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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-11-03 22:50:15 +0300
committerSteven Rostedt <rostedt@goodmis.org>2015-11-03 22:50:15 +0300
commitd332736df0c277905de06311ae084e2c76580a3f (patch)
tree9cfa8234b9ce54d306a3c4c4c474f31c839ffc82 /kernel/trace/trace_stack.c
parentbb99d8ccec7f83a2730a29d1ae7eee5ffa446a9e (diff)
downloadlinux-d332736df0c277905de06311ae084e2c76580a3f.tar.xz
tracing: Rename max_stack_lock to stack_trace_max_lock
Now that max_stack_lock is a global variable, it requires a naming convention that is unlikely to collide. Rename it to the same naming convention that the other stack_trace variables have. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_stack.c')
-rw-r--r--kernel/trace/trace_stack.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 50945a7939f4..0bd212af406c 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -31,7 +31,7 @@ struct stack_trace stack_trace_max = {
};
unsigned long stack_trace_max_size;
-arch_spinlock_t max_stack_lock =
+arch_spinlock_t stack_trace_max_lock =
(arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;
static DEFINE_PER_CPU(int, trace_active);
@@ -65,7 +65,7 @@ void stack_trace_print(void)
/*
* When arch-specific code overides this function, the following
- * data should be filled up, assuming max_stack_lock is held to
+ * data should be filled up, assuming stack_trace_max_lock is held to
* prevent concurrent updates.
* stack_trace_index[]
* stack_trace_max
@@ -92,7 +92,7 @@ check_stack(unsigned long ip, unsigned long *stack)
return;
local_irq_save(flags);
- arch_spin_lock(&max_stack_lock);
+ arch_spin_lock(&stack_trace_max_lock);
/* In case another CPU set the tracer_frame on us */
if (unlikely(!frame_size))
@@ -175,7 +175,7 @@ check_stack(unsigned long ip, unsigned long *stack)
}
out:
- arch_spin_unlock(&max_stack_lock);
+ arch_spin_unlock(&stack_trace_max_lock);
local_irq_restore(flags);
}
@@ -246,9 +246,9 @@ stack_max_size_write(struct file *filp, const char __user *ubuf,
cpu = smp_processor_id();
per_cpu(trace_active, cpu)++;
- arch_spin_lock(&max_stack_lock);
+ arch_spin_lock(&stack_trace_max_lock);
*ptr = val;
- arch_spin_unlock(&max_stack_lock);
+ arch_spin_unlock(&stack_trace_max_lock);
per_cpu(trace_active, cpu)--;
local_irq_restore(flags);
@@ -291,7 +291,7 @@ static void *t_start(struct seq_file *m, loff_t *pos)
cpu = smp_processor_id();
per_cpu(trace_active, cpu)++;
- arch_spin_lock(&max_stack_lock);
+ arch_spin_lock(&stack_trace_max_lock);
if (*pos == 0)
return SEQ_START_TOKEN;
@@ -303,7 +303,7 @@ static void t_stop(struct seq_file *m, void *p)
{
int cpu;
- arch_spin_unlock(&max_stack_lock);
+ arch_spin_unlock(&stack_trace_max_lock);
cpu = smp_processor_id();
per_cpu(trace_active, cpu)--;