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Date:   Tue, 19 Jan 2021 13:06:47 +0100
From:   Borislav Petkov <>
To:     Jürgen Groß <>
Cc:,,, Thomas Gleixner <>,
        Ingo Molnar <>,
        "H. Peter Anvin" <>
Subject: Re: [PATCH v3 07/15] x86/alternative: support "not feature" and

On Tue, Jan 19, 2021 at 12:35:42PM +0100, Jürgen Groß wrote:
> In fact this should rather be named "X86_FEATURE_TRUE", as this is its
> semantics.
> And I think I can define it to the value 0xffff instead of using a
> "real" bit for it.

A real bit is cheap - a special value to pay attention to in the future
not so much. Also we do have X86_FEATURE_ALWAYS already which has a
similar purpose...


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