Subject :[ PATCH 003:003] inclue files

From: raz ben yehuda
Date: Sat Aug 22 2009 - 16:30:45 EST


offsched APIs to be used by offsched drivers.

cpu.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
sched.h | 2 +-
2 files changed, 51 insertions(+), 1 deletion(-)

Signed-off-by: raziebe@xxxxxxxxx
---
diff -X 2.6.30-offsched/Documentation/dontdiff -urN tmp/linux-2.6.30/include/linux/cpu.h 2.6.30-offsched/include/linux/cpu.h
--- tmp/linux-2.6.30/include/linux/cpu.h 2009-06-10 06:05:27.000000000 +0300
+++ 2.6.30-offsched/include/linux/cpu.h 2009-08-21 22:05:03.000000000 +0300
@@ -43,14 +43,28 @@

#ifdef CONFIG_HOTPLUG_CPU
extern void unregister_cpu(struct cpu *cpu);
+extern void unregister_offsched(int cpuid);
#endif
struct notifier_block;

#ifdef CONFIG_SMP
/* Need to know about CPUs going up/down? */
#ifdef CONFIG_HOTPLUG_CPU
+
+
extern int register_cpu_notifier(struct notifier_block *nb);
extern void unregister_cpu_notifier(struct notifier_block *nb);
+extern int register_offsched(void (*hotplug_cpu_dead)(void), int cpuid);
+extern int is_offsched(int cpuid);
+extern int is_offsched_kmem(int cpuid);
+extern void unset_offsched_kmem(int cpuid);
+extern void set_offsched_kmem(int cpuid);
+extern void run_offsched(void);
+extern int offsched_is_napi_avail(void);
+extern void offsched_register_napi(void);
+extern void offsched_unregister_napi(void);
+extern void offsched_napi_schedule(void *n);
+extern int offsched_pkt(void *s);
#else

#ifndef MODULE
@@ -60,11 +74,47 @@
{
return 0;
}
+
+static inline int register_offsched(void (*hotplug_cpu_dead)(void), int cpuid);
+{
+ return 0;
+}
+
+int offsched_is_napi_avail(void)
+{
+ return 0;
+}
+
+int offsched_pkt(void *s)
+{
+ return 0;
+}
#endif

static inline void unregister_cpu_notifier(struct notifier_block *nb)
{
}
+
+static inline void unregister_offsched(int cpuid)
+{
+}
+static inline int is_offsched(int cpuid)
+{
+ return 0;
+}
+static inline void run_offsched(void)
+{
+}
+static inline int is_offsched_memory(int cpuid)
+{
+ return 0;
+}
+
+static inline void offsched_napi_schedule(void *n)
+{
+
+}
+
#endif

int cpu_up(unsigned int cpu);
diff -X 2.6.30-offsched/Documentation/dontdiff -urN tmp/linux-2.6.30/include/linux/sched.h 2.6.30-offsched/include/linux/sched.h
--- tmp/linux-2.6.30/include/linux/sched.h 2009-06-10 06:05:27.000000000 +0300
+++ 2.6.30-offsched/include/linux/sched.h 2009-07-25 13:59:19.000000000 +0300
@@ -1999,7 +1999,7 @@

extern void set_task_comm(struct task_struct *tsk, char *from);
extern char *get_task_comm(char *to, struct task_struct *tsk);
-
+extern rwlock_t *get_tasklist_lock(void);
#ifdef CONFIG_SMP
extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
#else


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