See Documentation/dev-tools/kunit
1599 bool "Optimize for performance (-O2)"
1602 with the "-O2" compiler flag for best performance and most
1603 helpful compile-time warnings.
1606 bool "Optimize for size (-Os)"
1608 Choosing this option will pass "-Os" to your compiler resulting
1627 depends on $(cc-option,-ffunction-sections -fdata-sections)
1628 depends on $(ld-option,--gc-sections)
1631 the linker by compiling with -ffunction-sections -fdata-sections,
1632 and linking with --gc-sections.
1634 This can reduce on disk and in-memory size of the kernel
1644 depends on $(ld-option,--orphan-handling=warn)
1645 depends on $(ld-option,--orphan-handling=error)
1662 Enable support for /proc/sys/debug/exception-trace.
1667 Enable support for /proc/sys/kernel/ignore-unaligned-usertrap
1674 Enable support for /proc/sys/kernel/unaligned-trap
1694 # Unhide debug options, to make the on-by-default options visible
1699 environments which can tolerate a "non-standard" kernel.
1703 bool "Enable 16-bit UID system calls" if EXPERT
1707 This enables the legacy 16-bit UID syscall wrappers.
1713 This option enables support for non-root users, groups and
1805 bool "Enable PC-Speaker support" if EXPERT
1810 This option allows to disable the internal PC-Speaker
1814 bool "Enable smaller-sized data structures for core" if EXPERT
1828 run glibc-based applications correctly.
1947 the cost of user-space memory barriers asymmetrically by transforming
1957 user-space with the ability to compare two processes to see if they
1970 user-space cache for the current CPU number value, which
1971 speeds up getting the current CPU number from user-space,
1972 as well as an ABI to speed up user-space operations on
1973 per-CPU data.
1978 bool "Enable rseq-based time slice extension mechanism"
2051 Start self-test automatically after system startup. Suggest executing
2086 A 64-bit kernel is required for the memory sealing feature.
2101 Documentation/userspace-api/mseal.rst
2132 Software events are supported either built-in or via the
2138 suffered, or branches mis-predicted - without slowing down the
2140 when a threshold number of events have passed - and can thus be
2205 This allows other Rust-related options, like drivers written in Rust,
2225 default "$(shell,$(BINDGEN) --version 2>/dev/null)"
2294 # macros for not-implemented syscalls in kernel/sys_ni.c and
2295 # kernel/time/posix-stubs.c. All these overrides need to be available in