diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 77 |
1 files changed, 32 insertions, 45 deletions
diff --git a/init/Kconfig b/init/Kconfig index 66cef5eac275..2c9cbd8e368c 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -19,37 +19,43 @@ config CC_VERSION_TEXT CC_VERSION_TEXT so it is recorded in include/config/auto.conf.cmd. When the compiler is updated, Kconfig will be invoked. - - Ensure full rebuild when the compier is updated + - Ensure full rebuild when the compiler is updated include/linux/kconfig.h contains this option in the comment line so fixdep adds include/config/cc/version/text.h into the auto-generated dependency. When the compiler is updated, syncconfig will touch it and then every file will be rebuilt. config CC_IS_GCC - def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc) + def_bool $(success,test "$(cc-name)" = GCC) config GCC_VERSION int - default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC + default $(cc-version) if CC_IS_GCC default 0 -config LD_VERSION - int - default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh) - config CC_IS_CLANG - def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q clang) - -config LD_IS_LLD - def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD) + def_bool $(success,test "$(cc-name)" = Clang) config CLANG_VERSION int - default $(shell,$(srctree)/scripts/clang-version.sh $(CC)) + default $(cc-version) if CC_IS_CLANG + default 0 + +config LD_IS_BFD + def_bool $(success,test "$(ld-name)" = BFD) + +config LD_VERSION + int + default $(ld-version) if LD_IS_BFD + default 0 + +config LD_IS_LLD + def_bool $(success,test "$(ld-name)" = LLD) config LLD_VERSION int - default $(shell,$(srctree)/scripts/lld-version.sh $(LD)) + default $(ld-version) if LD_IS_LLD + default 0 config CC_CAN_LINK bool @@ -1193,6 +1199,7 @@ endif # NAMESPACES config CHECKPOINT_RESTORE bool "Checkpoint/restore support" select PROC_CHILDREN + select KCMP default n help Enables additional kernel features in a sake of checkpoint/restore. @@ -1737,6 +1744,16 @@ config ARCH_HAS_MEMBARRIER_CALLBACKS config ARCH_HAS_MEMBARRIER_SYNC_CORE bool +config KCMP + bool "Enable kcmp() system call" if EXPERT + help + Enable the kernel resource comparison system call. It provides + user-space with the ability to compare two processes to see if they + share a common resource, such as a file descriptor or even virtual + memory space. + + If unsure, say N. + config RSEQ bool "Enable rseq() system call" if EXPERT default y @@ -1851,20 +1868,6 @@ config SLUB_DEBUG SLUB sysfs support. /sys/slab will not exist and there will be no support for cache validation etc. -config SLUB_MEMCG_SYSFS_ON - default n - bool "Enable memcg SLUB sysfs support by default" if EXPERT - depends on SLUB && SYSFS && MEMCG - help - SLUB creates a directory under /sys/kernel/slab for each - allocation cache to host info and debug files. If memory - cgroup is enabled, each cache can have per memory cgroup - caches. SLUB can create the same sysfs directories for these - caches under /sys/kernel/slab/CACHE/cgroup but it can lead - to a very high number of debug files being created. This is - controlled by slub_memcg_sysfs boot parameter and this - config option determines the parameter's default value. - config COMPAT_BRK bool "Disable heap randomization" default y @@ -2262,25 +2265,9 @@ config MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS If unsure, say N. -config UNUSED_SYMBOLS - bool "Enable unused/obsolete exported symbols" - default y if X86 - help - Unused but exported symbols make the kernel needlessly bigger. For - that reason most of these unused exports will soon be removed. This - option is provided temporarily to provide a transition period in case - some external kernel module needs one of these symbols anyway. If you - encounter such a case in your module, consider if you are actually - using the right API. (rationale: since nobody in the kernel is using - this in a module, there is a pretty good chance it's actually the - wrong interface to use). If you really need the symbol, please send a - mail to the linux kernel mailing list mentioning the symbol and why - you really need it, and what the merge plan to the mainline kernel for - your module is. - config TRIM_UNUSED_KSYMS - bool "Trim unused exported kernel symbols" - depends on !UNUSED_SYMBOLS + bool "Trim unused exported kernel symbols" if EXPERT + depends on !COMPILE_TEST help The kernel and some modules make many symbols available for other modules to use via EXPORT_SYMBOL() and variants. Depending |