linux-kernel - Re: cpu2000(both float and int) 13% regression with 2.6.28-rc1

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Date:	Thu, 30 Oct 2008 18:08:16 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
CC:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	Ingo Molnar <mingo@...e.hu>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Roland McGrath <roland@...hat.com>,
	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: cpu2000(both float and int) 13% regression with 2.6.28-rc1

Pallipadi, Venkatesh wrote:
> 
> We figured out that this is not related to signals. But to this mismerge here
> 
>>  +#define X86_FEATURE_AMDC1E  (3*32+21) /* AMD C1E detected */
>> + #define X86_FEATURE_XTOPOLOGY       (3*32+21) /* cpu topology enum extensions */
> 
> I had earler sent a patch to fix this.
> http://marc.info/?l=linux-kernel&m=122341178202930&w=2
> 
> But, somehow I don’t see this patch either in Linus's git or in tip.
> 
> ingo, hpa: Can you push that patch along.
> 

OK, thought it already had been.  I will investigate later tonight.

	-hpa

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