From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20061024163816.460479000@arndb.de> References: <20061024163113.694643000@arndb.de> Date: Tue, 24 Oct 2006 18:31:24 +0200 From: arnd@arndb.de To: cbe-oss-dev@ozlabs.org, linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, paulus@samba.org Subject: [PATCH 11/16] sysfs: add support for adding/removing spu sysfs attributes List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Christian Krafft This patch adds two functions to create and remove sysfs attributes and attribute_group to all cpus. That allows to register sysfs attributes in a subdirectory like: /sys/devices/system/cpu/cpuX/group_name/what_ever This will be used by cbe_thermal to group all attributes dealing with thermal support in one directory. Signed-of-by: Christian Krafft Index: linux-2.6/arch/powerpc/kernel/sysfs.c =================================================================== --- linux-2.6.orig/arch/powerpc/kernel/sysfs.c +++ linux-2.6/arch/powerpc/kernel/sysfs.c @@ -299,6 +299,72 @@ static struct notifier_block __cpuinitda .notifier_call = sysfs_cpu_notify, }; +static DEFINE_MUTEX(cpu_mutex); + +int cpu_add_sysdev_attr(struct sysdev_attribute *attr) +{ + int cpu; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev_create_file(get_cpu_sysdev(cpu), attr); + } + + mutex_unlock(&cpu_mutex); + return 0; +} +EXPORT_SYMBOL_GPL(cpu_add_sysdev_attr); + +int cpu_add_sysdev_attr_group(struct attribute_group *attrs) +{ + int cpu; + struct sys_device *sysdev; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev = get_cpu_sysdev(cpu); + sysfs_create_group(&sysdev->kobj, attrs); + } + + mutex_unlock(&cpu_mutex); + return 0; +} +EXPORT_SYMBOL_GPL(cpu_add_sysdev_attr_group); + + +void cpu_remove_sysdev_attr(struct sysdev_attribute *attr) +{ + int cpu; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev_remove_file(get_cpu_sysdev(cpu), attr); + } + + mutex_unlock(&cpu_mutex); +} +EXPORT_SYMBOL_GPL(cpu_remove_sysdev_attr); + +void cpu_remove_sysdev_attr_group(struct attribute_group *attrs) +{ + int cpu; + struct sys_device *sysdev; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev = get_cpu_sysdev(cpu); + sysfs_remove_group(&sysdev->kobj, attrs); + } + + mutex_unlock(&cpu_mutex); +} +EXPORT_SYMBOL_GPL(cpu_remove_sysdev_attr_group); + + /* NUMA stuff */ #ifdef CONFIG_NUMA Index: linux-2.6/include/linux/cpu.h =================================================================== --- linux-2.6.orig/include/linux/cpu.h +++ linux-2.6/include/linux/cpu.h @@ -33,6 +33,14 @@ struct cpu { extern int register_cpu(struct cpu *cpu, int num); extern struct sys_device *get_cpu_sysdev(unsigned cpu); + +extern int cpu_add_sysdev_attr(struct sysdev_attribute *attr); +extern void cpu_remove_sysdev_attr(struct sysdev_attribute *attr); + +extern int cpu_add_sysdev_attr_group(struct attribute_group *attrs); +extern void cpu_remove_sysdev_attr_group(struct attribute_group *attrs); + + #ifdef CONFIG_HOTPLUG_CPU extern void unregister_cpu(struct cpu *cpu); #endif -- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030417AbWJXQl5 (ORCPT ); Tue, 24 Oct 2006 12:41:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030419AbWJXQkw (ORCPT ); Tue, 24 Oct 2006 12:40:52 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:27380 "EHLO moutng.kundenserver.de") by vger.kernel.org with ESMTP id S1030417AbWJXQkE (ORCPT ); Tue, 24 Oct 2006 12:40:04 -0400 Message-Id: <20061024163816.460479000@arndb.de> References: <20061024163113.694643000@arndb.de> User-Agent: quilt/0.45-1 Date: Tue, 24 Oct 2006 18:31:24 +0200 From: arnd@arndb.de To: cbe-oss-dev@ozlabs.org, linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, paulus@samba.org Subject: [PATCH 11/16] sysfs: add support for adding/removing spu sysfs attributes Content-Disposition: inline; filename=cpu-add-attributes.diff X-Provags-ID: kundenserver.de abuse@kundenserver.de login:c48f057754fc1b1a557605ab9fa6da41 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Christian Krafft This patch adds two functions to create and remove sysfs attributes and attribute_group to all cpus. That allows to register sysfs attributes in a subdirectory like: /sys/devices/system/cpu/cpuX/group_name/what_ever This will be used by cbe_thermal to group all attributes dealing with thermal support in one directory. Signed-of-by: Christian Krafft Index: linux-2.6/arch/powerpc/kernel/sysfs.c =================================================================== --- linux-2.6.orig/arch/powerpc/kernel/sysfs.c +++ linux-2.6/arch/powerpc/kernel/sysfs.c @@ -299,6 +299,72 @@ static struct notifier_block __cpuinitda .notifier_call = sysfs_cpu_notify, }; +static DEFINE_MUTEX(cpu_mutex); + +int cpu_add_sysdev_attr(struct sysdev_attribute *attr) +{ + int cpu; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev_create_file(get_cpu_sysdev(cpu), attr); + } + + mutex_unlock(&cpu_mutex); + return 0; +} +EXPORT_SYMBOL_GPL(cpu_add_sysdev_attr); + +int cpu_add_sysdev_attr_group(struct attribute_group *attrs) +{ + int cpu; + struct sys_device *sysdev; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev = get_cpu_sysdev(cpu); + sysfs_create_group(&sysdev->kobj, attrs); + } + + mutex_unlock(&cpu_mutex); + return 0; +} +EXPORT_SYMBOL_GPL(cpu_add_sysdev_attr_group); + + +void cpu_remove_sysdev_attr(struct sysdev_attribute *attr) +{ + int cpu; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev_remove_file(get_cpu_sysdev(cpu), attr); + } + + mutex_unlock(&cpu_mutex); +} +EXPORT_SYMBOL_GPL(cpu_remove_sysdev_attr); + +void cpu_remove_sysdev_attr_group(struct attribute_group *attrs) +{ + int cpu; + struct sys_device *sysdev; + + mutex_lock(&cpu_mutex); + + for_each_possible_cpu(cpu) { + sysdev = get_cpu_sysdev(cpu); + sysfs_remove_group(&sysdev->kobj, attrs); + } + + mutex_unlock(&cpu_mutex); +} +EXPORT_SYMBOL_GPL(cpu_remove_sysdev_attr_group); + + /* NUMA stuff */ #ifdef CONFIG_NUMA Index: linux-2.6/include/linux/cpu.h =================================================================== --- linux-2.6.orig/include/linux/cpu.h +++ linux-2.6/include/linux/cpu.h @@ -33,6 +33,14 @@ struct cpu { extern int register_cpu(struct cpu *cpu, int num); extern struct sys_device *get_cpu_sysdev(unsigned cpu); + +extern int cpu_add_sysdev_attr(struct sysdev_attribute *attr); +extern void cpu_remove_sysdev_attr(struct sysdev_attribute *attr); + +extern int cpu_add_sysdev_attr_group(struct attribute_group *attrs); +extern void cpu_remove_sysdev_attr_group(struct attribute_group *attrs); + + #ifdef CONFIG_HOTPLUG_CPU extern void unregister_cpu(struct cpu *cpu); #endif --