On Wednesday 24 October 2007, Jeff Garzik wrote:
> >
> > Could we add a debug option that warned if spin_lock_irq is
> > executed with IRQs turned off already?
>
> Seems reasonable but perhaps arch-specific?
>
> Also, I think someone (akpm?) mentioned an effort had been made before,
> and run into some problems. I don't have details...
I already posted a patch in this thread that does exactly that (and
warn about spin_unlock_irq with IRQs enabled), see my earlier reply.
The patch works fine, but my feeling is that it belongs into lockdep
instead.
Arnd <><
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