Re: [PATCH] Prevent nested interrupts when the IRQ stack is near overflowing v2

[Andi Kleen]

> I think the patch as posted solves a real problem, but also perpetuates a bad 
> situation.
> 
> At minimum we should print a (one-time) warning that some badness occured. 
> That would push us either in the direction of improving drivers, or towards 
> improving the generic code.

What should a driver do to prevent that? I don't see what it could do
short of castrating itself (like refusing to use multiple ports)
As Linus says the driver doesn't know if setting IRQF_DISABLED is safe.

-Andi
-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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