-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
config INIT_ENV_ARG_LIMIT
int
- default 32 if !UML
- default 128 if UML
+ default 32 if !USERMODE
+ default 128 if USERMODE
help
Maximum of each of the number of arguments and environment
variables passed to init from the kernel command line.
for processing it. A preliminary version of these tools is available
at <http://www.physik3.uni-rostock.de/tim/kernel/utils/acct/>.
-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.
-
- 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.
+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 <file:Documentation/sysctl/>. Note that enabling this
+ option will enlarge the kernel by at least 8 KB.
- Say N if unsure.
+ 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 AUDIT
bool "Auditing support"
help
Enable low-overhead system-call auditing infrastructure that
can be used independently or with another kernel subsystem,
- such as SELinux. To use audit's filesystem watch feature, please
- ensure that INOTIFY is configured.
+ such as SELinux.
config IKCONFIG
bool "Kernel .config support"
Say N if unsure.
-config RELAY
- bool "Kernel->user space relay support (formerly relayfs)"
- help
- This option enables support for relay interface support in
- certain file systems (such as debugfs).
- It is designed to provide an efficient mechanism for tools and
- facilities to relay large amounts of data from kernel space to
- user space.
+source "usr/Kconfig"
- If unsure, say N.
+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.
-source "usr/Kconfig"
+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!)"
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 <file:Documentation/sysctl/>. 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
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
option replaces shmem and tmpfs with the much simpler ramfs code,
which may be appropriate on small systems without swap.
+config CC_ALIGN_FUNCTIONS
+ int "Function alignment" if EMBEDDED
+ default 0
+ help
+ Align the start of functions to the next power-of-two greater than n,
+ skipping up to n bytes. For instance, 32 aligns functions
+ to the next 32-byte boundary, but 24 would align to the next
+ 32-byte boundary only if this can be done by skipping 23 bytes or less.
+ Zero means use compiler's default.
+
+config CC_ALIGN_LABELS
+ int "Label alignment" if EMBEDDED
+ default 0
+ help
+ Align all branch targets to a power-of-two boundary, skipping
+ up to n bytes like ALIGN_FUNCTIONS. This option can easily
+ make code slower, because it must insert dummy operations for
+ when the branch target is reached in the usual flow of the code.
+ Zero means use compiler's default.
+
+config CC_ALIGN_LOOPS
+ int "Loop alignment" if EMBEDDED
+ default 0
+ help
+ Align loops to a power-of-two boundary, skipping up to n bytes.
+ Zero means use compiler's default.
+
+config CC_ALIGN_JUMPS
+ int "Jump alignment" if EMBEDDED
+ default 0
+ help
+ Align branch targets to a power-of-two boundary, for branch
+ targets where the targets can only be reached by jumping,
+ skipping up to n bytes like ALIGN_FUNCTIONS. In this case,
+ no dummy operations need be executed.
+ Zero means use compiler's default.
+
config SLAB
default y
bool "Use full SLAB allocator" if EMBEDDED
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
default !SLAB
bool
+config OBSOLETE_INTERMODULE
+ tristate
+
menu "Loadable module support"
config MODULES
rmmod). This is mainly for kernel developers and desperate users.
If unsure, say N.
+config OBSOLETE_MODPARM
+ bool
+ default y
+ depends on MODULES
+ help
+ You need this option to use module parameters on modules which
+ have not been converted to the new module parameter system yet.
+ If unsure, say Y.
+
config MODVERSIONS
bool "Module versioning support"
depends on MODULES
the version). With this option, such a "srcversion" field
will be created for all modules. If unsure, say N.
-config MODULE_SIG
- bool "Module signature verification (EXPERIMENTAL)"
- depends on MODULES && EXPERIMENTAL
- select CRYPTO
- select CRYPTO_SHA1
- select CRYPTO_SIGNATURE
- help
- Check modules for valid signatures upon load.
-
-config MODULE_SIG_FORCE
- bool "Required modules to be validly signed (EXPERIMENTAL)"
- depends on MODULE_SIG
- help
- Reject unsigned modules or signed modules for which we don't have a
- key.
-
config KMOD
bool "Automatic kernel module loading"
depends on MODULES
git://git.onelab.eu / linux-2.6.git / blobdiff