linux-kernel - Re: [PATCH] Only show RESOURCES_64BIT on relevant architectures

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Message-Id: <AFC1DED8-E331-420C-940E-9CF849630F0B@kernel.crashing.org>
Date:	Mon, 29 Oct 2007 22:03:16 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Ralf Baechle <ralf@...ux-mips.org>
Cc:	Kyle McMartin <kyle@...artin.ca>, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Only show RESOURCES_64BIT on relevant architectures


On Oct 29, 2007, at 9:48 PM, Ralf Baechle wrote:

> On Sun, Oct 28, 2007 at 04:15:49PM -0400, Kyle McMartin wrote:
>
>> +++ b/mm/Kconfig
>> @@ -172,6 +172,7 @@ config MIGRATION
>>
>>  config RESOURCES_64BIT
>>  	bool "64 bit Memory and IO resources (EXPERIMENTAL)" if (!64BIT  
>> && EXPERIMENTAL)
>> +	depends on (MIPS || PPC32 || X86_PAE) || 64BIT
>
> On MIPS it would be a per platform thing.  I'd prefer if  
> RESOURCES_64BIT
> was enabled through reverse dependencies and never visible as a user
> option.

The same is true on PPC32.  Its a per platform thing.   However, I'm  
not sure if we could hide it from the user.  There are cases on the  
same HW platform that you want to run with just 32-bit phys (for  
performance).

- k
-
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