linux-kernel - RE: [PATCH] x86/microcode: Print previous version of microcode after reload

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Message-ID: <SJ1PR11MB6083DD2543901900A37A716EFC769@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date:   Mon, 29 Aug 2022 18:17:19 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     "Raj, Ashok" <ashok.raj@...el.com>, Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>
CC:     LKML Mailing List <linux-kernel@...r.kernel.org>,
        X86-kernel <x86@...nel.org>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "Lutomirski, Andy" <luto@...capital.net>,
        Ingo Molnar <mingo@...nel.org>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: RE: [PATCH] x86/microcode: Print previous version of microcode after
 reload

> It will be useful to print both old and new versions of microcode after a
> reload is complete.

Yes, yes, yes! Many times I've had to dig deep to figure out what base microcode
was loaded by the BIOS because the early init update doesn't say what the old
version was.

Acked-by: Tony Luck <tony.luck@...el.com>

-Tony