linux-kernel - Re: [PATCH v3 3/6] x86/microcode: Display revisions only when update is successful

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Message-ID: <Y7iIZHa0fuJkHHjz@zn.tnic>
Date:   Fri, 6 Jan 2023 21:45:24 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Ashok Raj <ashok.raj@...el.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>, X86-kernel <x86@...nel.org>,
        LKML Mailing List <linux-kernel@...r.kernel.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH v3 3/6] x86/microcode: Display revisions only when update
 is successful

On Fri, Jan 06, 2023 at 12:29:00PM -0800, Ashok Raj wrote:
> Yes, that makes sense, Do you think we can add a note that the loading
> failed? since the old -> new, new is coming from new microcode rev.

It has failed when

old == new.

I.e.,

	"microcode revision: 0x1a -> 0x1a"

when the current revision on the CPU is 0x1a.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette