Lines Matching +full:per +full:- +full:module
1 # SPDX-License-Identifier: GPL-2.0-only
6 default "/lib/modules/$(shell,uname -r)/.config"
7 default "/etc/kernel-config"
8 default "/boot/config-$(shell,uname -r)"
17 - Re-run Kconfig when the compiler is updated
22 - Ensure full rebuild when the compier is updated
24 fixdep adds include/config/cc/version/text.h into the auto-generated
29 def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc)
33 default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
38 default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
41 def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q clang)
44 def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD)
48 default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
52 default $(shell,$(srctree)/scripts/lld-version.sh $(LD))
56 …default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLA…
57 …default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLA…
61 …efault $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAG…
62 …efault $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(USERCFLAGS) $(USERLDFLAG…
65 def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))
69 …nt x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)
73 # Detect buggy gcc and clang, fixed in gcc-11 clang-14.
74 …foo(int *x) { asm goto (".long (%l[bar]) - .": "+m"(*x) ::: bar); return *x; bar: return 0; }' | $…
77 …env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh)
80 def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)
128 drivers to compile-test them.
139 enables the '-Werror' flag to enforce that rule by default.
152 Compile test headers exported to user-space to ensure they are
153 self-contained, i.e. compilable as standalone units.
156 headers are self-contained, say Y here. Otherwise, choose N.
159 string "Local version - append to kernel release"
177 A string of the format -gxxxxxxxx will be added to the localversion
178 if a git-based tree is found. The string generated by this will be
185 $ git rev-parse --verify HEAD
227 The linux kernel is a kind of self-extracting executable.
277 filter (i386, x86_64, ARM, IA-64, PowerPC, and SPARC), XZ
296 LZ4 is an LZ77-type compressor with a fixed, byte-oriented encoding.
370 DOSEMU-HOWTO, available from <http://www.tldp.org/docs.html#howto>),
474 statistics about user, system and idle time spent on per jiffies
489 this also enables accounting of stolen time on logically-partitioned
502 kernel-user boundaries using the context tracking subsystem.
589 bool "Enable per-task delay accounting"
610 bool "Enable per-task storage I/O accounting"
643 per default but can be enabled through passing psi=1 on the
648 common scheduling-intense workloads in practice (such as
683 on-disk kernel. This information can be extracted from the kernel
684 image file with the script scripts/extract-ikconfig and used as
700 This option enables access to the in-kernel headers that are generated during
702 or similar programs. If you build the headers as a module, a module called
703 kheaders.ko is built which can be loaded on-demand to get access to headers.
762 int "Temporary per-CPU printk log buffer size (12 => 4KB, 13 => 8KB)"
767 Select the size of an alternate printk per-CPU buffer where messages
769 be NMI messages, another one - printk recursion. The messages are
823 the precision of clamping aggregation and tracking at run-time.
829 If a second 30% boosted task should be co-scheduled on the same CPU,
840 clamp buckets to trade off used memory for run-time tracking
848 # For architectures that want to enable the support for NUMA-affine scheduler
856 # are unmapped instead of sending one IPI per page to flush. The architecture
865 def_bool !$(cc-option,$(m64-flag) -D__SIZEOF_INT128__=0) && 64BIT
874 # all cpu-local but of different latencies, such as SuperH.
907 - Documentation/scheduler/sched-design-CFS.rst (CFS)
908 - Documentation/admin-guide/cgroup-v1/ (features for grouping, isolation
955 See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
985 See Documentation/scheduler/sched-bwc.rst for more information.
994 schedule realtime tasks for non-root users until you allocate
996 See Documentation/scheduler/sched-rt-group.rst for more information.
1001 bool "Utilization clamping per group of tasks"
1016 specified task-specific clamp value is constrained by the cgroup
1055 controller includes important in-kernel memory consumers per default.
1066 When you enable this, you can put a per cgroup limit on HugeTLB usage.
1107 This option extends the perf per-cpu mode to restrict monitoring
1189 user-space use the memory control groups to limit the amount
1287 bool "Kernel->user space relay support (formerly relayfs)"
1305 etc. See <file:Documentation/admin-guide/initrd.rst> for details.
1332 initcall_nr_threads=-1, auto selected the number of threads.
1342 See <file:Documentation/admin-guide/bootconfig.rst> for details.
1351 bool "Optimize for performance (-O2)"
1354 with the "-O2" compiler flag for best performance and most
1355 helpful compile-time warnings.
1358 bool "Optimize more for performance (-O3)"
1361 Choosing this option will pass "-O3" to your compiler to optimize
1365 bool "Optimize for size (-Os)"
1367 Choosing this option will pass "-Os" to your compiler resulting
1386 depends on $(cc-option,-ffunction-sections -fdata-sections)
1387 depends on $(ld-option,--gc-sections)
1390 the linker by compiling with -ffunction-sections -fdata-sections,
1391 and linking with --gc-sections.
