Re: [PATCH] cpumask: fix lg_lock/br_lock.

On Wed, 2012-02-29 at 09:29 +0100, Ingo Molnar wrote:

As part of any cleanup they should first be converted from 
arch_spinlock_t to regular spinlock_t - I bet if that is done 
then that not only simplifies the wrappers massively, it also 
turns the above soft lockup report into a nice, actionable 
lockdep splat. 

It might help if you'd actually read the code.. that will simply not
work.