On 21 Jul 2000, Henning P. Schmiedehausen wrote:
> There is simply no point in hiding anything from root.
I am not hiding anything, you as root must make a choice to expose full
unrestricted access to the hardware or filter for correct usage.
> What I tried to understand in between Andre's swearwords, is that you
Sorry, but this is very serious to me (fist fights not excluded to win).
> can enable drives to access a full set of parameters ("taskfile") or
> you can disable this. If you enable it, you can fry the drive. If you
> disable it, you can't but you can still use the regular ATA command
> set which is all that the kernel will ever need.
You only need access to the commands that are used and described in the
ATA-ATAPI specification. You do not need to send commands to the drives
that violate the standard making :
LINUX NON-ATA-ATAPI COMPLIANT!
Here is a good phrase.
> The question now is: Once you disabled this, you can't enable it
> again? If this is truw, then I can understand many of the strange
> words that Andre used (though I still think that he was/is under deep
> sleep deprivation and strong drugs). If you can reenable this access,
> then there is no point.
I do take strong drugs to keep me from getting hyper.
The access decision is made at compile time.
Cheers,
Andre Hedrick
The Linux ATA/IDE guy
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This archive was generated by hypermail 2b29 : Sun Jul 23 2000 - 21:00:18 EST