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kobject: Make support for uevent_helper optional.

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Support for uevent_helper, aka hotplug, is not required on many systems
these days but it can still be enabled via sysfs or sysctl.

Reported-by: Darren Shepherd <darren.s.shepherd@gmail.com>
Signed-off-by: Michael Marineau <mike@marineau.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Marineau
2014-04-10 14:09:31 -07:00
committed by Greg Kroah-Hartman
parent d911d98748
commit 86d56134f1
5 changed files with 25 additions and 9 deletions
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2
include/linux/kobject.h
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@@ -32,8 +32,10 @@
#define UEVENT_NUM_ENVP 32 /* number of env pointers */
#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
#ifdef CONFIG_UEVENT_HELPER
/* path to the userspace helper executed on an event */
extern char uevent_helper[];
#endif
/* counter to tag the uevent, read only except for the kobject core */
extern u64 uevent_seqnum;