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Merge branch 'rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  rcu: rcu_sched_grace_period(): kill the bogus flush_signals()
  rculist: use list_entry_rcu in places where it's appropriate
  rculist.h: introduce list_entry_rcu() and list_first_entry_rcu()
  rcu: Update RCU tracing documentation for __rcu_pending
  rcu: Add __rcu_pending tracing to hierarchical RCU
  RCU: make treercu be default
This commit is contained in:
Linus Torvalds
2009-06-10 19:50:03 -07:00
parent 769f3e8c38 41c51c98f5
commit 20f3f3ca49
11 changed files with 213 additions and 51 deletions
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8
include/linux/sched.h
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@@ -77,6 +77,7 @@ struct sched_param {
#include <linux/proportions.h>
#include <linux/seccomp.h>
#include <linux/rcupdate.h>
#include <linux/rculist.h>
#include <linux/rtmutex.h>
#include <linux/time.h>
@@ -2030,7 +2031,8 @@ static inline unsigned long wait_task_inactive(struct task_struct *p,
}
#endif
#define next_task(p) list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)
#define next_task(p) \
list_entry_rcu((p)->tasks.next, struct task_struct, tasks)
#define for_each_process(p) \
for (p = &init_task ; (p = next_task(p)) != &init_task ; )
@@ -2069,8 +2071,8 @@ int same_thread_group(struct task_struct *p1, struct task_struct *p2)
static inline struct task_struct *next_thread(const struct task_struct *p)
{
return list_entry(rcu_dereference(p->thread_group.next),
struct task_struct, thread_group);
return list_entry_rcu(p->thread_group.next,
struct task_struct, thread_group);
}
static inline int thread_group_empty(struct task_struct *p)