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tracing: Add __per_cpu annotation to trace array percpu data pointer

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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@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2013-03-02 16:49:10 -05:00 committed by Steven Rostedt
parent b8aae39fc5
commit 34ef61b1fa
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/trace.h
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@ -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 {