linux-kernel - Re: [v3 01/12] taint: Introduce a new taint flag (insecure)

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Message-ID: <CALCETrWpwhe1ioxp_E6HOz1TQHOOat2pcGjGev2_baqsjvjagA@mail.gmail.com>
Date:   Wed, 24 Oct 2018 11:50:39 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     "Bae, Chang Seok" <chang.seok.bae@...el.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "Metzger, Markus T" <markus.t.metzger@...el.com>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [v3 01/12] taint: Introduce a new taint flag (insecure)

On Tue, Oct 23, 2018 at 11:43 AM Chang S. Bae <chang.seok.bae@...el.com> wrote:
>
> For testing (or root-only) purposes, the new flag will serve to tag the
> kernel taint accurately.
>
> When adding a new feature support, patches need to be incrementally
> applied and tested with temporal parameters. Currently, there is no flag
> for this usage.

I don't object to this patch per se, but it seems unnecessary to me.
Especially since, once the whole series is applied, this code is again
unused.