From: raz ben yehuda <raziebe@gmail.com>
To: riel@redhat.com
Cc: mingo@elte.hu, peterz@infradead.org, wiseman@macs.biu.ac.il,
lkml <linux-kernel@vger.kernel.org>
Subject: Subject :[ PATCH 003:003] inclue files
Date: Sun, 23 Aug 2009 02:30:37 +0300 [thread overview]
Message-ID: <1250983837.5688.25.camel@raz> (raw)
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@gmail.com
---
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
reply other threads:[~2009-08-22 20:30 UTC|newest]
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