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Commit 61c0d48f authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

mac80211: remove tracing config symbol 



There's little point in this config symbol, if
tracing is disabled the overhead is negligible
and if you think it's too bad you can always
turn off tracing completely.

Also remove the part where we don't have sparse
check the tracing code -- it seems that it can
now deal with it (or the code changed).

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 30789eb6

net/mac80211/Kconfig

+0 −12
Original line number Original line Diff line number Diff line
@@ -247,15 +247,3 @@ config MAC80211_DEBUG_COUNTERS 
	  and show them in debugfs.

	  and show them in debugfs.





	  If unsure, say N.
 
	  If unsure, say N.
 


config MAC80211_DRIVER_API_TRACER

	bool "Driver API tracer"

	depends on MAC80211_DEBUG_MENU

	depends on EVENT_TRACING

	help

	  Say Y here to make mac80211 register with the ftrace

	  framework for the driver API -- you can then see which

	  driver methods it is calling and which API functions

	  drivers are calling by looking at the trace.



	  If unsure, say Y.

net/mac80211/Makefile

+2 −2
Original line number Original line Diff line number Diff line
@@ -24,7 +24,8 @@ mac80211-y := \ 
	util.o \

	util.o \

	wme.o \

	wme.o \

	event.o \

	event.o \

	chan.o

	chan.o \

	driver-trace.o





mac80211-$(CONFIG_MAC80211_LEDS) += led.o

mac80211-$(CONFIG_MAC80211_LEDS) += led.o

mac80211-$(CONFIG_MAC80211_DEBUGFS) += \

mac80211-$(CONFIG_MAC80211_DEBUGFS) += \
@@ -41,7 +42,6 @@ mac80211-$(CONFIG_MAC80211_MESH) += \ 




mac80211-$(CONFIG_PM) += pm.o

mac80211-$(CONFIG_PM) += pm.o





mac80211-$(CONFIG_MAC80211_DRIVER_API_TRACER) += driver-trace.o

CFLAGS_driver-trace.o := -I$(src)

CFLAGS_driver-trace.o := -I$(src)





# objects for PID algorithm

# objects for PID algorithm

net/mac80211/driver-trace.h

+0 −11
Original line number Original line Diff line number Diff line
@@ -5,17 +5,6 @@ 
#include <net/mac80211.h>

#include <net/mac80211.h>

#include "ieee80211_i.h"

#include "ieee80211_i.h"





#if !defined(CONFIG_MAC80211_DRIVER_API_TRACER) || defined(__CHECKER__)

#undef TRACE_EVENT

#define TRACE_EVENT(name, proto, ...) \

static inline void trace_ ## name(proto) {}

#undef DECLARE_EVENT_CLASS

#define DECLARE_EVENT_CLASS(...)

#undef DEFINE_EVENT

#define DEFINE_EVENT(evt_class, name, proto, ...) \

static inline void trace_ ## name(proto) {}

#endif



#undef TRACE_SYSTEM

#undef TRACE_SYSTEM

#define TRACE_SYSTEM mac80211

#define TRACE_SYSTEM mac80211