netdev - Re: Driver build-testing (was: [PATCH] net: dm9000: Fix build)

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Message-ID: <20110418151729.GA4721@rere.qmqm.pl>
Date:	Mon, 18 Apr 2011 17:17:29 +0200
From:	Micha? Miros?aw <mirq-linux@...e.qmqm.pl>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	netdev@...r.kernel.org
Subject: Re: Driver build-testing (was: [PATCH] net: dm9000: Fix build)

On Mon, Apr 18, 2011 at 07:55:08AM -0700, Randy Dunlap wrote:
> On Mon, 18 Apr 2011 16:51:02 +0200 Micha? Miros?aw wrote:
> 
> > On Mon, Apr 18, 2011 at 01:25:22PM +0100, Mark Brown wrote:
> > > On Mon, Apr 18, 2011 at 01:12:03PM +0200, Micha? Miros?aw wrote:
> > > > This brings the issue of build testing effectiveness. In current code
> > > > there is no configuration that makes all drivers build. I would like
> > > > to see something like 'make brokenconfig' that would allow most of
> > > > the code to be built, and not necessarily working. Maybe someone has
> > > > an idea how to implement that?
> > > For the drivers that genuinely are rather platform specific this tends
> > > to fail very badly as you need headers that only come along with the
> > > architecture.
> > > 
> > > In the case of DM9000 if it fails to build on your platform then the
> > > driver is just buggy - looking at the Kconfig I rather suspect that the
> > > dependency on architectures should just be removed.
> > I wonder if allyesconfig/allmodconfig is supposed to include code that's
> > known not to work for a particular architecture.
> all*config just use whatever is in all of the various Kconfig* files.
> If they say "depends on $somearch", then so be it.  If not, then the
> remaining dependencies are used.

Yes, I know how it works. I just wonder if removing those dependencies so
that all drivers (even if known not to work) are built on all*config
is acceptable. Or maybe there should be a config like 'disable all drivers
that are known to build but not to work on this arch'?

Best Regards,
Michał Mirosław
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