trace: Remove unused trace_array_cpu parameter

Impact: cleanup

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

7 files changed, 35 insertions, 52 deletions

diff --git a/block/blktrace.c b/block/blktrace.c
index 1ebd068061ec..d9d7146ee023 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -245,7 +245,7 @@ record_it:
                         if (pid != 0 &&
                             !(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC) &&
                             (trace_flags & TRACE_ITER_STACKTRACE) != 0)
-                                __trace_stack(blk_tr, NULL, flags, 5, pc);
+                                __trace_stack(blk_tr, flags, 5, pc);
                         trace_wake_up();
                         return;
                 }
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a5e4c0af9bb0..1d4ff568cc4d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -776,7 +776,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
 }
 
 void
-trace_function(struct trace_array *tr, struct trace_array_cpu *data,
+trace_function(struct trace_array *tr,
                unsigned long ip, unsigned long parent_ip, unsigned long flags,
                int pc)
 {
@@ -802,7 +802,6 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 static void __trace_graph_entry(struct trace_array *tr,
-                                struct trace_array_cpu *data,
                                 struct ftrace_graph_ent *trace,
                                 unsigned long flags,
                                 int pc)
@@ -826,7 +825,6 @@ static void __trace_graph_entry(struct trace_array *tr,
 }
 
 static void __trace_graph_return(struct trace_array *tr,
-                                struct trace_array_cpu *data,
                                 struct ftrace_graph_ret *trace,
                                 unsigned long flags,
                                 int pc)
@@ -856,11 +854,10 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
        int pc)
 {
         if (likely(!atomic_read(&data->disabled)))
-                trace_function(tr, data, ip, parent_ip, flags, pc);
+                trace_function(tr, ip, parent_ip, flags, pc);
 }
 
 static void __ftrace_trace_stack(struct trace_array *tr,
-                                 struct trace_array_cpu *data,
                                  unsigned long flags,
                                  int skip, int pc)
 {
@@ -891,27 +888,24 @@ static void __ftrace_trace_stack(struct trace_array *tr,
 }
 
 static void ftrace_trace_stack(struct trace_array *tr,
-                               struct trace_array_cpu *data,
                                unsigned long flags,
                                int skip, int pc)
 {
         if (!(trace_flags & TRACE_ITER_STACKTRACE))
                 return;
 
-        __ftrace_trace_stack(tr, data, flags, skip, pc);
+        __ftrace_trace_stack(tr, flags, skip, pc);
 }
 
 void __trace_stack(struct trace_array *tr,
-                   struct trace_array_cpu *data,
                    unsigned long flags,
                    int skip, int pc)
 {
-        __ftrace_trace_stack(tr, data, flags, skip, pc);
+        __ftrace_trace_stack(tr, flags, skip, pc);
 }
 
 static void ftrace_trace_userstack(struct trace_array *tr,
-                   struct trace_array_cpu *data,
-                   unsigned long flags, int pc)
+                                   unsigned long flags, int pc)
 {
 #ifdef CONFIG_STACKTRACE
         struct ring_buffer_event *event;
@@ -942,20 +936,17 @@ static void ftrace_trace_userstack(struct trace_array *tr,
 #endif
 }
 
-void __trace_userstack(struct trace_array *tr,
-                   struct trace_array_cpu *data,
-                   unsigned long flags)
+void __trace_userstack(struct trace_array *tr, unsigned long flags)
 {
-        ftrace_trace_userstack(tr, data, flags, preempt_count());
+        ftrace_trace_userstack(tr, flags, preempt_count());
 }
 
 static void
-ftrace_trace_special(void *__tr, void *__data,
+ftrace_trace_special(void *__tr,
                      unsigned long arg1, unsigned long arg2, unsigned long arg3,
                      int pc)
 {
         struct ring_buffer_event *event;
-        struct trace_array_cpu *data = __data;
         struct trace_array *tr = __tr;
         struct special_entry *entry;
         unsigned long irq_flags;
@@ -971,8 +962,8 @@ ftrace_trace_special(void *__tr, void *__data,
         entry->arg2                     = arg2;
         entry->arg3                     = arg3;
         ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-        ftrace_trace_stack(tr, data, irq_flags, 4, pc);
-        ftrace_trace_userstack(tr, data, irq_flags, pc);
+        ftrace_trace_stack(tr, irq_flags, 4, pc);
+        ftrace_trace_userstack(tr, irq_flags, pc);
 
         trace_wake_up();
 }
@@ -981,12 +972,11 @@ void
 __trace_special(void *__tr, void *__data,
                 unsigned long arg1, unsigned long arg2, unsigned long arg3)
 {
-        ftrace_trace_special(__tr, __data, arg1, arg2, arg3, preempt_count());
+        ftrace_trace_special(__tr, arg1, arg2, arg3, preempt_count());
 }
 
