6 files changed, 15 insertions, 18 deletions

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index e71634604400..b416512ad17f 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -83,7 +83,7 @@ config RING_BUFFER_ALLOW_SWAP
 # This allows those options to appear when no other tracer is selected. But the
 # options do not appear when something else selects it. We need the two options
 # GENERIC_TRACER and TRACING to avoid circular dependencies to accomplish the
-# hidding of the automatic options options.
+# hidding of the automatic options.
 
 config TRACING
         bool
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index e70af98bb99c..46592feab5a6 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1520,7 +1520,7 @@ static int t_show(struct seq_file *m, void *v)
         return 0;
 }
 
-static struct seq_operations show_ftrace_seq_ops = {
+static const struct seq_operations show_ftrace_seq_ops = {
         .start = t_start,
         .next = t_next,
         .stop = t_stop,
@@ -2461,7 +2461,7 @@ static int g_show(struct seq_file *m, void *v)
         return 0;
 }
 
-static struct seq_operations ftrace_graph_seq_ops = {
+static const struct seq_operations ftrace_graph_seq_ops = {
         .start = g_start,
         .next = g_next,
         .stop = g_stop,
@@ -3018,7 +3018,7 @@ int unregister_ftrace_function(struct ftrace_ops *ops)
 
 int
 ftrace_enable_sysctl(struct ctl_table *table, int write,
-                     struct file *file, void __user *buffer, size_t *lenp,
+                     void __user *buffer, size_t *lenp,
                      loff_t *ppos)
 {
         int ret;
@@ -3028,7 +3028,7 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
 
         mutex_lock(&ftrace_lock);
 
-        ret  = proc_dointvec(table, write, file, buffer, lenp, ppos);
+        ret  = proc_dointvec(table, write, buffer, lenp, ppos);
 
         if (ret || !write || (last_ftrace_enabled == !!ftrace_enabled))
                 goto out;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ae17453dc0f9..45068269ebb1 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1949,7 +1949,7 @@ static int s_show(struct seq_file *m, void *v)
         return 0;
 }
 
-static struct seq_operations tracer_seq_ops = {
+static const struct seq_operations tracer_seq_ops = {
         .start          = s_start,
         .next           = s_next,
         .stop           = s_stop,
@@ -1984,11 +1984,9 @@ __tracing_open(struct inode *inode, struct file *file)
         if (current_trace)
                 *iter->trace = *current_trace;
 
-        if (!alloc_cpumask_var(&iter->started, GFP_KERNEL))
+        if (!zalloc_cpumask_var(&iter->started, GFP_KERNEL))
                 goto fail;
 
-        cpumask_clear(iter->started);
-
         if (current_trace && current_trace->print_max)
                 iter->tr = &max_tr;
         else
@@ -2163,7 +2161,7 @@ static int t_show(struct seq_file *m, void *v)
         return 0;
 }
 
-static struct seq_operations show_traces_seq_ops = {
+static const struct seq_operations show_traces_seq_ops = {
         .start          = t_start,
         .next           = t_next,
         .stop           = t_stop,
@@ -4389,7 +4387,7 @@ __init static int tracer_alloc_buffers(void)
         if (!alloc_cpumask_var(&tracing_cpumask, GFP_KERNEL))
                 goto out_free_buffer_mask;
 
-        if (!alloc_cpumask_var(&tracing_reader_cpumask, GFP_KERNEL))
+        if (!zalloc_cpumask_var(&tracing_reader_cpumask, GFP_KERNEL))
                 goto out_free_tracing_cpumask;
 
         /* To save memory, keep the ring buffer size to its minimum */
@@ -4400,7 +4398,6 @@ __init static int tracer_alloc_buffers(void)
 
         cpumask_copy(tracing_buffer_mask, cpu_possible_mask);
         cpumask_copy(tracing_cpumask, cpu_all_mask);
-        cpumask_clear(tracing_reader_cpumask);
 
         /* TODO: make the number of buffers hot pluggable with CPUS */
         global_trace.buffer = ring_buffer_alloc(ring_buf_size,
diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index ca7d7c4d0c2a..23b63859130e 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -155,7 +155,7 @@ static enum print_line_t bts_trace_print_line(struct trace_iterator *iter)
                     seq_print_ip_sym(seq, it->from, symflags) &&
                     trace_seq_printf(seq, "\n"))
                         return TRACE_TYPE_HANDLED;
-                return TRACE_TYPE_PARTIAL_LINE;;
+                return TRACE_TYPE_PARTIAL_LINE;
         }
         return TRACE_TYPE_UNHANDLED;
 }
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 0f6facb050a1..8504ac71e4e8 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -296,14 +296,14 @@ static const struct file_operations stack_trace_fops = {
 
 int
 stack_trace_sysctl(struct ctl_table *table, int write,
-                   struct file *file, void __user *buffer, size_t *lenp,
+                   void __user *buffer, size_t *lenp,
                    loff_t *ppos)
 {
         int ret;
 
         mutex_lock(&stack_sysctl_mutex);
 
-        ret = proc_dointvec(table, write, file, buffer, lenp, ppos);
+        ret = proc_dointvec(table, write, buffer, lenp, ppos);
 
         if (ret || !write ||
             (last_stack_tracer_enabled == !!stack_tracer_enabled))
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 7a3550cf2597..9fbce6c9d2e1 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -2,7 +2,7 @@
 #include <trace/events/syscalls.h>
 #include <linux/kernel.h>
 #include <linux/ftrace.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
 #include <asm/syscall.h>
 
 #include "trace_output.h"
@@ -433,7 +433,7 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
         rec->nr = syscall_nr;
         syscall_get_arguments(current, regs, 0, sys_data->nb_args,
                                (unsigned long *)&rec->args);
-        perf_tpcounter_event(sys_data->enter_id, 0, 1, rec, size);
+        perf_tp_event(sys_data->enter_id, 0, 1, rec, size);
 
 end:
         local_irq_restore(flags);
@@ -532,7 +532,7 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
         rec->nr = syscall_nr;
         rec->ret = syscall_get_return_value(current, regs);
 
-        perf_tpcounter_event(sys_data->exit_id, 0, 1, rec, size);
+        perf_tp_event(sys_data->exit_id, 0, 1, rec, size);
 
 end:
         local_irq_restore(flags);