linux-kernel - Re: [patch V3 29/30] x86/microcode: Prepare for minimal revision check

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Date:   Mon, 02 Oct 2023 11:42:27 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Borislav Petkov <bp@...en8.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        "Chang S. Bae" <chang.seok.bae@...el.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Nikolay Borisov <nik.borisov@...e.com>
Subject: Re: [patch V3 29/30] x86/microcode: Prepare for minimal revision check

On Thu, Sep 28 2023 at 13:47, Borislav Petkov wrote:
> On Tue, Sep 12, 2023 at 09:58:30AM +0200, Thomas Gleixner wrote:
>> --- a/arch/x86/kernel/cpu/microcode/core.c
>> +++ b/arch/x86/kernel/cpu/microcode/core.c
>> @@ -46,6 +46,9 @@
>>  static struct microcode_ops	*microcode_ops;
>>  static bool dis_ucode_ldr = true;
>>  
>> +bool force_minrev = IS_ENABLED(CONFIG_MICROCODE_LATE_FORCE_MINREV);
>> +module_param(force_minrev, bool, S_IRUSR | S_IWUSR);
>
> Yeah, it's not a module anymore.

module_param is not restricted to modules. You can utilize it for
builtin code too.