 void
 tracing_sched_switch_trace(struct trace_array *tr,
-                           struct trace_array_cpu *data,
                            struct task_struct *prev,
                            struct task_struct *next,
                            unsigned long flags, int pc)
@@ -1010,13 +1000,12 @@ tracing_sched_switch_trace(struct trace_array *tr,
         entry->next_state               = next->state;
         entry->next_cpu = task_cpu(next);
         ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-        ftrace_trace_stack(tr, data, flags, 5, pc);
-        ftrace_trace_userstack(tr, data, flags, pc);
+        ftrace_trace_stack(tr, flags, 5, pc);
+        ftrace_trace_userstack(tr, flags, pc);
 }
 
 void
 tracing_sched_wakeup_trace(struct trace_array *tr,
-                           struct trace_array_cpu *data,
                            struct task_struct *wakee,
                            struct task_struct *curr,
                            unsigned long flags, int pc)
@@ -1040,8 +1029,8 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
         entry->next_state               = wakee->state;
         entry->next_cpu                 = task_cpu(wakee);
         ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-        ftrace_trace_stack(tr, data, flags, 6, pc);
-        ftrace_trace_userstack(tr, data, flags, pc);
+        ftrace_trace_stack(tr, flags, 6, pc);
+        ftrace_trace_userstack(tr, flags, pc);
 
         trace_wake_up();
 }
@@ -1064,7 +1053,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
         data = tr->data[cpu];
 
         if (likely(atomic_inc_return(&data->disabled) == 1))
-                ftrace_trace_special(tr, data, arg1, arg2, arg3, pc);
+                ftrace_trace_special(tr, arg1, arg2, arg3, pc);
 
         atomic_dec(&data->disabled);
         local_irq_restore(flags);
@@ -1092,7 +1081,7 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
         disabled = atomic_inc_return(&data->disabled);
         if (likely(disabled == 1)) {
                 pc = preempt_count();
-                __trace_graph_entry(tr, data, trace, flags, pc);
+                __trace_graph_entry(tr, trace, flags, pc);
         }
         /* Only do the atomic if it is not already set */
         if (!test_tsk_trace_graph(current))
@@ -1118,7 +1107,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
         disabled = atomic_inc_return(&data->disabled);
         if (likely(disabled == 1)) {
                 pc = preempt_count();
-                __trace_graph_return(tr, data, trace, flags, pc);
+                __trace_graph_return(tr, trace, flags, pc);
         }
         if (!trace->depth)
                 clear_tsk_trace_graph(current);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f0c7a0f08cac..df627a948694 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -419,14 +419,12 @@ void ftrace(struct trace_array *tr,
                             unsigned long parent_ip,
                             unsigned long flags, int pc);
 void tracing_sched_switch_trace(struct trace_array *tr,
-                                struct trace_array_cpu *data,
                                 struct task_struct *prev,
                                 struct task_struct *next,
                                 unsigned long flags, int pc);
 void tracing_record_cmdline(struct task_struct *tsk);
 
 void tracing_sched_wakeup_trace(struct trace_array *tr,
-                                struct trace_array_cpu *data,
                                 struct task_struct *wakee,
                                 struct task_struct *cur,
                                 unsigned long flags, int pc);
@@ -436,7 +434,6 @@ void trace_special(struct trace_array *tr,
                    unsigned long arg2,
                    unsigned long arg3, int pc);
 void trace_function(struct trace_array *tr,
-                    struct trace_array_cpu *data,
                     unsigned long ip,
                     unsigned long parent_ip,
                     unsigned long flags, int pc);
@@ -462,7 +459,6 @@ void update_max_tr_single(struct trace_array *tr,
                           struct task_struct *tsk, int cpu);
 
 void __trace_stack(struct trace_array *tr,
-                   struct trace_array_cpu *data,
                    unsigned long flags,
                    int skip, int pc);
 
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index b3a320f8aba7..d067cea2ccc3 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -78,7 +78,7 @@ function_trace_call_preempt_only(unsigned long ip, unsigned long parent_ip)
         disabled = atomic_inc_return(&data->disabled);
 
         if (likely(disabled == 1))
-                trace_function(tr, data, ip, parent_ip, flags, pc);
+                trace_function(tr, ip, parent_ip, flags, pc);
 
         atomic_dec(&data->disabled);
         ftrace_preempt_enable(resched);
@@ -108,7 +108,7 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
 
         if (likely(disabled == 1)) {
                 pc = preempt_count();
-                trace_function(tr, data, ip, parent_ip, flags, pc);
+                trace_function(tr, ip, parent_ip, flags, pc);
         }
 
