diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 68 |
1 files changed, 25 insertions, 43 deletions
diff --git a/init/Kconfig b/init/Kconfig index ea097e0a9c0..ba42f3793a8 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -105,7 +105,6 @@ config SWAP config SYSVIPC bool "System V IPC" - depends on MMU ---help--- Inter Process Communication is a suite of library functions and system calls which let processes (running programs) synchronize and @@ -190,40 +189,13 @@ config AUDIT config AUDITSYSCALL bool "Enable system-call auditing support" - depends on AUDIT && (X86 || PPC || PPC64 || ARCH_S390 || IA64 || UML || SPARC64) + depends on AUDIT && (X86 || PPC || PPC64 || S390 || IA64 || UML || SPARC64) default y if SECURITY_SELINUX help Enable low-overhead system-call auditing infrastructure that can be used independently or with another kernel subsystem, such as SELinux. -config HOTPLUG - bool "Support for hot-pluggable devices" if !ARCH_S390 - default ARCH_S390 - help - This option is provided for the case where no in-kernel-tree - modules require HOTPLUG functionality, but a module built - outside the kernel tree does. Such modules require Y here. - -config KOBJECT_UEVENT - bool "Kernel Userspace Events" - depends on NET - default y - help - This option enables the kernel userspace event layer, which is a - simple mechanism for kernel-to-user communication over a netlink - socket. - The goal of the kernel userspace events layer is to provide a simple - and efficient events system, that notifies userspace about kobject - state changes. This will enable applications to just listen for - events instead of polling system devices and files. - Hotplug events (kobject addition and removal) are also available on - the netlink socket in addition to the execution of /sbin/hotplug if - CONFIG_HOTPLUG is enabled. - - Say Y, unless you are building a system requiring minimal memory - consumption. - config IKCONFIG bool "Kernel .config support" ---help--- @@ -256,6 +228,19 @@ config CPUSETS source "usr/Kconfig" +config CC_OPTIMIZE_FOR_SIZE + bool "Optimize for size (Look out for broken compilers!)" + default y + depends on ARM || H8300 || EXPERIMENTAL + help + Enabling this option will pass "-Os" instead of "-O2" to gcc + resulting in a smaller kernel. + + WARNING: some versions of gcc may generate incorrect code with this + option. If problems are observed, a gcc upgrade may be needed. + + If unsure, say N. + menuconfig EMBEDDED bool "Configure standard kernel features (for small systems)" help @@ -295,6 +280,15 @@ config KALLSYMS_EXTRA_PASS you wait for kallsyms to be fixed. +config HOTPLUG + bool "Support for hot-pluggable devices" if EMBEDDED + default y + help + This option is provided for the case where no hotplug or uevent + capabilities is wanted by the kernel. You should only consider + disabling this option for embedded systems that do not use modules, a + dynamic /dev tree, or dynamic device discovery. Just say Y. + config PRINTK default y bool "Enable support for printk" if EMBEDDED @@ -338,18 +332,6 @@ config EPOLL Disabling this option will cause the kernel to be built without support for epoll family of system calls. -config CC_OPTIMIZE_FOR_SIZE - bool "Optimize for size" if EMBEDDED - default y if ARM || H8300 - help - Enabling this option will pass "-Os" instead of "-O2" to gcc - resulting in a smaller kernel. - - WARNING: some versions of gcc may generate incorrect code with this - option. If problems are observed, a gcc upgrade may be needed. - - If unsure, say N. - config SHMEM bool "Use full shmem filesystem" if EMBEDDED default y @@ -460,8 +442,8 @@ config OBSOLETE_MODPARM If unsure, say Y. config MODVERSIONS - bool "Module versioning support (EXPERIMENTAL)" - depends on MODULES && EXPERIMENTAL + bool "Module versioning support" + depends on MODULES help Usually, you have to use modules compiled with your kernel. Saying Y here makes it sometimes possible to use modules |