Date: Fri, 11 May 2007 09:22:20 +0200
From: Cornelia Huck <cornelia.huck@de.ibm.com>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Phillip Susi <psusi@cfl.rr.com>, david@lang.hm,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Adrian Bunk <bunk@stusta.de>, Greg K-H <greg@kroah.com>,
       linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Please revert 5adc55da4a7758021bcc374904b0f8b076508a11
 (PCI_MULTITHREAD_PROBE)
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On Thu, 10 May 2007 16:55:54 +0200,
Stefan Richter <stefanr@s5r6.in-berlin.de> wrote:

> Phillip Susi wrote:
> > Stefan Richter wrote:
> >> The SCSI stack already has infrastructure for multi-threaded discovery
> >> and probing.
> > 
> > So?  It would still benefit from using a generic framework that other 
> > buses can use as well.
> 
> Perhaps, perhaps not.  Many details of the If and How of asynchronous,
> parallelized probing rest with the low-level drivers.

A mix of bus/driver parallelism would probably be the most flexible
approach.

> [BTW, which ever team attempts to design this generic framework please
> brings in detailed knowledge of a variety of bus architectures.  I for
> one would like to contribute with what I know about IEEE 1394, but
> before that I still have to experiment on my own before I have a good
> understanding of how to parallelize IEEE 1394 scanning and probing, and
> the IEEE 1394 core is being radically reworked at the moment anyway.]

I guess I'm too tainted by s390 :/ (which in comparison provides a
quite unified way at probing), but I'd be happy to contibute my
experiences as well.
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