linux-kernel - Re: [RFC][PATCH 0/2] x86: Add "virt flags"

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Message-ID: <48C54527.5040205@zytor.com>
Date:	Mon, 08 Sep 2008 08:30:47 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Sheng Yang <sheng.yang@...el.com>, Avi Kivity <avi@...ranet.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH 0/2] x86: Add "virt flags"

Ingo Molnar wrote:
> 
> hm, i think extending the already existing flags category sounds like a 
> better solution than the separate virtual CPU flags line in 
> /proc/cpuinfo. We already have self-invented flag entries (such as 
> X86_FEATURE_NOPL), and adding more for virtualization would be quite 
> natural to do, as long as it's reasonably close to the meaning of a 'CPU 
> feature'.
> 
> Peter, what would be your preference?
> 

It probably makes sense to separate these out as a separate word, 
especially if they come from the hardware in any reasonable way.  But 
yes, adding them to the feature array makes sense.

	-hpa
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