tracing: Replace the static global per_cpu arrays with allocated per_cpu
The global and max-tr currently use static per_cpu arrays for the CPU data
descriptors. But in order to get new allocated trace_arrays, they need to
be allocated per_cpu arrays. Instead of using the static arrays, switch
the global and max-tr to use allocated data.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index b3cf6bf..9b52f9c 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -121,7 +121,7 @@
if (!irqs_disabled_flags(*flags))
return 0;
- *data = tr->data[cpu];
+ *data = per_cpu_ptr(tr->data, cpu);
disabled = atomic_inc_return(&(*data)->disabled);
if (likely(disabled == 1))
@@ -380,7 +380,7 @@
if (per_cpu(tracing_cpu, cpu))
return;
- data = tr->data[cpu];
+ data = per_cpu_ptr(tr->data, cpu);
if (unlikely(!data) || atomic_read(&data->disabled))
return;
@@ -418,7 +418,7 @@
if (!tracer_enabled)
return;
- data = tr->data[cpu];
+ data = per_cpu_ptr(tr->data, cpu);
if (unlikely(!data) ||
!data->critical_start || atomic_read(&data->disabled))