X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=init%2FKconfig;fp=init%2FKconfig;h=38416a199def24332f22692e9da1203a962a8d58;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=0295b869b86e007e0ee16b02da6c466e337f00f3;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git
diff --git a/init/Kconfig b/init/Kconfig
index 0295b869b..38416a199 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1,12 +1,3 @@
-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
@@ -55,8 +46,8 @@ config LOCK_KERNEL
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.
@@ -159,29 +150,21 @@ config BSD_PROCESS_ACCT_V3
for processing it. A preliminary version of these tools is available
at .
-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 . 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"
@@ -199,8 +182,7 @@ config AUDITSYSCALL
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"
@@ -232,18 +214,24 @@ config CPUSETS
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!)"
@@ -266,30 +254,6 @@ 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
@@ -367,7 +331,6 @@ 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
@@ -391,6 +354,43 @@ config SHMEM
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
@@ -400,21 +400,8 @@ 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
@@ -428,6 +415,9 @@ config SLOB
default !SLAB
bool
+config OBSOLETE_INTERMODULE
+ tristate
+
menu "Loadable module support"
config MODULES
@@ -469,6 +459,15 @@ config MODULE_FORCE_UNLOAD
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
@@ -492,22 +491,6 @@ config MODULE_SRCVERSION_ALL
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