X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=init%2FKconfig;h=08350606e7bbc442aaea4d838472e861e9a3357c;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=6b5cca9ef08e729a4750ff9522bb27aca17972ee;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git
diff --git a/init/Kconfig b/init/Kconfig
index 6b5cca9ef..08350606e 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1,3 +1,12 @@
+config DEFCONFIG_LIST
+ string
+ depends on !UML
+ option defconfig_list
+ default "/lib/modules/$UNAME_RELEASE/.config"
+ default "/etc/kernel-config"
+ default "/boot/config-$UNAME_RELEASE"
+ default "arch/$ARCH/defconfig"
+
menu "Code maturity level options"
config EXPERIMENTAL
@@ -46,8 +55,8 @@ config LOCK_KERNEL
config INIT_ENV_ARG_LIMIT
int
- default 32 if !USERMODE
- default 128 if USERMODE
+ default 32 if !UML
+ default 128 if UML
help
Maximum of each of the number of arguments and environment
variables passed to init from the kernel command line.
@@ -150,21 +159,29 @@ config BSD_PROCESS_ACCT_V3
for processing it. A preliminary version of these tools is available
at .
-config SYSCTL
- bool "Sysctl support"
- ---help---
- The sysctl interface provides a means of dynamically changing
- certain kernel parameters and variables on the fly without requiring
- a recompile of the kernel or reboot of the system. The primary
- interface consists of a system call, but if you say Y to "/proc
- file system support", a tree of modifiable sysctl entries will be
- generated beneath the /proc/sys directory. They are explained in the
- files in . Note that enabling this
- option will enlarge the kernel by at least 8 KB.
+config TASKSTATS
+ bool "Export task/process statistics through netlink (EXPERIMENTAL)"
+ depends on NET
+ default n
+ help
+ Export selected statistics for tasks/processes through the
+ generic netlink interface. Unlike BSD process accounting, the
+ statistics are available during the lifetime of tasks/processes as
+ responses to commands. Like BSD accounting, they are sent to user
+ space on task exit.
- As it is generally a good thing, you should say Y here unless
- building a kernel for install/rescue disks or your system is very
- limited in memory.
+ Say N if unsure.
+
+config TASK_DELAY_ACCT
+ bool "Enable per-task delay accounting (EXPERIMENTAL)"
+ depends on TASKSTATS
+ help
+ Collect information on time spent by a task waiting for system
+ resources like cpu, synchronous block I/O completion and swapping
+ in pages. Such statistics can help in setting a task's priorities
+ relative to other tasks for cpu, io, rss limits etc.
+
+ Say N if unsure.
config AUDIT
bool "Auditing support"
@@ -182,7 +199,8 @@ config AUDITSYSCALL
help
Enable low-overhead system-call auditing infrastructure that
can be used independently or with another kernel subsystem,
- such as SELinux.
+ such as SELinux. To use audit's filesystem watch feature, please
+ ensure that INOTIFY is configured.
config IKCONFIG
bool "Kernel .config support"
@@ -227,23 +245,6 @@ config RELAY
source "usr/Kconfig"
-config UID16
- bool "Enable 16-bit UID system calls" if EMBEDDED
- depends on ARM || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION)
- default y
- help
- This enables the legacy 16-bit UID syscall wrappers.
-
-config VM86
- depends X86
- default y
- bool "Enable VM86 support" if EMBEDDED
- help
- This option is required by programs like DOSEMU to run 16-bit legacy
- code on X86 processors. It also may be needed by software like
- XFree86 to initialize some video cards via BIOS. Disabling this
- option saves about 6k.
-
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size (Look out for broken compilers!)"
default y
@@ -265,6 +266,30 @@ menuconfig EMBEDDED
environments which can tolerate a "non-standard" kernel.
Only use this if you really know what you are doing.
+config UID16
+ bool "Enable 16-bit UID system calls" if EMBEDDED
+ depends on ARM || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION)
+ default y
+ help
+ This enables the legacy 16-bit UID syscall wrappers.
+
+config SYSCTL
+ bool "Sysctl support" if EMBEDDED
+ default y
+ ---help---
+ The sysctl interface provides a means of dynamically changing
+ certain kernel parameters and variables on the fly without requiring
+ a recompile of the kernel or reboot of the system. The primary
+ interface consists of a system call, but if you say Y to "/proc
+ file system support", a tree of modifiable sysctl entries will be
+ generated beneath the /proc/sys directory. They are explained in the
+ files in . Note that enabling this
+ option will enlarge the kernel by at least 8 KB.
+
+ As it is generally a good thing, you should say Y here unless
+ building a kernel for install/rescue disks or your system is very
+ limited in memory.
+
config KALLSYMS
bool "Load all symbols for debugging/kksymoops" if EMBEDDED
default y
@@ -342,6 +367,7 @@ config BASE_FULL
config FUTEX
bool "Enable futex support" if EMBEDDED
default y
+ select RT_MUTEXES
help
Disabling this option will cause the kernel to be built without
support for "fast userspace mutexes". The resulting kernel may not
@@ -374,8 +400,21 @@ config SLAB
SLOB is more space efficient but does not scale well and is
more susceptible to fragmentation.
+config VM_EVENT_COUNTERS
+ default y
+ bool "Enable VM event counters for /proc/vmstat" if EMBEDDED
+ help
+ VM event counters are only needed to for event counts to be
+ shown. They have no function for the kernel itself. This
+ option allows the disabling of the VM event counters.
+ /proc/vmstat will only show page counts.
+
endmenu # General setup
+config RT_MUTEXES
+ boolean
+ select PLIST
+
config TINY_SHMEM
default !SHMEM
bool
@@ -389,9 +428,6 @@ config SLOB
default !SLAB
bool
-config OBSOLETE_INTERMODULE
- tristate
-
menu "Loadable module support"
config MODULES
@@ -492,6 +528,35 @@ config STOP_MACHINE
Need stop_machine() primitive.
endmenu
+menu "Process debugging support"
+
+config UTRACE
+ bool "Infrastructure for tracing and debugging user processes"
+ default y
+ help
+ Enable the utrace process tracing interface.
+ This is an internal kernel interface to track events in user
+ threads, extract and change user thread state. This interface
+ is exported to kernel modules, and is also used to implement ptrace.
+ If you disable this, no facilities for debugging user processes
+ will be available, nor the facilities used by UML and other
+ applications. Unless you are making a specially stripped-down
+ kernel and are very sure you don't need these facilitiies,
+ say Y.
+
+config PTRACE
+ bool "Legacy ptrace system call interface"
+ default y
+ depends on UTRACE
+ help
+ Enable the ptrace system call.
+ This is traditionally used by debuggers like GDB,
+ and is used by UML and some other applications.
+ Unless you are very sure you won't run anything that needs it,
+ say Y.
+
+endmenu
+
menu "Block layer"
source "block/Kconfig"
endmenu