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

From: H. Peter Anvin
Date: Mon Sep 08 2008 - 11:31:32 EST

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.

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