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[PATCH v3 01/14] tracepoints: move trace_print_flags definitions to tracepoint-defs.h

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  [PATCH v3 01/14] tracepoints: move trace_print_flags definitions to tracepoint-defs.h Vlastimil Babka <vbabka@suse.cz> - 2015-12-18 10:10 +0100

#1294564 — [PATCH v3 01/14] tracepoints: move trace_print_flags definitions to tracepoint-defs.h

The following patch will need to declare array of struct trace_print_flags
in a header. To prevent this header from pulling in all of RCU through
trace_events.h, move the struct trace_print_flags{_64} definitions to the new
lightweight tracepoint-defs.h header.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.cz>
---
 include/linux/trace_events.h    | 10 ----------
 include/linux/tracepoint-defs.h | 14 ++++++++++++--
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 429fdfc3baf5..d91404f89ff2 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -15,16 +15,6 @@ struct tracer;
 struct dentry;
 struct bpf_prog;
 
-struct trace_print_flags {
-	unsigned long		mask;
-	const char		*name;
-};
-
-struct trace_print_flags_u64 {
-	unsigned long long	mask;
-	const char		*name;
-};
-
 const char *trace_print_flags_seq(struct trace_seq *p, const char *delim,
 				  unsigned long flags,
 				  const struct trace_print_flags *flag_array);
diff --git a/include/linux/tracepoint-defs.h b/include/linux/tracepoint-defs.h
index e1ee97c713bf..4ac89acb6136 100644
--- a/include/linux/tracepoint-defs.h
+++ b/include/linux/tracepoint-defs.h
@@ -3,13 +3,23 @@
 
 /*
  * File can be included directly by headers who only want to access
- * tracepoint->key to guard out of line trace calls. Otherwise
- * linux/tracepoint.h should be used.
+ * tracepoint->key to guard out of line trace calls, or the definition of
+ * trace_print_flags{_u64}. Otherwise linux/tracepoint.h should be used.
  */
 
 #include <linux/atomic.h>
 #include <linux/static_key.h>
 
+struct trace_print_flags {
+	unsigned long		mask;
+	const char		*name;
+};
+
+struct trace_print_flags_u64 {
+	unsigned long long	mask;
+	const char		*name;
+};
+
 struct tracepoint_func {
 	void *func;
 	void *data;
-- 
2.6.3

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