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uprobes/tracing: Make uprobe_perf_close() visible to uprobe_perf_open()

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Preparation. Move uprobe_perf_close() up before uprobe_perf_open() to
avoid the forward declaration in the next patch and make it readable.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
This commit is contained in:
Oleg Nesterov 2014-04-24 13:26:01 +02:00
parent c90a695012
commit ce5f36a58f
1 changed files with 22 additions and 22 deletions
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44
kernel/trace/trace_uprobe.c
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@ -1009,6 +1009,28 @@ uprobe_filter_event(struct trace_uprobe *tu, struct perf_event *event)
return __uprobe_perf_filter(&tu->filter, event->hw.tp_target->mm); return __uprobe_perf_filter(&tu->filter, event->hw.tp_target->mm);
} }
static int uprobe_perf_close(struct trace_uprobe *tu, struct perf_event *event)
{
bool done;
write_lock(&tu->filter.rwlock);
if (event->hw.tp_target) {
list_del(&event->hw.tp_list);
done = tu->filter.nr_systemwide ||
(event->hw.tp_target->flags & PF_EXITING) ||
uprobe_filter_event(tu, event);
} else {
tu->filter.nr_systemwide--;
done = tu->filter.nr_systemwide;
}
write_unlock(&tu->filter.rwlock);
if (!done)
uprobe_apply(tu->inode, tu->offset, &tu->consumer, false);
return 0;
}
static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event) static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event)
{ {
bool done; bool done;
@ -1039,28 +1061,6 @@ static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event)
return 0; return 0;
} }
static int uprobe_perf_close(struct trace_uprobe *tu, struct perf_event *event)
{
bool done;
write_lock(&tu->filter.rwlock);
if (event->hw.tp_target) {
list_del(&event->hw.tp_list);
done = tu->filter.nr_systemwide ||
(event->hw.tp_target->flags & PF_EXITING) ||
uprobe_filter_event(tu, event);
} else {
tu->filter.nr_systemwide--;
done = tu->filter.nr_systemwide;
}
write_unlock(&tu->filter.rwlock);
if (!done)
uprobe_apply(tu->inode, tu->offset, &tu->consumer, false);
return 0;
}
static bool uprobe_perf_filter(struct uprobe_consumer *uc, static bool uprobe_perf_filter(struct uprobe_consumer *uc,
enum uprobe_filter_ctx ctx, struct mm_struct *mm) enum uprobe_filter_ctx ctx, struct mm_struct *mm)
{ {