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Date:	Sun, 10 Nov 2013 17:44:52 +0100
From:	Richard Weinberger <>
To:	Shahbaz Youssefi <>
Subject: Re: Partially Privileged Applications

Am 10.11.2013 17:24, schrieb Shahbaz Youssefi:
> Not sure if I understood you (or you understood me). We don't throw
> away anything. Only difference would be instead of generating a trap
> to call a function in the kernel, we can just call it and have the
> hardware take care of privileges. The "trap way" is the one that
> actually seems hacky! A hack proposed to fix the brain-dead processors
> of twenty years ago.
> As a bonus you would also have more control over what parts of a
> driver actually get run in privileged mode.
> Care to explain why you would call this a step backwards?

Maybe I did not understand your idea. But to me it sounds like plain old call gates.

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