linux-kernel - Re: update spectre v2 microcodes blacklist

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Message-ID: <20180212141147.GA3761@localhost.localdomain>
Date:   Mon, 12 Feb 2018 17:11:47 +0300
From:   Alexander Sergeyev <sergeev917@...il.com>
To:     "Van De Ven, Arjan" <arjan.van.de.ven@...el.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>, Kyle Huey <me@...ehuey.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: update spectre v2 microcodes blacklist

>>> +{ INTEL_FAM6_BROADWELL_X,        0x01, 0x0b000023 },
>> That's redundant since blacklisting 0x0b000025 will also stop us from
>> using 0x0b000023 anyway.

>and 23 is the pre security version so known good.

But 0x0b000023 is listed under "stop deploying these MCU revs" (page 4, row 4).
Has something changed?