linux-kernel - Re: FIX Me in pgtable.h

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Date:	Wed, 24 Sep 2014 07:38:15 -0400
From:	nick <yocto6@...il.com>
To:	Laura Abbott <lauraa@...eaurora.org>, linux@....linux.org.uk
CC:	steve.capper@....com, will.deacon@....com,
	linux-kernel@...r.kernel.org, steve.capper@...aro.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: FIX Me in pgtable.h



On 14-09-23 11:21 PM, Laura Abbott wrote:
> On 9/23/2014 6:04 AM, nick wrote:
>> Greetings Arm Maintainers,
>> I am wondering about the fix me in pgtable.h for define kern_addr_valid and how to set it to a correct
>> value as you state that this needs to be fixed as the defined macro is still 1. This is probably incorrect
>> and should be changed.
>> Thanks,
>> Nick
>>
> 
> It's not clear to me how valuable fixing kern_addr_valid would actually
> be for arm. It seems to be used in exactly one place, fs/proc/kcore.c
> and the associated Kconfig is explicitly marked if !ARM. Nearly all
> other archs minus x86, arm64 and sparc are in the same boat as well.
> 
> Thanks,
> Laura
> 
Laura,
Can we remove it then as it seems that it's not needed at all.
Cheers Nick 
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