Commit bd27acaa authored by Tetsuo Handa's avatar Tetsuo Handa Committed by Andrew Morton
Browse files

lib/smp_processor_id: fix imbalanced instrumentation_end() call 

Currently instrumentation_end() won't be called if printk_ratelimit()
returned false.

Link: https://lkml.kernel.org/r/a636d8e0-ad32-5888-acac-671f7f553bb3@I-love.SAKURA.ne.jp


Fixes: 126f21f0 ("lib/smp_processor_id: Move it into noinstr section")
Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexandre Chartre <alexandre.chartre@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 953257a9

lib/smp_processor_id.c

+1 −1
Original line number Diff line number Diff line
@@ -47,9 +47,9 @@ unsigned int check_preemption_disabled(const char *what1, const char *what2) 


	printk("caller is %pS\n", __builtin_return_address(0));

	dump_stack();

	instrumentation_end();



out_enable:

	instrumentation_end();

	preempt_enable_no_resched_notrace();

out:

	return this_cpu;