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Subject: Re: svn commit: r348109 - in head/sys/x86: include x86
To: Andriy Gapon <avg@FreeBSD.org>, src-committers@freebsd.org,
 svn-src-all@freebsd.org, svn-src-head@freebsd.org
References: <201905221344.x4MDiGGV056469@repo.freebsd.org>
 <00116a41-d811-cda9-304e-589738c54508@FreeBSD.org>
From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Thu, 23 May 2019 10:10:31 -0400
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On 2019-05-22 13:09, Andriy Gapon wrote:
> On 22/05/2019 16:44, Andrew Gallatin wrote:
>>    This is needed for AMD SMCA processors, as SMCA uses different
>>    MSR address for access MCA banks.
> 
> Just curious, what is SMCA?
> 
> 

" Scalable Machine Check Architecture "

See 
https://www.nextplatform.com/2017/07/12/heart-amds-epyc-comeback-infinity-fabric/

Drew