Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()

[Ingo Molnar <mingo@elte.hu>]

* Arjan van de Ven <arjan@infradead.org> wrote:

> > couldnt most of these problems be avoided by tracking whether a handler 
> > _ever_ returned a success status? That means that irqpoll could safely 
> > poll handlers for which we know that they somehow arent yet matched up 
> > to any IRQ line?
> 
> I suspect the real solution is to have a
> 
> disable_irq_handler(irq, handler) 
> 
> function which does 2 things
> 1) disable the irq at the hardware level
> 2) mark the handler as "don't call me"
> 
> it matches the semantics here; what these drivers want is 1) not get 
> an irq handler called and 2) not get an irq flood

ok, this would work. But there is a practical problem: only in drivers/* 
there's 310 disable_irq() calls - each would have to be changed to 
disable_irq_handler() [and i dont see any good way to automate that 
conversion] ...

	Ingo