rcu: Stopgap fix for synchronize_rcu_expedited() for TREE_PREEMPT_RCU

[safe/jmp/linux-2.6] / include / linux / cpufreq.h

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index ddd8652..44717eb 100644 (file)
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -4,9 +4,6 @@
  *  Copyright (C) 2001 Russell King
  *            (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
  *            
- *
- * $Id: cpufreq.h,v 1.36 2003/01/20 17:31:48 db Exp $
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -68,6 +65,9 @@ static inline int cpufreq_unregister_notifier(struct notifier_block *nb,
 
 struct cpufreq_governor;
 
+/* /sys/devices/system/cpu/cpufreq: entry point for global variables */
+extern struct kobject *cpufreq_global_kobject;
+
 #define CPUFREQ_ETERNAL                        (-1)
 struct cpufreq_cpuinfo {
        unsigned int            max_freq;
@@ -83,7 +83,8 @@ struct cpufreq_real_policy {
 };
 
 struct cpufreq_policy {
-       cpumask_t               cpus;   /* affected CPUs */
+       cpumask_var_t           cpus;   /* CPUs requiring sw coordination */
+       cpumask_var_t           related_cpus; /* CPUs with any coordination */
        unsigned int            shared_type; /* ANY or ALL affected CPUs
                                                should set cpufreq */
        unsigned int            cpu;    /* cpu nr of registered CPU */
@@ -108,6 +109,7 @@ struct cpufreq_policy {
 #define CPUFREQ_ADJUST         (0)
 #define CPUFREQ_INCOMPATIBLE   (1)
 #define CPUFREQ_NOTIFY         (2)
+#define CPUFREQ_START          (3)
 
 #define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
 #define CPUFREQ_SHARED_TYPE_HW  (1) /* HW does needed coordination */
@@ -188,7 +190,8 @@ extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
                                   unsigned int relation);
 
 
-extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy);
+extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy,
+                                  unsigned int cpu);
 
 int cpufreq_register_governor(struct cpufreq_governor *governor);
 void cpufreq_unregister_governor(struct cpufreq_governor *governor);
@@ -227,7 +230,9 @@ struct cpufreq_driver {
        unsigned int    (*get)  (unsigned int cpu);
 
        /* optional */
-       unsigned int (*getavg)  (unsigned int cpu);
+       unsigned int (*getavg)  (struct cpufreq_policy *policy,
+                                unsigned int cpu);
+
        int     (*exit)         (struct cpufreq_policy *policy);
        int     (*suspend)      (struct cpufreq_policy *policy, pm_message_t pmsg);
        int     (*resume)       (struct cpufreq_policy *policy);
@@ -272,6 +277,13 @@ struct freq_attr {
        ssize_t (*store)(struct cpufreq_policy *, const char *, size_t count);
 };
 
+struct global_attr {
+       struct attribute attr;
+       ssize_t (*show)(struct kobject *kobj,
+                       struct attribute *attr, char *buf);
+       ssize_t (*store)(struct kobject *a, struct attribute *b,
+                        const char *c, size_t count);
+};
 
 /*********************************************************************
  *                        CPUFREQ 2.6. INTERFACE                     *
@@ -307,6 +319,9 @@ extern struct cpufreq_governor cpufreq_gov_performance;
 #endif
 #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
 #define CPUFREQ_DEFAULT_GOVERNOR       (&cpufreq_gov_performance)
+#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE)
+extern struct cpufreq_governor cpufreq_gov_powersave;
+#define CPUFREQ_DEFAULT_GOVERNOR       (&cpufreq_gov_powersave)
 #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
 extern struct cpufreq_governor cpufreq_gov_userspace;
 #define CPUFREQ_DEFAULT_GOVERNOR       (&cpufreq_gov_userspace)