linux-kernel - Re: [v2 01/13] x86/microcode/intel: Prevent printing updated microcode rev multiple times

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Message-ID: <01fbc03e-bef0-bf07-d035-dac695800996@intel.com>
Date:   Tue, 8 Nov 2022 15:32:38 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Ashok Raj <ashok.raj@...el.com>, Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML Mailing List <linux-kernel@...r.kernel.org>,
        X86-kernel <x86@...nel.org>, Tony Luck <tony.luck@...el.com>,
        Arjan van de Ven <arjan.van.de.ven@...el.com>,
        Andy Lutomirski <luto@...nel.org>,
        Jacon Jun Pan <jacob.jun.pan@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Kai Huang <kai.huang@...el.com>,
        Andrew Cooper <andrew.cooper3@...rix.com>
Subject: Re: [v2 01/13] x86/microcode/intel: Prevent printing updated
 microcode rev multiple times

On 11/8/22 15:06, Ashok Raj wrote:
> Patch3 is a bug fix. I suspect some earlier upstream reports of ucode 
> failure after update (early loading) might be related. The symptom is 
> similar, but those are too old to followup. I got into a similare situation
> when i tried to update an incompatible uCode from initrd and system hung.

Hi Ashok,

If this really is a bug fix, could you please break it out and send it
separately along with appropriate tags like Fixes and a cc:stable@?  We
handle bug fixes differently from new features.