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_boot.c b/kernel/trace/trace_boot.c
index 1f07895977a..4e08debf662 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -132,7 +132,6 @@ void trace_boot_call(struct boot_trace_call *bt, initcall_t fn)
 {
         struct ring_buffer_event *event;
         struct trace_boot_call *entry;
-        unsigned long irq_flags;
         struct trace_array *tr = boot_trace;
 
         if (!tr || !pre_initcalls_finished)
@@ -144,15 +143,14 @@ void trace_boot_call(struct boot_trace_call *bt, initcall_t fn)
         sprint_symbol(bt->func, (unsigned long)fn);
         preempt_disable();
 
-        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_BOOT_CALL;
         entry->boot_call = *bt;
-        ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+        ring_buffer_unlock_commit(tr->buffer, event);
 
         trace_wake_up();
 
@@ -164,7 +162,6 @@ void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn)
 {
         struct ring_buffer_event *event;
         struct trace_boot_ret *entry;
-        unsigned long irq_flags;
         struct trace_array *tr = boot_trace;
 
         if (!tr || !pre_initcalls_finished)
@@ -173,15 +170,14 @@ void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn)
         sprint_symbol(bt->func, (unsigned long)fn);
         preempt_disable();
 
-        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_BOOT_RET;
         entry->boot_ret = *bt;
-        ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+        ring_buffer_unlock_commit(tr->buffer, event);
 
         trace_wake_up();