linux-kernel - Re: [stable] RFC: deprecate CONFIG_X86_CPU_DEBUG and schedule it for rapid removal

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Message-ID: <4B5A5631.7020706@zytor.com>
Date:	Fri, 22 Jan 2010 17:51:45 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Greg KH <greg@...ah.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>, a.p.zijlstra@...llo.nl,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Ozan Çağlayan <ozan@...dus.org.tr>,
	Jaswinder Singh Rajput <jaswinder@...nel.org>, mingo@...e.hu,
	Yinghai Lu <yinghai@...nel.org>, stable@...nel.org
Subject: Re: [stable] RFC: deprecate CONFIG_X86_CPU_DEBUG and schedule it
 for rapid removal

On 01/22/2010 05:20 PM, Greg KH wrote:
> On Fri, Jan 22, 2010 at 05:05:08PM -0800, H. Peter Anvin wrote:
>> On 01/22/2010 04:53 PM, Andrew Morton wrote:
>>>
>>> Would it not be better to fix that problem (perhaps just with the
>>> revert) so that 2.6.33, 2.6.32.x and earlier can be fixed?  Then we can
>>> nuke the feature in 2.6.34.
>>>
>>> Alternatively, we can nuke the feature from 2.6.33 and 2.6.32.x and
>>> earlier right now.  Where "nuke" might mean "make it difficult to
>>> enable".
>>>
>>> Whatever.  Bottom line is that it'd be nice to do something to fix up
>>> 2.6.33 and earlier.
>>>
>>
>> I would be all for nuking the feature immediately.  The easiest way to
>> nuke the feature quickly is to make it a noninteractive Kconfig feature.
>>
>> All in favor?
> 
> /me raises his hand.
> 
> A Kconfig change would be nice to have.
> 

I take that as an Acked-by: ...

	-hpa
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