linux-kernel - Re: [PATCH 1/2] VMware detection support for x86 and x86-64

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Message-ID: <48C5C47F.5040004@zytor.com>
Date:	Mon, 08 Sep 2008 17:34:07 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yan Li <elliot.li.tech@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	joerg.roedel@....com, rjmaomao@...il.com,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>, nancydreaming@...il.com
Subject: Re: [PATCH 1/2] VMware detection support for x86 and x86-64

Yan Li wrote:
> 
> VMware may change the PCI ID at their will so I prefer checking the
> DMI since it's easier.
> 
> So if we ditched the official method we run the risk of some false
> negatives.  But checking the DMI manufacturer would be good enough.
> 

If we get false negatives that is quite frankly their problem, not ours. 
  If nothing else, we should be able to look for a host bridge with the 
VMWare vendor ID -- that should arguably be safer than DMI.

	-hpa
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