linux-kernel - Re: State of the Linux PCI Subsystem for 2.6.18-rc6

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Date:	Sat, 9 Sep 2006 10:39:32 +0200
From:	Martin Mares <mj@....cz>
To:	Greg KH <gregkh@...e.de>
Cc:	torvalds@...l.org, Andrew Morton <akpm@...l.org>,
	linux-pci@...ey.karlin.mff.cuni.cz, linux-kernel@...r.kernel.org
Subject: Re: State of the Linux PCI Subsystem for 2.6.18-rc6

Hi Greg!

> No other new PCI driver API changes are pending that I am aware of.  The
> PCI sort order change will affect some people's userspace ordering of
> network devices, restoring it to the proper 2.4 ordering.  It was never
> intended that this be broken, and since no one has noticed this for the
> past 3 years, it was not broken in a severe way.

Changing the device order in the middle of the 2.6 cycle doesn't sound
like a sane idea to me. Many people have changed their systems' configuration
to adapt to the 2.6 ordering and this patch would break their setups.
I have seen many such examples in my vicinity.

I believe that not breaking existing 2.6 setups is much more important
than keeping compatibility with 2.4 kernels, especially when the problem
is discovered after more than 2 years after release of the first 2.6.

				Have a nice fortnight
-- 
Martin `MJ' Mares   <mj@....cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
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