Subject: Re: NCR Driver Problems
To: None <email@example.com>
From: Brad Walker <firstname.lastname@example.org>
Date: 01/23/1996 22:02:25
> From owner-current-users@NetBSD.ORG Tue Jan 23 20:31 PST 1996
> From: email@example.com (Christoph Badura)
> Subject: Re: NCR Driver Problems
> To: current-users@NetBSD.ORG
> Date: Tue, 23 Jan 1996 18:07:37 +0100 (MET)
> CGD writes:
> > > Why do you need tagged commands anyway?
> > "highest performance."
> I don't buy that. You can use them to impose an ordering on the
> requests. That doesn't necessarily give higher performance.
I looked at the SCSI implementors notes and this is the worst thing to
do. DO NOT use tagged command queueing to try and implement ordering.
If you need ordering use one-command dispatch. The SCSI implementors
notes say this.