Re: [RISC-V] [tech-tee] [RISC-V] [tech-privileged] Proposed deprecation of N extension

Gernot <gernot.heiser@...>

On 6 Jun 2021, at 12:22, Jonathan Behrens <behrensj@...> wrote:

Wouldn't you also want to isolate different interrupt handlers from each other and from any non-interrupt handler user code running on the system? With the N-extension itself none of that would be possible. In fact, I suspect that a lot of the performance that you might get out of the N-extension specifically comes from running all that code in the same privilege domain.

OK, if that’s the case then it is of pretty limited use indeed.


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