If unsure, say Y
-config STANDALONE
- bool "Select only drivers that don't need compile-time external firmware" if EXPERIMENTAL
- default y
- help
- Select this option if you don't have magic firmware for drivers that
- need it.
-
- If unsure, say Y.
-
config BROKEN
bool
depends on !CLEAN_COMPILE
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
you want to run the DOS emulator dosemu under Linux (read the
DOSEMU-HOWTO, available from <http://www.tldp.org/docs.html#howto>),
you'll need to say Y here.
+ DOSEMU-HOWTO, available from <http://www.tldp.org/docs.html#howto>),
+ you'll need to say Y here.
You can find documentation about IPC with "info ipc" and also in
section 6.4 of the Linux Programmer's Guide, available from
up to the user level program to do useful things with this
information. This is generally a good idea, so say Y.
+config BSD_PROCESS_ACCT_V3
+ bool "BSD Process Accounting version 3 file format"
+ depends on BSD_PROCESS_ACCT
+ default n
+ help
+ If you say Y here, the process accounting information is written
+ in a new file format that also logs the process IDs of each
+ process and it's parent. Note that this file format is incompatible
+ with previous v0/v1/v2 file formats, so you will need updated tools
+ for processing it. A preliminary version of these tools is available
+ at <http://http://www.de.kernel.org/pub/linux/utils/acct/>.
+
+menu "Class Based Kernel Resource Management"
+
+config CKRM
+ bool "Class Based Kernel Resource Management Core"
+ depends on EXPERIMENTAL
+ help
+ Class-based Kernel Resource Management is a framework for controlling
+ and monitoring resource allocation of user-defined groups of tasks or
+ incoming socket connections. For more information, please visit
+ http://ckrm.sf.net.
+
+ If you say Y here, enable the Resource Class File System and atleast
+ one of the resource controllers below. Say N if you are unsure.
+
+config RCFS_FS
+ tristate "Resource Class File System (User API)"
+ depends on CKRM
+ help
+ RCFS is the filesystem API for CKRM. This separate configuration
+ option is provided only for debugging and will eventually disappear
+ since rcfs will be automounted whenever CKRM is configured.
+
+ Say N if unsure, Y if you've enabled CKRM, M to debug rcfs
+ initialization.
+
+config CKRM_TYPE_TASKCLASS
+ bool "Class Manager for Task Groups"
+ depends on CKRM
+ help
+ TASKCLASS provides the extensions for CKRM to track task classes
+ This is the base to enable task class based resource control for
+ cpu, memory and disk I/O.
+
+ Say N if unsure
+
+config CKRM_RES_NUMTASKS
+ tristate "Number of Tasks Resource Manager"
+ depends on CKRM_TYPE_TASKCLASS
+ default m
+ help
+ Provides a Resource Controller for CKRM that allows limiting no of
+ tasks a task class can have.
+
+ Say N if unsure, Y to use the feature.
+
+config CKRM_CPU_SCHEDULE
+ bool "CKRM CPU scheduler"
+ depends on CKRM_TYPE_TASKCLASS
+ default y
+ help
+ Use CKRM CPU scheduler instead of Linux Scheduler
+
+ Say N if unsure, Y to use the feature.
+
+config CKRM_RES_BLKIO
+ tristate " Disk I/O Resource Controller"
+ depends on CKRM_TYPE_TASKCLASS && IOSCHED_CFQ
+ default m
+ help
+ Provides a resource controller for best-effort block I/O
+ bandwidth control. The controller attempts this by proportional
+ servicing of requests in the I/O scheduler. However, seek
+ optimizations and reordering by device drivers/disk controllers may
+ alter the actual bandwidth delivered to a class.
+
+ Say N if unsure, Y to use the feature.
+
+config CKRM_RES_MEM
+ bool "Class based physical memory controller"
+ default y
+ depends on CKRM
+ help
+ Provide the basic support for collecting physical memory usage information
+ among classes. Say Y if you want to know the memory usage of each class.
+
+config CKRM_MEM_LRUORDER_CHANGE
+ bool "Change the LRU ordering of scanned pages"
+ default n
+ depends on CKRM_RES_MEM
+ help
+ While trying to free pages, by default(n), scanned pages are left were they
+ are found if they belong to relatively under-used class. In this case the
+ LRU ordering of the memory subsystemis left intact. If this option is chosen,
+ then the scanned pages are moved to the tail of the list(active or inactive).
+ Changing this to yes reduces the checking overhead but violates the approximate
+ LRU order that is maintained by the paging subsystem.
+
+config CKRM_CPU_SCHEDULE_AT_BOOT
+ bool "Turn on at boot time"
+ depends on CKRM_CPU_SCHEDULE
+ default n
+ help
+ Enable CKRM CPU Scheduler at boot time. Otherwise
+ it can be turned on dynamically at runtime. If not
+ turned on the default Linux Scheduler behavior
+ will be obtained.
+
+ Say N if unsure, Y to use this feature
+
+config CKRM_TYPE_SOCKETCLASS
+ bool "Class Manager for socket groups"
+ depends on CKRM
+ help
+ SOCKET provides the extensions for CKRM to track per socket
+ classes. This is the base to enable socket based resource
+ control for inbound connection control, bandwidth control etc.
