On Wed, 19 Sep 2007, Nick Piggin wrote:
> > Removing a virtual mappping *must* be done with interrupts enabled
> > since tlb_xx functions are called that rely on interrupts for
> > processor to processor communications.
>
> These things will clash drastically with my lazy TLB flushing and scalability
> work. Actually the lazy TLB flushing will provide a natural way to defer
> unmapping at interrupt time, and the scalability work should make it
> easier to vmap from interrupt context too, if you really need that.
Both would be good to have.
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