[PATCH 064/196] kobject: convert /sys/hypervisor to use kobject_create

Greg Kroah-Hartman
2008-01-25T07:37:07Z

We don't need a kset here, a simple kobject will do just fine, so
dynamically create the kobject and use it.

We also rename hypervisor_subsys to hypervisor_kset to catch all users
of the variable.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
arch/s390/hypfs/inode.c | 2 +-
drivers/base/hypervisor.c | 12 ++++++++----
include/linux/kobject.h | 4 ++--
3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index c022ccc..b0ad479 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -506,7 +506,7 @@ static int __init hypfs_init(void)
goto fail_diag;
}
}
- s390_subsys.kobj.kset = &hypervisor_subsys;
+ s390_subsys.kobj.parent = hypervisor_kobj;
rc = subsystem_register(&s390_subsys);
if (rc)
goto fail_sysfs;
diff --git a/drivers/base/hypervisor.c b/drivers/base/hypervisor.c
index 14e75e9..6428cba 100644
--- a/drivers/base/hypervisor.c
+++ b/drivers/base/hypervisor.c
@@ -2,19 +2,23 @@
* hypervisor.c - /sys/hypervisor subsystem.
*
* Copyright (C) IBM Corp. 2006
+ * Copyright (C) 2007 Greg Kroah-Hartman <gregkh@suse.de>
+ * Copyright (C) 2007 Novell Inc.
*
* This file is released under the GPLv2
*/

#include <linux/kobject.h>
#include <linux/device.h>
-
#include "base.h"

-decl_subsys(hypervisor, NULL);
-EXPORT_SYMBOL_GPL(hypervisor_subsys);
+struct kobject *hypervisor_kobj;
+EXPORT_SYMBOL_GPL(hypervisor_kobj);

int __init hypervisor_init(void)
{
- return subsystem_register(&hypervisor_subsys);
+ hypervisor_kobj = kobject_create_and_add("hypervisor", NULL);
+ if (!hypervisor_kobj)
+ return -ENOMEM;
+ return 0;
}
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index bd741e8..f2483f6 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -196,8 +196,8 @@ struct kset _name##_subsys = { \

/* The global /sys/kernel/ kset for people to chain off of */
extern struct kset *kernel_kset;
-/* The global /sys/hypervisor/ subsystem */
-extern struct kset hypervisor_subsys;
+/* The global /sys/hypervisor/ kobject for people to chain off of */
+extern struct kobject *hypervisor_kobj;

extern int __must_check subsystem_register(struct kset *);
extern void subsystem_unregister(struct kset *);
--
1.5.3.8