diff options
author | H. Peter Anvin <hpa@linux.intel.com> | 2009-01-30 14:50:57 -0800 |
---|---|---|
committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-01-30 14:50:57 -0800 |
commit | 9b7ed8faa034fc2d350e2eff5c68680eb5c43a07 (patch) | |
tree | 5c94c34ad30e312604c1ce4f08ab6631b64a94f5 /fs/sysfs/Kconfig | |
parent | 6522869c34664dd5f05a0a327e93915b1281c90d (diff) | |
parent | c43e0e46adf79c321ed3fbf0351e1005fb8a2413 (diff) |
Merge branch 'core/percpu' into x86/paravirt
Diffstat (limited to 'fs/sysfs/Kconfig')
-rw-r--r-- | fs/sysfs/Kconfig | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/sysfs/Kconfig b/fs/sysfs/Kconfig new file mode 100644 index 00000000000..f4b67588b9d --- /dev/null +++ b/fs/sysfs/Kconfig @@ -0,0 +1,23 @@ +config SYSFS + bool "sysfs file system support" if EMBEDDED + default y + help + The sysfs filesystem is a virtual filesystem that the kernel uses to + export internal kernel objects, their attributes, and their + relationships to one another. + + Users can use sysfs to ascertain useful information about the running + kernel, such as the devices the kernel has discovered on each bus and + which driver each is bound to. sysfs can also be used to tune devices + and other kernel subsystems. + + Some system agents rely on the information in sysfs to operate. + /sbin/hotplug uses device and object attributes in sysfs to assist in + delegating policy decisions, like persistently naming devices. + + sysfs is currently used by the block subsystem to mount the root + partition. If sysfs is disabled you must specify the boot device on + the kernel boot command line via its major and minor numbers. For + example, "root=03:01" for /dev/hda1. + + Designers of embedded systems may wish to say N here to conserve space. |