Re: Spinlocks: Factor our GENERIC_LOCKBREAK in order to avoid spinwith irqs disable

[Christoph Lameter]

On Mon, 23 Jun 2008, Peter Zijlstra wrote:

> > It is good that the locks are build with _trylock and _can_lock because 
> > then we can reenable interrupts while spinning.
> 
> Well, good and bad, the turn side is that fairness schemes like ticket
> locks are utterly defeated.

True. But maybe we can make these fairness schemes more generic so that 
they can go into core code?

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