1 files changed, 7 insertions, 12 deletions

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 454e74e718cf..d4ff01970547 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -201,8 +201,6 @@ int tracing_is_on(void)
 }
 EXPORT_SYMBOL_GPL(tracing_is_on);
 
-#include "trace.h"
-
 #define RB_EVNT_HDR_SIZE (offsetof(struct ring_buffer_event, array))
 #define RB_ALIGNMENT            4U
 #define RB_MAX_SMALL_DATA       (RB_ALIGNMENT * RINGBUF_TYPE_DATA_TYPE_LEN_MAX)
@@ -701,8 +699,8 @@ static int rb_head_page_set(struct ring_buffer_per_cpu *cpu_buffer,
 
         val &= ~RB_FLAG_MASK;
 
-        ret = (unsigned long)cmpxchg(&list->next,
-                                     val | old_flag, val | new_flag);
+        ret = cmpxchg((unsigned long *)&list->next,
+                      val | old_flag, val | new_flag);
 
         /* check if the reader took the page */
         if ((ret & ~RB_FLAG_MASK) != val)
@@ -794,7 +792,7 @@ static int rb_head_page_replace(struct buffer_page *old,
         val = *ptr & ~RB_FLAG_MASK;
         val |= RB_PAGE_HEAD;
 
-        ret = cmpxchg(ptr, val, &new->list);
+        ret = cmpxchg(ptr, val, (unsigned long)&new->list);
 
         return ret == val;
 }
@@ -2997,15 +2995,12 @@ static void rb_advance_iter(struct ring_buffer_iter *iter)
 }
 
 static struct ring_buffer_event *
-rb_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
+rb_buffer_peek(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts)
 {
-        struct ring_buffer_per_cpu *cpu_buffer;
         struct ring_buffer_event *event;
         struct buffer_page *reader;
         int nr_loops = 0;
 
-        cpu_buffer = buffer->buffers[cpu];
-
  again:
         /*
          * We repeat when a timestamp is encountered. It is possible
@@ -3049,7 +3044,7 @@ rb_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
         case RINGBUF_TYPE_DATA:
                 if (ts) {
                         *ts = cpu_buffer->read_stamp + event->time_delta;
-                        ring_buffer_normalize_time_stamp(buffer,
+                        ring_buffer_normalize_time_stamp(cpu_buffer->buffer,
                                                          cpu_buffer->cpu, ts);
                 }
                 return event;
@@ -3168,7 +3163,7 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
         local_irq_save(flags);
         if (dolock)
                 spin_lock(&cpu_buffer->reader_lock);
-        event = rb_buffer_peek(buffer, cpu, ts);
+        event = rb_buffer_peek(cpu_buffer, ts);
         if (event && event->type_len == RINGBUF_TYPE_PADDING)
                 rb_advance_reader(cpu_buffer);
         if (dolock)
@@ -3237,7 +3232,7 @@ ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts)
         if (dolock)
                 spin_lock(&cpu_buffer->reader_lock);
 
-        event = rb_buffer_peek(buffer, cpu, ts);
+        event = rb_buffer_peek(cpu_buffer, ts);
         if (event)
                 rb_advance_reader(cpu_buffer);