Currently CONFIG_TIMER_STATS exposes process information across namespaces:
kernel/time/timer_list.c print_timer():
        SEQ_printf(m, ", %s/%d", tmp, timer->start_pid);
/proc/timer_list:
 #11: <0000000000000000>, hrtimer_wakeup, S:01, do_nanosleep, cron/2570
Given that the tracer can give the same information, this patch entirely
removes CONFIG_TIMER_STATS.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Xing Gao <xgao01@email.wm.edu>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jessica Frazelle <me@jessfraz.com>
Cc: kernel-hardening@lists.openwall.com
Cc: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Michal Marek <mmarek@suse.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-api@vger.kernel.org
Cc: Arjan van de Ven <arjan@linux.intel.com>
Link: http://lkml.kernel.org/r/20170208192659.GA32582@beast
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
		
	
			
		
			
				
	
	
		
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			20 lines
		
	
	
		
			700 B
		
	
	
	
		
			Makefile
		
	
	
	
	
	
| obj-y += time.o timer.o hrtimer.o
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| obj-y += timekeeping.o ntp.o clocksource.o jiffies.o timer_list.o
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| obj-y += timeconv.o timecounter.o alarmtimer.o
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| 
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| ifeq ($(CONFIG_POSIX_TIMERS),y)
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|  obj-y += posix-timers.o posix-cpu-timers.o posix-clock.o itimer.o
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| else
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|  obj-y += posix-stubs.o
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| endif
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| 
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| obj-$(CONFIG_GENERIC_CLOCKEVENTS)		+= clockevents.o tick-common.o
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| ifeq ($(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST),y)
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|  obj-y						+= tick-broadcast.o
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|  obj-$(CONFIG_TICK_ONESHOT)			+= tick-broadcast-hrtimer.o
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| endif
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| obj-$(CONFIG_GENERIC_SCHED_CLOCK)		+= sched_clock.o
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| obj-$(CONFIG_TICK_ONESHOT)			+= tick-oneshot.o tick-sched.o
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| obj-$(CONFIG_DEBUG_FS)				+= timekeeping_debug.o
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| obj-$(CONFIG_TEST_UDELAY)			+= test_udelay.o
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