1393 This can reduce on disk and in-memory size of the kernel
1404 depends on $(ld-option,--orphan-handling=warn)
1415 Enable support for /proc/sys/debug/exception-trace.
1420 Enable support for /proc/sys/kernel/ignore-unaligned-usertrap
1427 Enable support for /proc/sys/kernel/unaligned-trap
1441 # Unhide debug options, to make the on-by-default options visible
1446 environments which can tolerate a "non-standard" kernel.
1450 bool "Enable 16-bit UID system calls" if EXPERT
1454 This enables the legacy 16-bit UID syscall wrappers.
1460 This option enables support for non-root users, groups and
1555 bool "Enable PC-Speaker support" if EXPERT
1560 This option allows to disable the internal PC-Speaker
1565 bool "Enable full-sized data structures for core" if EXPERT
1578 run glibc-based applications correctly.
1681 the cost of user-space memory barriers asymmetrically by transforming
1723 emit the symbol references in the kallsyms table as 32-bit entries,
1730 On 64-bit builds, this reduces the size of the address table by 50%,
1804 user-space with the ability to compare two processes to see if they
1817 user-space cache for the current CPU number value, which
1818 speeds up getting the current CPU number from user-space,
1819 as well as an ABI to speed up user-space operations on
1820 per-CPU data.
1871 Software events are supported either built-in or via the
1877 suffered, or branches mis-predicted - without slowing down the
1879 when a threshold number of events have passed - and can thus be
1885 provides per task and per CPU counters, and it provides event
1936 cgroup is enabled, each cache can have per memory cgroup
1953 On non-ancient distros (post-2000 ones) N is usually a safe choice.
1967 per cpu and per node queues.
1975 Per cpu caching is realized using slabs of objects instead
2020 sanity-checking than others. This option is most effective with
2028 utilization of a direct-mapped memory-side-cache. See section
2031 the presence of a memory-side-cache. There are also incidental
2034 default granularity of shuffling on the "MAX_ORDER - 1" i.e,
2041 after runtime detection of a direct-mapped memory-side-cache.
2050 bool "SLUB per cpu partial cache"
2052 Per cpu partial caches accelerate objects allocation and freeing
2071 ELF-FDPIC binfmt's brk and stack allocator.
2075 userspace. Since that isn't generally a problem on no-MMU systems,
2078 See Documentation/admin-guide/mm/nommu-mmap.rst for more information.
2095 module verification, kexec image verification and firmware blob
2128 bool "Enable loadable module support"
2151 bool "Forced module loading"
2155 --force). Forced module loading sets the 'F' (forced) taint flag and
2159 bool "Module unloading"
2167 bool "Forced module unloading"
2170 This option allows you to force a module to unload, even if the
2171 kernel believes it is unsafe: the kernel will remove the module
2172 without waiting for anyone to stop using it (using the -f option to
2177 bool "Module versioning support"
2190 This enables module versioning for exported symbols also from
2204 see exactly which source was used to build a module (since
2205 others sometimes change the module source without updating
2213 This enables the module attribute "scmversion" which can be used
2214 by developers to identify the SCM version of a given module, e.g.
2218 since that causes the vermagic of the kernel and the module to
2224 bool "Module signature verification"
2228 is simply appended to the module. For more information see
2229 <file:Documentation/admin-guide/module-signing.rst>.
2237 another LSM - otherwise unsigned modules will be loadable regardless
2241 module DOES NOT get stripped after being signed. This includes the
2243 inclusion into an initramfs that wants the module size reduced.
2258 modules must be signed manually, using the scripts/sign-file tool.
2260 comment "Do not forget to sign required modules with scripts/sign-file"
2270 possible to load a signed module containing the algorithm to check
2271 the signature on that module.
2274 bool "Sign modules with SHA-1"
2278 bool "Sign modules with SHA-224"
2282 bool "Sign modules with SHA-256"
2286 bool "Sign modules with SHA-384"
2290 bool "Sign modules with SHA-512"
2311 module-init-tools MAY support gzip, and kmod MAY support gzip and xz.
2313 Out-of-tree kernel modules installed using Kbuild will also be
2345 a namespace. A module that makes use of a symbol exported with such a
2350 requirement and lifts the enforcement when loading a module.
2361 some external kernel module needs one of these symbols anyway. If you
2362 encounter such a case in your module, consider if you are actually
2364 this in a module, there is a pretty good chance it's actually the
2368 your module is.
2384 If unsure, or if you need to build out-of-tree modules, say N.
2390 By default, all unused exported symbols will be un-exported from the
2394 exported at all times, even in absence of in-tree users. The value to
2396 one per line. The path can be absolute, or relative to the kernel
2443 # macros for not-implemented syscalls in kernel/sys_ni.c and
2444 # kernel/time/posix-stubs.c. All these overrides need to be available in