+
+ Say N if unsure.
+
+config CKRM_RES_LISTENAQ
+ tristate "Multiple Accept Queues Resource Manager"
+ depends on CKRM_TYPE_SOCKETCLASS && ACCEPT_QUEUES
+ default m
+ help
+ Provides a resource controller for CKRM to prioritize inbound
+ connection requests. See inbound control description for
+ "IP: TCP Multiple accept queues support". If you choose that
+ option choose this option to control the queue weights.
+
+ If unsure, say N.
+
+config CKRM_RBCE
+ tristate "Vanilla Rule-based Classification Engine (RBCE)"
+ depends on CKRM && RCFS_FS
+ default m
+ help
+ Provides an optional module to support creation of rules for automatic
+ classification of kernel objects. Rules are created/deleted/modified
+ through an rcfs interface. RBCE is not required for CKRM.
+
+ If unsure, say N.
+
+config CKRM_CRBCE
+ tristate "Enhanced Rule-based Classification Engine (RBCE)"
+ depends on CKRM && RCFS_FS && RELAYFS_FS && DELAY_ACCT
+ default m
+ help
+ Provides an optional module to support creation of rules for automatic
+ classification of kernel objects, just like RBCE above. In addition,
+ CRBCE provides per-process delay data (requires DELAY_ACCT configured)
+ enabled) and makes information on significant kernel events available
+ to userspace tools through relayfs (requires RELAYFS_FS configured).
+
+ If unsure, say N.
+
+endmenu
+
config SYSCTL
bool "Sysctl support"
---help---
config AUDITSYSCALL
bool "Enable system-call auditing support"
- depends on AUDIT && (X86 || PPC64 || ARCH_S390)
+ depends on AUDIT && (X86 || PPC64 || ARCH_S390 || IA64)
default y if SECURITY_SELINUX
default n
help
bool "Kernel .config support"
---help---
This option enables the complete Linux kernel ".config" file
- contents, information on compiler used to build the kernel,
- kernel running when this kernel was built and kernel version
- from Makefile to be saved in the kernel. It provides documentation
+ contents to be saved in the kernel. It provides documentation
of which kernel options are used in a running kernel or in an
on-disk kernel. This information can be extracted from the kernel
image file with the script scripts/extract-ikconfig and used as
input to rebuild the current kernel or to build another kernel.
It can also be extracted from a running kernel by reading
- /proc/config.gz and /proc/config_built_with, if enabled (below).
- /proc/config.gz will list the configuration that was used
- to build the kernel and /proc/config_built_with will list
- information on the compiler and host machine that was used to
- build the kernel.
+ /proc/config.gz if enabled (below).
config IKCONFIG_PROC
bool "Enable access to .config through /proc/config.gz"
depends on IKCONFIG && PROC_FS
---help---
- This option enables access to kernel configuration file and build
- information through /proc/config.gz.
+ This option enables access to the kernel configuration file
+ through /proc/config.gz.
+config OOM_PANIC
+ bool "OOM Panic"
+ default y
+ ---help---
+ This option enables panic() to be called when a system is out of
+ memory. This feature along with /proc/sys/kernel/panic allows a
+ different behavior on out-of-memory conditions when the standard
+ behavior (killing processes in an attempt to recover) does not
+ make sense.
+
+ If unsure, say N.
+
+config OOM_KILL
+ bool
+ depends on !OOM_PANIC
+ default y
menuconfig EMBEDDED
bool "Configure standard kernel features (for small systems)"
environments which can tolerate a "non-standard" kernel.
Only use this if you really know what you are doing.
+config DELAY_ACCT
+ bool "Enable delay accounting (EXPERIMENTAL)"
+ help
+ In addition to counting frequency the total delay in ns is also
+ recorded. CPU delays are specified as cpu-wait and cpu-run.
+ I/O delays are recorded for memory and regular I/O.
+ Information is accessible through /proc/<pid>/delay.
+
+
config KALLSYMS
bool "Load all symbols for debugging/kksymoops" if EMBEDDED
default y
Say N.
+config KALLSYMS_EXTRA_PASS
+ bool "Do an extra kallsyms pass"
+ depends on KALLSYMS
+ help
+ If kallsyms is not working correctly, the build will fail with
+ inconsistent kallsyms data. If that occurs, log a bug report and
+ turn on KALLSYMS_EXTRA_PASS which should result in a stable build.
+ Always say N here unless you find a bug in kallsyms, which must be
+ reported. KALLSYMS_EXTRA_PASS is only a temporary workaround while
+ you wait for kallsyms to be fixed.
+
config FUTEX
bool "Enable futex support" if EMBEDDED
default y
source "drivers/block/Kconfig.iosched"
config CC_OPTIMIZE_FOR_SIZE
- bool "Optimize for size" if EMBEDDED
+ bool "Optimize for size"
default y if ARM || H8300
default n
help
make them incompatible with the kernel you are running. If
unsure, say N.
+config MODULE_SIG
+ bool "Module signature verification (EXPERIMENTAL)"
+ depends on MODULES && EXPERIMENTAL
+ 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