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Merge branch 'tip/perf/urgent-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent

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Pull tracing fixes from Steven Rostedt.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2013-03-14 08:12:20 +01:00
parent aea8b5d1e5 740466bc89
commit 0b34083f46
2 changed files with 4 additions and 3 deletions
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4
kernel/trace/ftrace.c
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@@ -3104,8 +3104,8 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
continue; continue;
} }
hlist_del(&entry->node); hlist_del_rcu(&entry->node);
call_rcu(&entry->rcu, ftrace_free_entry_rcu); call_rcu_sched(&entry->rcu, ftrace_free_entry_rcu);
} }
} }
__disable_ftrace_function_probe(); __disable_ftrace_function_probe();

3
kernel/trace/trace.c
View File

@@ -704,7 +704,7 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
void void
update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
{ {
struct ring_buffer *buf = tr->buffer; struct ring_buffer *buf;
if (trace_stop_count) if (trace_stop_count)
return; return;
@@ -719,6 +719,7 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
arch_spin_lock(&ftrace_max_lock); arch_spin_lock(&ftrace_max_lock);
buf = tr->buffer;
tr->buffer = max_tr.buffer; tr->buffer = max_tr.buffer;
max_tr.buffer = buf; max_tr.buffer = buf;