linux-kernel - Re: [PATCH v3 02/71] ARC: Build system: Makefiles, Kconfig, Linker script

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Date:	Mon, 11 Feb 2013 17:14:48 +0530
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	James Hogan <james.hogan@...tec.com>
CC:	<linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<arnd@...db.de>, Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH v3 02/71] ARC: Build system: Makefiles, Kconfig, Linker
 script

On Monday 11 February 2013 04:59 PM, James Hogan wrote:
> Hi Vineet,
> 
> On 24/01/13 10:50, Vineet Gupta wrote:
>> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
>> new file mode 100644
>> index 0000000..b0b09ae
>> --- /dev/null
>> +++ b/arch/arc/Kconfig
>> @@ -0,0 +1,328 @@
>> +#
>> +# Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
>> +#
>> +# This program is free software; you can redistribute it and/or modify
>> +# it under the terms of the GNU General Public License version 2 as
>> +# published by the Free Software Foundation.
>> +#
>> +
>> +config ARC
>> +	def_bool y
>> +	select ARCH_NO_VIRT_TO_BUS
> 
> I noticed this in linux-next. ARCH_NO_VIRT_TO_BUS was defined
> generically in the past in linux-next but the patch seems to have gone.
> Therefore with an arc defconfig I see CONFIG_VIRT_TO_BUS=y defined which
> I'm guessing it shouldn't be.

Good catch ! I'll add a config ARCH_NO_VIRT_TO_BUS, but it would seem this is
better done in arch/Kconfig and get rid of extraneous defs in arch/*/Kconfig. I
can spin that patch, the only issue is merging logistics - our trees are not yet
apt for such changes.

Thx,
-Vineet
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