linux-kernel - Re: [PATCH] base: isa: Remove X86

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Message-ID: <alpine.DEB.2.11.1601220905381.3886@nanos>
Date:	Fri, 22 Jan 2016 09:07:22 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	William Breathitt Gray <vilhelm.gray@...il.com>
cc:	"H. Peter Anvin" <hpa@...or.com>, mingo@...hat.com,
	gregkh@...uxfoundation.org, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] base: isa: Remove X86_32 dependency

On Thu, 21 Jan 2016, William Breathitt Gray wrote:
> On 01/21/2016 06:47 PM, H. Peter Anvin wrote:
> > Well, and as you can see from the build robot because a lot of those
> > drivers simply don't compile on 64-bit systems.  If nothing else you
> > would have to push the 32-bit tests downward in the config dependency tree.
> 
> Yes, you're right. There doesn't appear to be anything 32-bit specific in
> the ISA bus driver itself, so these build failures must be due to configs
> relying on the 32-bit dependency from CONFIG_ISA. It should be possible to
> decouple the 32-bit dependency, so I'll work through the config dependency
> tree and fix the build errors with explicit CONFIG_X86_32 dependencies. I'll
> submit a new patch with those changes when complete.

Make drivers/bus/isa.c depend on CONFIG_ISA_BUS and select that from
CONFIG_ISA.

That gives you the bus driver alone w/o touching any of the things which
depend on x32.

Thanks,

	tglx