Re: [RFC][PATCH] kmap_atomic_push

Peter Zijlstra
2009-10-08T22:30:00Z

On Thu, 2009-10-08 at 23:12 +0100, David Howells wrote:
> Do we have any code that uses two slots and then calls more code that
> ultimately requires further slots? In other words, do we need more than two
> slots?

I can think of code that does a lot more than that, suppose you have
both KM_USER[01], get an interrupt that takes KM_IRQ[01], take an NMI
that takes KM_NMI.

Maybe we can stack the SOFTIRQ ones in as well ;-)