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locking/lockdep: Remove the unused print_lock_trace() function

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gcc warns that function print_lock_trace() is unused if
CONFIG_PROVE_LOCKING isn't set:

../kernel/locking/lockdep.c:2820:13: warning: ‘print_lock_trace’ defined but not used [-Wunused-function]

Rework so we remove the function if CONFIG_PROVE_LOCKING isn't set.

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: will.deacon@arm.com
Fixes: c120bce780 ("lockdep: Simplify stack trace handling")
Link: http://lkml.kernel.org/r/20190516191326.27003-1-anders.roxell@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Anders Roxell 2019-05-16 21:13:26 +02:00 committed by Ingo Molnar
parent 978315462d
commit c0090c4c85
1 changed files with 0 additions and 4 deletions
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4
kernel/locking/lockdep.c
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@ -2818,10 +2818,6 @@ static inline int validate_chain(struct task_struct *curr,
{
return 1;
}
static void print_lock_trace(struct lock_trace *trace, unsigned int spaces)
{
}
#endif
/*