locking/rtmutex: Restrict the trylock WARN_ON() to debug

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The warning as written is expensive and not really required for a
production kernel. Make it depend on rt mutex debugging and use !in_task()
for the condition which generates far better code and gives the same
answer.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210326153944.436565064@linutronix.de

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Thomas Gleixner 2021-03-26 16:29:43 +01:00 • committed by Ingo Molnar

parent 82cd5b1039

commit c2c360ed7f

1 changed files with 1 additions and 1 deletions

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kernel/locking/rtmutex.c

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