Re: Synchronous board drivers

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 5 Jul 1999 11:21:06 +0100 (BST)


> On Sun, Jul 04, 1999 at 07:11:00PM +0100, Alan Cox wrote:
> > Almost every "mid layer" in the kernel has proved to be a mistake in the
> > long term. SCSI is the classic example
>
> Alan, is that criticsm on the fundamental concept of having "mid layers"
> or just on an implementation done poorly?

I don't know. I will observe however that in almost every case they become
problematic. The SCSI one was done properly. It is a beautiful interface
for 1993/4 era dumb ISA scsi controllers

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