linux-kernel - Re: [patch 08/30] x86/microcode/intel: Rip out mixed stepping support for Intel CPUs

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Date:   Sat, 12 Aug 2023 09:16:07 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Borislav Petkov <bp@...en8.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Ashok Raj <ashok.raj@...el.com>,
        Arjan van de Ven <arjan@...ux.intel.com>
Subject: Re: [patch 08/30] x86/microcode/intel: Rip out mixed stepping
 support for Intel CPUs

On Sat, Aug 12 2023 at 00:25, Borislav Petkov wrote:
> On Thu, Aug 10, 2023 at 08:37:38PM +0200, Thomas Gleixner wrote:
> I'm confused: when you look at those statements when this patch is
> applied, they look like this:
>
>                 /* BSP scan: Check whether there is newer microcode */
>                 if (save && cur_rev >= mc_header->rev)
>                         goto next;

Bah. this clearly must be !save here.

> Uff, this function is ugly and can be simplified. Perhaps that happens
> later.

Yes, it is cleaned up later. I tried it the other way round, but that
didn't really work out.

Thanks,

        tglx