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, 3 insertions, 3 deletions

diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index fff3545fc866..e720c001db2b 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -175,7 +175,7 @@ void trace_hw_branch(u64 from, u64 to)
         struct trace_array *tr = hw_branch_trace;
         struct ring_buffer_event *event;
         struct hw_branch_entry *entry;
-        unsigned long irq1, irq2;
+        unsigned long irq1;
         int cpu;
 
         if (unlikely(!tr))
@@ -189,7 +189,7 @@ void trace_hw_branch(u64 from, u64 to)
         if (atomic_inc_return(&tr->data[cpu]->disabled) != 1)
                 goto out;
 
-        event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), &irq2);
+        event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
         if (!event)
                 goto out;
         entry   = ring_buffer_event_data(event);
@@ -198,7 +198,7 @@ void trace_hw_branch(u64 from, u64 to)
         entry->ent.cpu = cpu;
         entry->from = from;
         entry->to   = to;
-        ring_buffer_unlock_commit(tr->buffer, event, irq2);
+        ring_buffer_unlock_commit(tr->buffer, event);
 
  out:
         atomic_dec(&tr->data[cpu]->disabled);