Re: Direct access to hardware

From: James Sutherland (jas88@cam.ac.uk)
Date: Sun Jul 23 2000 - 09:06:55 EST


On Sun, 23 Jul 2000, Khimenko Victor wrote:

> In <Pine.LNX.4.10.10007231053180.7898-100000@dax.joh.cam.ac.uk> James Sutherland (jas88@cam.ac.uk) wrote:
> > On Sun, 23 Jul 2000, Vojtech Pavlik wrote:
>
> > It's not filtering; IDE commands shouldn't originate in userland to begin
> > with. Userland apps should make a request to the kernel for a specific
> > kernel facility; the kernel then implements this by sending IDE commands
> > as needed.
>
> Yes. It'll be god design, it's right approach, etc. It's NOT something to be
> done in hurry while 2.4 is in code-freeze state. And it's NOT what Andhre's
> patch is doing. It's 2.5 task (if someone will volunteer). Point closed.

Agreed - the question is, what should be done with 2.4 in the mean time?
IMO, just blocking off raw access with a few exceptions where needed
(hdparm, power saving code etc.?) is the sanest approach: just a big if
statement.

James.

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