linux-kernel - Re: [PATCH v4 6/6] x86/microcode/intel: Print when early microcode loading fails

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Message-ID: <Y8cUfeqeCQLORhbr@a4bf019067fa.jf.intel.com>
Date:   Tue, 17 Jan 2023 13:34:53 -0800
From:   Ashok Raj <ashok.raj@...el.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Dave Hansen <dave.hansen@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        X86-kernel <x86@...nel.org>,
        LKML Mailing List <linux-kernel@...r.kernel.org>,
        Tony Luck <tony.luck@...el.com>,
        Ingo Molnar <mingo@...nel.org>, <alison.schofield@...el.com>,
        <reinette.chatre@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        "Ashok Raj" <ashok.raj@...el.com>
Subject: Re: [PATCH v4 6/6] x86/microcode/intel: Print when early microcode
 loading fails

On Tue, Jan 17, 2023 at 10:06:29PM +0100, Borislav Petkov wrote:
> On Tue, Jan 17, 2023 at 12:40:30PM -0800, Ashok Raj wrote:
> > We just agreed to show both failed and success for late-load.
> 
> Did you read the part you snipped about getting false/misleading bug reports? I
> doubt it, as usual.
> 
> If you all Intel folks want to deal with people asking why is there a warning
> message about microcode not loading successfully, I don't mind forwarding you
> all those messages. I sure ain't going to deal with them.

TBH, there is nothing to hide from a microcode loading failure. If user
sees that a loading failed, it could be maybe due to corrupted files and
its best to know and update to proper file vs running without the latest
microcode file always.