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Date:      Sun, 22 Jul 2007 12:20:05 +0100
From:      Dieter <freebsd@sopwith.solgatos.com>
To:        freebsd-drivers@freebsd.org
Subject:   userspace driver API ?
Message-ID:  <200707221920.TAA14252@sopwith.solgatos.com>

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The penguins have developed a "stable" userspace driver
API to allow "most" of a driver to be in userland.

http://liquidat.wordpress.com/2007/07/21/linux-kernel-2623-to-have-stable-userspace-driver-api/

No DMA (yet?).  Not for drivers requiring the highest
possible performance.

It doesn't solve the problems of binary-only drivers.
(security, fixing bugs, CPU arch, ...)

But if they did a reasonable job (and yes that's a significant if),
it might be useful for many drivers.  Perhaps a way to share
drivers between Linux, the BSDs, OS-X, OpenSolaris, ...

Thoughts?



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