linux-kernel - Re: [PATCH v12 00/18] Enable FSGSBASE instructions

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Message-Id: <1E7D7170-7F5D-4A9F-951B-CA53EBF6F674@gmail.com>
Date:   Mon, 25 May 2020 14:56:39 -0700
From:   Tony Luck <tony.luck@...il.com>
To:     Richard Weinberger <richard.weinberger@...il.com>
Cc:     Sasha Levin <sashal@...nel.org>, "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Don Porter <porter@...unc.edu>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        "Bae, Chang Seok" <chang.seok.bae@...el.com>
Subject: Re: [PATCH v12 00/18] Enable FSGSBASE instructions

      pr_warn("** If you see this message and you are not debugging    **\n");
>        pr_warn("** the kernel, report this immediately to your vendor!  **\n");
>        pr_warn("**                                                      **\n");
>        pr_warn("**   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **\n");
>        pr_warn("**********************************************************\n");
> 
> Maybe we can add something like this for taints too? :-)
> 

For TAINT_ROOTHOLE the severity should be “pr_emerg”.  The message should repeat every five minutes.

-Tony