Commit 0296b228 authored by Kay Sievers's avatar Kay Sievers Committed by Greg Kroah-Hartman
Browse files

[PATCH] remove CONFIG_KOBJECT_UEVENT option 



It makes zero sense to have hotplug, but not the netlink
events enabled today. Remove this option and merge the
kobject_uevent.h header into the kobject.h header file.

Signed-off-by: default avatarKay Sievers <kay.sievers@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 03438211

MAINTAINERS

+0 −6
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@@ -1476,12 +1476,6 @@ W: http://nfs.sourceforge.net/ 
W:	http://www.cse.unsw.edu.au/~neilb/patches/linux-devel/

S:	Maintained



KERNEL EVENT LAYER (KOBJECT_UEVENT)

P:	Robert Love

M:	rml@novell.com

L:	linux-kernel@vger.kernel.org

S:	Maintained



KEXEC

P:	Eric Biederman

P:	Randy Dunlap

drivers/input/input.c

+0 −1
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@@ -18,7 +18,6 @@ 
#include <linux/random.h>

#include <linux/major.h>

#include <linux/proc_fs.h>

#include <linux/kobject_uevent.h>

#include <linux/interrupt.h>

#include <linux/poll.h>

#include <linux/device.h>

drivers/s390/crypto/z90main.c

+0 −1
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@@ -34,7 +34,6 @@ 
#include <linux/miscdevice.h>

#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/kobject_uevent.h>

#include <linux/proc_fs.h>

#include <linux/syscalls.h>

#include "z90crypt.h"

include/linux/kobject.h

+34 −1
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@@ -23,15 +23,31 @@ 
#include <linux/spinlock.h>

#include <linux/rwsem.h>

#include <linux/kref.h>

#include <linux/kobject_uevent.h>

#include <linux/kernel.h>

#include <asm/atomic.h>



#define KOBJ_NAME_LEN	20



#define HOTPLUG_PATH_LEN	256



/* path to the userspace helper executed on an event */

extern char hotplug_path[];



/* counter to tag the hotplug event, read only except for the kobject core */

extern u64 hotplug_seqnum;



/* the actions here must match the proper string in lib/kobject_uevent.c */

typedef int __bitwise kobject_action_t;

enum kobject_action {

	KOBJ_ADD	= (__force kobject_action_t) 0x01,	/* add event, for hotplug */

	KOBJ_REMOVE	= (__force kobject_action_t) 0x02,	/* remove event, for hotplug */

	KOBJ_CHANGE	= (__force kobject_action_t) 0x03,	/* a sysfs attribute file has changed */

	KOBJ_MOUNT	= (__force kobject_action_t) 0x04,	/* mount event for block devices */

	KOBJ_UMOUNT	= (__force kobject_action_t) 0x05,	/* umount event for block devices */

	KOBJ_OFFLINE	= (__force kobject_action_t) 0x06,	/* offline event for hotplug devices */

	KOBJ_ONLINE	= (__force kobject_action_t) 0x07,	/* online event for hotplug devices */

};



struct kobject {

	const char		* k_name;

	char			name[KOBJ_NAME_LEN];
@@ -243,16 +259,33 @@ extern void subsys_remove_file(struct subsystem * , struct subsys_attribute *); 


#ifdef CONFIG_HOTPLUG

void kobject_hotplug(struct kobject *kobj, enum kobject_action action);



int add_hotplug_env_var(char **envp, int num_envp, int *cur_index,

			char *buffer, int buffer_size, int *cur_len,

			const char *format, ...)

	__attribute__((format (printf, 7, 8)));



int kobject_uevent(struct kobject *kobj,

		   enum kobject_action action,

		   struct attribute *attr);

int kobject_uevent_atomic(struct kobject *kobj,

			  enum kobject_action action,

			  struct attribute *attr);



#else

static inline void kobject_hotplug(struct kobject *kobj, enum kobject_action action) { }

static inline int add_hotplug_env_var(char **envp, int num_envp, int *cur_index, 

				      char *buffer, int buffer_size, int *cur_len, 

				      const char *format, ...)

{ return 0; }

int kobject_uevent(struct kobject *kobj,

		   enum kobject_action action,

		   struct attribute *attr)

{ return 0; }

int kobject_uevent_atomic(struct kobject *kobj,

			  enum kobject_action action,

			  struct attribute *attr)

{ return 0; }

#endif



#endif /* __KERNEL__ */

include/linux/kobject_uevent.h

deleted100644 → 0
+0 −57
Original line number Diff line number Diff line 
/*

 * kobject_uevent.h - list of kobject user events that can be generated

 *

 * Copyright (C) 2004 IBM Corp.

 * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>

 *

 * This file is released under the GPLv2.

 *

 */



#ifndef _KOBJECT_EVENT_H_

#define _KOBJECT_EVENT_H_



#define HOTPLUG_PATH_LEN	256



/* path to the hotplug userspace helper executed on an event */

extern char hotplug_path[];



/*

 * If you add an action here, you must also add the proper string to the

 * lib/kobject_uevent.c file.

 */

typedef int __bitwise kobject_action_t;

enum kobject_action {

	KOBJ_ADD	= (__force kobject_action_t) 0x01,	/* add event, for hotplug */

	KOBJ_REMOVE	= (__force kobject_action_t) 0x02,	/* remove event, for hotplug */

	KOBJ_CHANGE	= (__force kobject_action_t) 0x03,	/* a sysfs attribute file has changed */

	KOBJ_MOUNT	= (__force kobject_action_t) 0x04,	/* mount event for block devices */

	KOBJ_UMOUNT	= (__force kobject_action_t) 0x05,	/* umount event for block devices */

	KOBJ_OFFLINE	= (__force kobject_action_t) 0x06,	/* offline event for hotplug devices */

	KOBJ_ONLINE	= (__force kobject_action_t) 0x07,	/* online event for hotplug devices */

};





#ifdef CONFIG_KOBJECT_UEVENT

int kobject_uevent(struct kobject *kobj,

		   enum kobject_action action,

		   struct attribute *attr);

int kobject_uevent_atomic(struct kobject *kobj,

			  enum kobject_action action,

			  struct attribute *attr);

#else

static inline int kobject_uevent(struct kobject *kobj,

				 enum kobject_action action,

				 struct attribute *attr)

{

	return 0;

}

static inline int kobject_uevent_atomic(struct kobject *kobj,

				        enum kobject_action action,

					struct attribute *attr)

{

	return 0;

}

#endif



#endif

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