Re: [PATCH]locking:mutex Print warning if trylock in irq context

From: Peter Zijlstra
Date: Fri Dec 22 2017 - 15:51:19 EST


On Sat, Dec 23, 2017 at 02:15:19AM +0530, gaurav jindal wrote:
> Since mutex_trylock must not be called from interrupt context, a robustness
> can be added to this function by throwing a warning if it is called in
> interrupt context.
> It would help to make debugging easier in case of undesired calling of this
> function.

Or you run with lockdep enabled and not make this thing slower for
everybody.