[for-next][PATCH 17/24] tracing: Remove hist trigger synth_var_refs

Steven Rostedt
2018-12-21T17:57:53Z

From: Tom Zanussi <tom.zanussi@linux.intel.com>

All var_refs are now handled uniformly and there's no reason to treat
the synth_refs in a special way now, so remove them and associated
functions.

Link: http://lkml.kernel.org/r/b4d3470526b8f0426dcec125399dad9ad9b8589d.1545161087.git.tom.zanussi@linux.intel.com

Acked-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
kernel/trace/trace_events_hist.c | 18 ------------------
1 file changed, 18 deletions(-)

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 923c572ee68d..1b1aee944588 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -279,8 +279,6 @@ struct hist_trigger_data {
struct action_data *actions[HIST_ACTIONS_MAX];
unsigned int n_actions;

- struct hist_field *synth_var_refs[SYNTH_FIELDS_MAX];
- unsigned int n_synth_var_refs;
struct field_var *field_vars[SYNTH_FIELDS_MAX];
unsigned int n_field_vars;
unsigned int n_field_var_str;
@@ -3599,20 +3597,6 @@ static void save_field_var(struct hist_trigger_data *hist_data,
}

-static void destroy_synth_var_refs(struct hist_trigger_data *hist_data)
-{
- unsigned int i;
-
- for (i = 0; i < hist_data->n_synth_var_refs; i++)
- destroy_hist_field(hist_data->synth_var_refs[i], 0);
-}
-
-static void save_synth_var_ref(struct hist_trigger_data *hist_data,
- struct hist_field *var_ref)
-{
- hist_data->synth_var_refs[hist_data->n_synth_var_refs++] = var_ref;
-}
-
static int check_synth_field(struct synth_event *event,
struct hist_field *hist_field,
unsigned int field_pos)
@@ -3772,7 +3756,6 @@ static int onmatch_create(struct hist_trigger_data *hist_data,
goto err;
}

- save_synth_var_ref(hist_data, var_ref);
field_pos++;
kfree(p);
continue;
@@ -4516,7 +4499,6 @@ static void destroy_hist_data(struct hist_trigger_data *hist_data)
destroy_actions(hist_data);
destroy_field_vars(hist_data);
destroy_field_var_hists(hist_data);
- destroy_synth_var_refs(hist_data);

kfree(hist_data);
}
--
2.19.2