linux-kernel - Re: 2.6.26, PAT and AMD family 6

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Message-ID: <20080507214646.GC14951@cs181133002.pp.htv.fi>
Date:	Thu, 8 May 2008 00:46:46 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Rene Herman <rene.herman@...access.nl>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>, hpa@...or.com,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	Pavel Machek <pavel@...e.cz>
Subject: Re: 2.6.26, PAT and AMD family 6

On Wed, May 07, 2008 at 11:41:04PM +0200, Thomas Gleixner wrote:
> On Wed, 7 May 2008, Rene Herman wrote:
> > On 07-05-08 22:52, Thomas Gleixner wrote:
>...
> > > > And this patch (by the author of the code himself) is the first time where
> > > > it breaks.
> > > 
> > > Very interesting analysis. What broke ? This CPU was never in the set
> > > of supported ones at all.
> > 
> > You misunderstood. Yinghai's patch only changed one of the code sites
> > and not the others, which (if I understood right) is the breakage
> > Adrian was reffering to.
> 
> I know exactly what he was referring to. So what's the problem ?
> 
> Yinghai missed to add it to the other place and he is hardly to blame
> for that. This code is messy and thats not his fault. It will be
> cleaned up, but that's not an simple taks to do. If you think you can
> do it without breaking tons of systems, you're welcome.

It actually is completely his fault.

His commit ***added*** the three copies of the same code.

And Pavel did complain about it when it was sent to linux-kernel.

>...
> Thanks,
> 
> 	tglx

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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