perf symbols: Make symbol_conf global

This simplifies a lot of functions, less stuff to be done by
tool writers.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260914682-29652-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index bdfc4b8e..faf18a8 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -10,7 +10,6 @@
 struct ip_callchain;
 struct thread;
 struct symbol;
-struct symbol_conf;
 
 struct perf_session {
 	struct perf_header	header;
@@ -26,7 +25,6 @@
 	int			fd;
 	int			cwdlen;
 	char			*cwd;
-	bool			use_modules;
 	bool			use_callchain;
 	char filename[0];
 };
@@ -48,8 +46,7 @@
 	bool		full_paths;
 };
 
-struct perf_session *perf_session__new(const char *filename, int mode,
-				       bool force, struct symbol_conf *conf);
+struct perf_session *perf_session__new(const char *filename, int mode, bool force);
 void perf_session__delete(struct perf_session *self);
 
 int perf_session__process_events(struct perf_session *self,