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locking/lockdep: Make it clear that what lock_class::key points at is not modified

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This patch does not change the behavior of the lockdep code.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/r/20190722182443.216015-2-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Bart Van Assche
2019-07-22 11:24:40 -07:00
committed by Ingo Molnar
parent 6c11c6e3d5
commit 364f6afc4f
4 changed files with 5 additions and 4 deletions
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2
kernel/locking/lockdep.c
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@ -511,7 +511,7 @@ static const char *usage_str[] =
};
#endif
const char * __get_key_name(struct lockdep_subclass_key *key, char *str)
const char *__get_key_name(const struct lockdep_subclass_key *key, char *str)
{
return kallsyms_lookup((unsigned long)key, NULL, NULL, NULL, str);
}