         atomic_dec(&data->disabled);
@@ -139,7 +139,7 @@ function_stack_trace_call(unsigned long ip, unsigned long parent_ip)
 
         if (likely(disabled == 1)) {
                 pc = preempt_count();
-                trace_function(tr, data, ip, parent_ip, flags, pc);
+                trace_function(tr, ip, parent_ip, flags, pc);
                 /*
                  * skip over 5 funcs:
                  *    __ftrace_trace_stack,
@@ -148,7 +148,7 @@ function_stack_trace_call(unsigned long ip, unsigned long parent_ip)
                  *    ftrace_list_func
                  *    ftrace_call
                  */
-                __trace_stack(tr, data, flags, 5, pc);
+                __trace_stack(tr, flags, 5, pc);
         }
 
         atomic_dec(&data->disabled);
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index ed344b022a14..c6b442d88de8 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -95,7 +95,7 @@ irqsoff_tracer_call(unsigned long ip, unsigned long parent_ip)
         disabled = atomic_inc_return(&data->disabled);
 
         if (likely(disabled == 1))
-                trace_function(tr, data, ip, parent_ip, flags, preempt_count());
+                trace_function(tr, ip, parent_ip, flags, preempt_count());
 
         atomic_dec(&data->disabled);
 }
@@ -153,7 +153,7 @@ check_critical_timing(struct trace_array *tr,
         if (!report_latency(delta))
                 goto out_unlock;
 
-        trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc);
+        trace_function(tr, CALLER_ADDR0, parent_ip, flags, pc);
 
         latency = nsecs_to_usecs(delta);
 
@@ -177,7 +177,7 @@ out:
         data->critical_sequence = max_sequence;
         data->preempt_timestamp = ftrace_now(cpu);
         tracing_reset(tr, cpu);
-        trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc);
+        trace_function(tr, CALLER_ADDR0, parent_ip, flags, pc);
 }
 
 static inline void
@@ -210,7 +210,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip)
 
         local_save_flags(flags);
 
-        trace_function(tr, data, ip, parent_ip, flags, preempt_count());
+        trace_function(tr, ip, parent_ip, flags, preempt_count());
 
         per_cpu(tracing_cpu, cpu) = 1;
 
@@ -244,7 +244,7 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip)
         atomic_inc(&data->disabled);
 
         local_save_flags(flags);
-        trace_function(tr, data, ip, parent_ip, flags, preempt_count());
+        trace_function(tr, ip, parent_ip, flags, preempt_count());
         check_critical_timing(tr, data, parent_ip ? : ip, cpu);
         data->critical_start = 0;
         atomic_dec(&data->disabled);
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index df175cb4564f..c4f9add5ec90 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -43,7 +43,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
         data = ctx_trace->data[cpu];
 
         if (likely(!atomic_read(&data->disabled)))
-                tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc);
+                tracing_sched_switch_trace(ctx_trace, prev, next, flags, pc);
 
         local_irq_restore(flags);
 }
@@ -66,7 +66,7 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee, int success)
         data = ctx_trace->data[cpu];
 
         if (likely(!atomic_read(&data->disabled)))
-                tracing_sched_wakeup_trace(ctx_trace, data, wakee, current,
+                tracing_sched_wakeup_trace(ctx_trace, wakee, current,
                                            flags, pc);
 
         local_irq_restore(flags);
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index a48c9b4b0c85..96d716485898 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -72,7 +72,7 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip)
         if (task_cpu(wakeup_task) != cpu)
                 goto unlock;
 
-        trace_function(tr, data, ip, parent_ip, flags, pc);
+        trace_function(tr, ip, parent_ip, flags, pc);
 
  unlock:
         __raw_spin_unlock(&wakeup_lock);
@@ -152,8 +152,8 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
         if (unlikely(!tracer_enabled || next != wakeup_task))
                 goto out_unlock;
 
-        trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
-        tracing_sched_switch_trace(wakeup_trace, data, prev, next, flags, pc);
+        trace_function(wakeup_trace, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
+        tracing_sched_switch_trace(wakeup_trace, prev, next, flags, pc);
 
         /*
          * usecs conversion is slow so we try to delay the conversion
@@ -254,10 +254,8 @@ probe_wakeup(struct rq *rq, struct task_struct *p, int success)
 
         data = wakeup_trace->data[wakeup_cpu];
         data->preempt_timestamp = ftrace_now(cpu);
-        tracing_sched_wakeup_trace(wakeup_trace, data, p, current,
-                                   flags, pc);
-        trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2,
-                       flags, pc);
+        tracing_sched_wakeup_trace(wakeup_trace, p, current, flags, pc);
+        trace_function(wakeup_trace, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
 
 out_locked:
         __raw_spin_unlock(&wakeup_lock);