driver core: add more help description for "path to uevent helper"
The kernel configuration UEVENT_HELPER_PATH is a string to
the uevent helper program. Add more description about how
to disable this feature and how to enable it again during
runtime.
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 52c6758..fa64fa0 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -16,6 +16,11 @@
that it creates a high system load, or on smaller systems
it is known to create out-of-memory situations during bootup.
+ To disable user space helper program execution at early boot
+ time specify an empty string here. This setting can be altered
+ via /proc/sys/kernel/hotplug or via /sys/kernel/uevent_helper
+ later at runtime.
+
config DEVTMPFS
bool "Maintain a devtmpfs filesystem to mount at /dev"
depends on HOTPLUG