[for-next][PATCH 4/6] tracing: Add __per_cpu annotation to trace array percpu data pointer

[Steven Rostedt]

From: "Steven Rostedt (Red Hat)" <srostedt@xxxxxxxxxx>

With the conversion of the data array to per cpu, sparse now complains
about the use of per_cpu_ptr() on the variable. But The variable is
allocated with alloc_percpu() and is fine to use. But since the structure
that contains the data variable does not annotate it as such, sparse
gives out a lot of false warnings.

Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 kernel/trace/trace.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c597523..50a9c81 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -198,7 +198,7 @@ struct trace_array {
 	struct list_head	systems;
 	struct list_head	events;
 	struct task_struct	*waiter;
-	struct trace_array_cpu	*data;
+	struct trace_array_cpu __percpu	*data;
 };
 
 enum {
-- 
1.7.10.4


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