linux-kernel - Re: [patch] x86: allow ZONE

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Message-ID: <4CB7418C.7010505@zytor.com>
Date:	Thu, 14 Oct 2010 10:44:44 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Pekka Enberg <penberg@...nel.org>
CC:	David Rientjes <rientjes@...gle.com>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Casey Dahlin <cdahlin@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] x86: allow ZONE_DMA to be configurable

On 10/14/2010 09:00 AM, Pekka Enberg wrote:
> On 10/13/2010 09:46 PM, David Rientjes wrote:
>>> I'm not running a CONFIG_EMBEDDED kernel and I'm pretty sure Casey isn't
>>> either, so we'd still need to carry our own patches to change the Kconfig
>>> bool line anyway.
>>>
>>> I'm suprised that we can't allow users who definitively know that they
>>> have no hardware limitations the ability to disable ZONE_DMA.  Would a
>>> strong caution in the Kconfig "help" text suffice or will you not be
>>> convinced?
> 
> On Thu, Oct 14, 2010 at 6:38 PM, H. Peter Anvin <hpa@...or.com> wrote:
>> CONFIG_EMBEDDED *is* "I am a user who (think I) know what I'm doing".
>> That is *what it is* and *all it is*.
> 
> Yup. The naming is quite unfortunate, though. Can we change it to
> something else?
> 

Funny, this seems to come up repeatedly ;)

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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