diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/init/Kconfig b/init/Kconfig index d10a994c40f5..765018c24cf9 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -273,6 +273,16 @@ config FHANDLE get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2) syscalls. +config USELIB + bool "uselib syscall" + default y + help + This option enables the uselib syscall, a system call used in the + dynamic linker from libc5 and earlier. glibc does not use this + system call. If you intend to run programs built on libc5 or + earlier, you may need to enable this syscall. Current systems + running glibc can safely disable this. + config AUDIT bool "Auditing support" depends on NET @@ -535,7 +545,7 @@ config CONTEXT_TRACKING_FORCE dynticks subsystem by forcing the context tracking on all CPUs in the system. - Say Y only if you're working on the developpement of an + Say Y only if you're working on the development of an architecture backend for the context tracking. Say N otherwise, this option brings an overhead that you @@ -857,7 +867,7 @@ config NUMA_BALANCING menuconfig CGROUPS boolean "Control Group support" - depends on EVENTFD + select KERNFS help This option adds support for grouping sets of processes together, for use with process control subsystems such as Cpusets, CFS, memory @@ -924,6 +934,7 @@ config MEMCG bool "Memory Resource Controller for Control Groups" depends on RESOURCE_COUNTERS select MM_OWNER + select EVENTFD help Provides a memory resource controller that manages both anonymous memory and page cache. (See Documentation/cgroups/memory.txt) @@ -1119,8 +1130,6 @@ config IPC_NS config USER_NS bool "User namespace" - select UIDGID_STRICT_TYPE_CHECKS - default n help This allows containers, i.e. vservers, to use user namespaces @@ -1152,18 +1161,8 @@ config NET_NS endif # NAMESPACES -config UIDGID_STRICT_TYPE_CHECKS - bool "Require conversions between uid/gids and their internal representation" - default n - help - While the nececessary conversions are being added to all subsystems this option allows - the code to continue to build for unconverted subsystems. - - Say Y here if you want the strict type checking enabled - config SCHED_AUTOGROUP bool "Automatic process group scheduling" - select EVENTFD select CGROUPS select CGROUP_SCHED select FAIR_GROUP_SCHED @@ -1305,6 +1304,16 @@ config UID16 help This enables the legacy 16-bit UID syscall wrappers. +config SYSFS_SYSCALL + bool "Sysfs syscall support" if EXPERT + default y + ---help--- + sys_sysfs is an obsolete system call no longer supported in libc. + Note that disabling this option is more secure but might break + compatibility with some systems. + + If unsure say Y here. + config SYSCTL_SYSCALL bool "Sysctl syscall support" if EXPERT depends on PROC_SYSCTL @@ -1402,6 +1411,13 @@ config FUTEX support for "fast userspace mutexes". The resulting kernel may not run glibc-based applications correctly. +config HAVE_FUTEX_CMPXCHG + bool + help + Architectures should select this if futex_atomic_cmpxchg_inatomic() + is implemented and always working. This removes a couple of runtime + checks. + config EPOLL bool "Enable eventpoll support" if EXPERT default y @@ -1470,6 +1486,7 @@ config PCI_QUIRKS config EMBEDDED bool "Embedded system" + option allnoconfig_y select EXPERT help This option should be enabled if compiling the kernel for |