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| author | Steven Rostedt <srostedt@redhat.com> | 2010-05-21 11:49:57 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2010-05-21 11:49:57 -0400 |
| commit | ff5f149b6aec8edbfa3698721667acd043009a33 (patch) | |
| tree | d052553eb296dfee3f01b1cb2b717cb7ccf3127a /kernel/rcupdate.c | |
| parent | f0218b3e9974f06014b61be8987159f4a20e011e (diff) | |
| parent | 580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff) | |
| download | op-kernel-dev-ff5f149b6aec8edbfa3698721667acd043009a33.zip op-kernel-dev-ff5f149b6aec8edbfa3698721667acd043009a33.tar.gz | |
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-7
Conflicts:
include/linux/ftrace_event.h
include/trace/ftrace.h
kernel/trace/trace_event_perf.c
kernel/trace/trace_kprobe.c
kernel/trace/trace_syscalls.c
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/rcupdate.c')
| -rw-r--r-- | kernel/rcupdate.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 03a7ea1..72a8dc9 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -44,7 +44,6 @@ #include <linux/cpu.h> #include <linux/mutex.h> #include <linux/module.h> -#include <linux/kernel_stat.h> #include <linux/hardirq.h> #ifdef CONFIG_DEBUG_LOCK_ALLOC @@ -64,9 +63,6 @@ struct lockdep_map rcu_sched_lock_map = EXPORT_SYMBOL_GPL(rcu_sched_lock_map); #endif -int rcu_scheduler_active __read_mostly; -EXPORT_SYMBOL_GPL(rcu_scheduler_active); - #ifdef CONFIG_DEBUG_LOCK_ALLOC int debug_lockdep_rcu_enabled(void) @@ -97,21 +93,6 @@ EXPORT_SYMBOL_GPL(rcu_read_lock_bh_held); #endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ /* - * This function is invoked towards the end of the scheduler's initialization - * process. Before this is called, the idle task might contain - * RCU read-side critical sections (during which time, this idle - * task is booting the system). After this function is called, the - * idle tasks are prohibited from containing RCU read-side critical - * sections. - */ -void rcu_scheduler_starting(void) -{ - WARN_ON(num_online_cpus() != 1); - WARN_ON(nr_context_switches() > 0); - rcu_scheduler_active = 1; -} - -/* * Awaken the corresponding synchronize_rcu() instance now that a * grace period has elapsed. */ @@ -122,3 +103,14 @@ void wakeme_after_rcu(struct rcu_head *head) rcu = container_of(head, struct rcu_synchronize, head); complete(&rcu->completion); } + +#ifdef CONFIG_PROVE_RCU +/* + * wrapper function to avoid #include problems. + */ +int rcu_my_thread_group_empty(void) +{ + return thread_group_empty(current); +} +EXPORT_SYMBOL_GPL(rcu_my_thread_group_empty); +#endif /* #ifdef CONFIG_PROVE_RCU */ |
