linux-kernel - Re: [PATCH v2 00/11] test_user

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Message-Id: <20150812.143410.1500869614245341672.davem@davemloft.net>
Date:	Wed, 12 Aug 2015 14:34:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	geert@...ux-m68k.org
Cc:	james.hogan@...tec.com, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, keescook@...omium.org,
	akpm@...ux-foundation.org, monstr@...str.eu, lftan@...era.com,
	jonas@...thpole.se, chris@...kel.net, jcmvbkbc@...il.com,
	nios2-dev@...ts.rocketboards.org, linux@...ts.openrisc.net,
	linux-xtensa@...ux-xtensa.org
Subject: Re: [PATCH v2 00/11] test_user_copy improvements

From: Geert Uytterhoeven <geert@...ux-m68k.org>
Date: Tue, 11 Aug 2015 13:20:53 +0200

> On Tue, Aug 11, 2015 at 6:08 AM, David Miller <davem@...emloft.net> wrote:
 ...
>> diff --git a/lib/Kconfig b/lib/Kconfig
>> index 3a2ef67..149eb29 100644
>> --- a/lib/Kconfig
>> +++ b/lib/Kconfig
>> @@ -62,6 +62,9 @@ config ARCH_USE_CMPXCHG_LOCKREF
>>  config ARCH_HAS_FAST_MULTIPLIER
>>         bool
>>
>> +config ARCH_SPLIT_VA_SPACE
>> +       def_bool n
>> +
>>  config CRC_CCITT
>>         tristate "CRC-CCITT functions"
>>         help
> 
> I think this applies to a few more architectures.
> 
> M68k already has a config symbol for his (CPU_HAS_ADDRESS_SPACES),
> which is set by classic m68k (not Coldfire) that has the "moves" instruction.

Awesome, maybe James can add the M68K case to his patch as well.
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