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author | Alexey Dobriyan <adobriyan@gmail.com> | 2009-01-22 10:40:58 +0300 |
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committer | Alexey Dobriyan <adobriyan@gmail.com> | 2009-01-22 13:15:56 +0300 |
commit | 5f3a211a8b02222498f134ea961fe29c97a4801f (patch) | |
tree | fce8ac0bdaebf3f9d62711d1c52369fa44ee911a /fs/sysfs | |
parent | 9d73ac9e8faffa3b930fcebbf4ebcd25f8061ada (diff) | |
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fs/Kconfig: move sysfs out
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Diffstat (limited to 'fs/sysfs')
-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 0000000..f4b6758 --- /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. |