From: Konstantin Khlebnikov <khlebnikov@openvz•org>
To: Stephen Rothwell <sfr@canb•auug.org.au>
Cc: Andrew Morton <akpm@linux-foundation•org>,
"linux-next@vger•kernel.org" <linux-next@vger•kernel.org>,
LKML <linux-kernel@vger•kernel.org>
Subject: Re: [PATCH] mm: add config NUMA stub to all architectures
Date: Fri, 17 Feb 2012 17:32:10 +0400 [thread overview]
Message-ID: <4F3E56DA.3050203@openvz.org> (raw)
In-Reply-To: <20120217234508.8293a84fb3ebb7fed6d60ec3@canb.auug.org.au>
Stephen Rothwell wrote:
> Hi Konstantin,
>
> On Fri, 17 Feb 2012 16:08:15 +0400 Konstantin Khlebnikov<khlebnikov@openvz•org> wrote:
>>
>> Config NUMA must be defined for all architectures,
>> otherwise IS_ENABLED(CONFIG_NUMA) does not work.
>> Some arch-specific Kconfig already has this stub.
>> This patch adds it to all remaining.
>
> Why not add it somewhere generic (like mm/Kconfig, maybe) and then it can
> be removed from the architecture specific places over time (if necessary
> - I am pretty sure it is ok to have it there twice)?
>
Different architectures has different dependencies for NUMA.
Seems like Kconfig allow config option duplication, but it use default state from first.
If we add "config NUMA\n def_bool n" somewhere in generic Kconfig, default will be n if
Kconfig see this declaration first.
next prev parent reply other threads:[~2012-02-17 13:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-17 10:20 linux-next: build failure after merge of the final tree (akpm tree related) Stephen Rothwell
2012-02-17 12:06 ` Konstantin Khlebnikov
2012-02-17 12:08 ` [PATCH] mm: add config NUMA stub to all architectures Konstantin Khlebnikov
2012-02-17 12:45 ` Stephen Rothwell
2012-02-17 13:32 ` Konstantin Khlebnikov [this message]
2012-02-17 13:44 ` Sam Ravnborg
2012-02-17 23:39 ` Stephen Rothwell
2012-02-17 20:30 ` Andrew Morton
2012-02-19 17:01 ` Geert Uytterhoeven
2012-02-19 18:12 ` Randy Dunlap
2012-02-19 23:21 ` Arnaud Lacombe
2012-02-20 14:24 ` Michal Marek
2012-02-19 23:04 ` linux-next: build failure after merge of the final tree (akpm tree related) Stephen Rothwell
2012-02-19 23:15 ` Andrew Morton
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