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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-19 09:47:49 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-19 09:47:49 -0800 |
commit | aac3d39693529ca538e37ebdb6ed5d6432a697c7 (patch) | |
tree | bb1b0c9fe0538008aa2c97c6f5d9dfc2a4c34190 /include | |
parent | 10e5453ffa0d04a2eda3cda3f55b88cb9c04595f (diff) | |
parent | 077614ee1e93245a3b9a4e1213659405dbeb0ba6 (diff) | |
download | linux-aac3d39693529ca538e37ebdb6ed5d6432a697c7.tar.gz linux-aac3d39693529ca538e37ebdb6ed5d6432a697c7.tar.bz2 linux-aac3d39693529ca538e37ebdb6ed5d6432a697c7.zip |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (25 commits)
sched: Fix broken assertion
sched: Assert task state bits at build time
sched: Update task_state_arraypwith new states
sched: Add missing state chars to TASK_STATE_TO_CHAR_STR
sched: Move TASK_STATE_TO_CHAR_STR near the TASK_state bits
sched: Teach might_sleep() about preemptible RCU
sched: Make warning less noisy
sched: Simplify set_task_cpu()
sched: Remove the cfs_rq dependency from set_task_cpu()
sched: Add pre and post wakeup hooks
sched: Move kthread_bind() back to kthread.c
sched: Fix select_task_rq() vs hotplug issues
sched: Fix sched_exec() balancing
sched: Ensure set_task_cpu() is never called on blocked tasks
sched: Use TASK_WAKING for fork wakups
sched: Select_task_rq_fair() must honour SD_LOAD_BALANCE
sched: Fix task_hot() test order
sched: Fix set_cpu_active() in cpu_down()
sched: Mark boot-cpu active before smp_init()
sched: Fix cpu_clock() in NMIs, on !CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
...
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/rcutiny.h | 5 | ||||
-rw-r--r-- | include/linux/rcutree.h | 11 | ||||
-rw-r--r-- | include/linux/sched.h | 13 |
3 files changed, 25 insertions, 4 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index c4ba9a78721e..96cc307ed9f4 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -101,4 +101,9 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* __LINUX_RCUTINY_H */ diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index c93eee5911b0..8044b1b94333 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -45,6 +45,12 @@ extern void __rcu_read_unlock(void); extern void synchronize_rcu(void); extern void exit_rcu(void); +/* + * Defined as macro as it is a very low level header + * included from areas that don't even know about current + */ +#define rcu_preempt_depth() (current->rcu_read_lock_nesting) + #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock(void) @@ -63,6 +69,11 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* #else #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock_bh(void) diff --git a/include/linux/sched.h b/include/linux/sched.h index e89857812be6..f2f842db03ce 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -192,6 +192,12 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) #define TASK_DEAD 64 #define TASK_WAKEKILL 128 #define TASK_WAKING 256 +#define TASK_STATE_MAX 512 + +#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW" + +extern char ___assert_task_state[1 - 2*!!( + sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)]; /* Convenience macros for the sake of set_task_state */ #define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE) @@ -1091,7 +1097,8 @@ struct sched_class { enum cpu_idle_type idle); void (*pre_schedule) (struct rq *this_rq, struct task_struct *task); void (*post_schedule) (struct rq *this_rq); - void (*task_wake_up) (struct rq *this_rq, struct task_struct *task); + void (*task_waking) (struct rq *this_rq, struct task_struct *task); + void (*task_woken) (struct rq *this_rq, struct task_struct *task); void (*set_cpus_allowed)(struct task_struct *p, const struct cpumask *newmask); @@ -1115,7 +1122,7 @@ struct sched_class { struct task_struct *task); #ifdef CONFIG_FAIR_GROUP_SCHED - void (*moved_group) (struct task_struct *p); + void (*moved_group) (struct task_struct *p, int on_rq); #endif }; @@ -2594,8 +2601,6 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p) } #endif /* CONFIG_MM_OWNER */ -#define TASK_STATE_TO_CHAR_STR "RSDTtZX" - #endif /* __KERNEL__ */ #endif |