linux-kernel - Re: [PATCH] x86/MCE: Fix CPU microcode version output

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Message-ID: <20180703214300.GA15087@zn.tnic>
Date:   Tue, 3 Jul 2018 23:43:00 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     Prarit Bhargava <prarit@...hat.com>, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-edac@...r.kernel.org, Filippo Sironi <sironi@...zon.de>
Subject: Re: [PATCH] x86/MCE: Fix CPU microcode version output

On Tue, Jul 03, 2018 at 09:58:49AM -0700, Luck, Tony wrote:
> On Tue, Jul 03, 2018 at 12:48:44PM -0400, Prarit Bhargava wrote:
> > On systems where a runtime microcode update has occurred the
> > microcode version is wrong because boot_cpu_data.microcode is
> > not updated during runtime.
> > 
> > Use the per-CPU microcode version in the MCE message.
> 
> Other option would be to fix the microcode update code to make
> sure that boot_cpu_data.microcode is right.

Yes, I already requested that:

https://lkml.kernel.org/r/1527852626-7258-1-git-send-email-sironi@amazon.de

Looks like Filippo has a patch already. CCed.

-- 
Regards/Gruss,
    Boris.

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