1 # SPDX-License-Identifier: GPL-2.0-only
2 config SYSFS
3 bool "sysfs file system support" if EX
4 default y
5 select KERNFS
6 help
7 The sysfs filesystem is a virtual file
8 export internal kernel objects, their
9 relationships to one another.
10
11 Users can use sysfs to ascertain usefu
12 kernel, such as the devices the kernel
13 which driver each is bound to. sysfs c
14 and other kernel subsystems.
15
16 Some system agents rely on the informa
17 /sbin/hotplug uses device and object a
18 delegating policy decisions, like pers
19
20 sysfs is currently used by the block s
21 partition. If sysfs is disabled you m
22 the kernel boot command line via its m
23 example, "root=03:01" for /dev/hda1.
24
25 Designers of embedded systems may wish
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