linux-kernel - Re: linux-next: boot test failure (net tree)

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Message-ID: <1314088165.2128.221.camel@jtkirshe-mobl>
Date:	Tue, 23 Aug 2011 01:29:24 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	David Miller <davem@...emloft.net>
Cc:	"lacombar@...il.com" <lacombar@...il.com>,
	"sfr@...b.auug.org.au" <sfr@...b.auug.org.au>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"mikey@...ling.org" <mikey@...ling.org>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	"paulus@...ba.org" <paulus@...ba.org>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>
Subject: Re: linux-next: boot test failure (net tree)

On Mon, 2011-08-22 at 21:02 -0700, David Miller wrote:
> From: Arnaud Lacombe <lacombar@...il.com>
> Date: Mon, 22 Aug 2011 23:50:02 -0400
> 
> > Are you implying we need some kind of way to migrate config ?
> 
> The issue is that the dependencies for every single ethernet driver
> have changed.  Some dependencies have been dropped (f.e. NETDEV_10000
> and some have been added (f.e. ETHERNET, NET_VENDOR_****)
> 
> So right now an automated (non-prompted, default to no on all new
> options) run on an existing config results in all ethernet drivers
> getting disabled because the new dependencies don't get enabled.
> 
> This wouldn't be so bad if it was just one or two drivers, but in
> this case it's every single ethernet driver which will have and hit
> this problem.
> 

Ok, I have patch which will resolve the issue.  It is the last patch in
the series I am about to send out.  What this patch does is set the
"new" Kconfig options to Y, so that current defconfig's can build
driver's that are currently set to build.

This will fix the issue, I have confirmed this with the x86_64
defconfig.  It will be nice that eventually all configs get updated so
that not all the NET_VENDOR_* tags have to be enabled, but
understandably this is the best way to ensure that current defconfig's
will compile all expected drivers.

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