ring_buffer: remove unused flags parameter

Impact: API change, cleanup

>From ring_buffer_{lock_reserve,unlock_commit}.

$ codiff /tmp/vmlinux.before /tmp/vmlinux.after
linux-2.6-tip/kernel/trace/trace.c:
  trace_vprintk              |  -14
  trace_graph_return         |  -14
  trace_graph_entry          |  -10
  trace_function             |   -8
  __ftrace_trace_stack       |   -8
  ftrace_trace_userstack     |   -8
  tracing_sched_switch_trace |   -8
  ftrace_trace_special       |  -12
  tracing_sched_wakeup_trace |   -8
 9 functions changed, 90 bytes removed, diff: -90

linux-2.6-tip/block/blktrace.c:
  __blk_add_trace |   -1
 1 function changed, 1 bytes removed, diff: -1

/tmp/vmlinux.after:
 10 functions changed, 91 bytes removed, diff: -91

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frédéric Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 8 deletions

diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index faa6ab7a1f5c..3b1a292d12d2 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -115,7 +115,6 @@ void trace_power_end(struct power_trace *it)
         struct ring_buffer_event *event;
         struct trace_power *entry;
         struct trace_array_cpu *data;
-        unsigned long irq_flags;
         struct trace_array *tr = power_trace;
 
         if (!trace_power_enabled)
@@ -125,15 +124,14 @@ void trace_power_end(struct power_trace *it)
         it->end = ktime_get();
         data = tr->data[smp_processor_id()];
 
-        event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-                                         &irq_flags);
+        event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
         if (!event)
                 goto out;
         entry   = ring_buffer_event_data(event);
         tracing_generic_entry_update(&entry->ent, 0, 0);
         entry->ent.type = TRACE_POWER;
         entry->state_data = *it;
-        ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+        ring_buffer_unlock_commit(tr->buffer, event);
 
         trace_wake_up();
 
@@ -148,7 +146,6 @@ void trace_power_mark(struct power_trace *it, unsigned int type,
         struct ring_buffer_event *event;
         struct trace_power *entry;
         struct trace_array_cpu *data;
-        unsigned long irq_flags;
         struct trace_array *tr = power_trace;
 
         if (!trace_power_enabled)
@@ -162,15 +159,14 @@ void trace_power_mark(struct power_trace *it, unsigned int type,
         it->end = it->stamp;
         data = tr->data[smp_processor_id()];
 
-        event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-                                         &irq_flags);
+        event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
         if (!event)
                 goto out;
         entry   = ring_buffer_event_data(event);
         tracing_generic_entry_update(&entry->ent, 0, 0);
         entry->ent.type = TRACE_POWER;
         entry->state_data = *it;
-        ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+        ring_buffer_unlock_commit(tr->buffer, event);
 
         trace_wake_up();