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SubjectRe: Direct access to hardware
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James Sutherland <jas88@cam.ac.uk> writes:
>On Tue, 25 Jul 2000, Stephen Frost wrote:
>> The kernel provides a nice clean interface to devices which conform to
>> the spec. Note that such raw access is, from what I can tell, part of
>> the spec, just the specific data sent using it isn't specified in the
>> spec and has been used by vendors to provide vendor-specific hooks,
>> which reminds me of 'SCSI generic'...
>
>It's dangerous - and the only legitimate use of this "feature" is one
>which shouldn't be done from within Linux in the first place.

let me get this straight. are you saying that the "jaz" utility which
lets me password-protect write access to my jaz disks should not exist
under Linux ? this utility requires the ability to send that are
vendor-and-device-specific SCSI commands to the drive.

--p

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