linux-kernel - Re: [PATCH] x86/microcode: move @microcode

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Message-ID: <20230324120019.GAZB2Q09ODVq0iYz5l@fat_crate.local>
Date:   Fri, 24 Mar 2023 13:00:19 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/microcode: move @microcode_mutex definition near
 usage

On Fri, Mar 24, 2023 at 11:47:20AM +0000, John Ogness wrote:
> If CONFIG_MICROCODE_LATE_LOADING is not enabled, the compiler warns:
> 
> 'microcode_mutex' defined but not used

How do you trigger this? I haven't seen this until now in my builds and
CONFIG_MICROCODE_LATE_LOADING is not enabled here either in most
cases:

CONFIG_MICROCODE=y
CONFIG_MICROCODE_INTEL=y
CONFIG_MICROCODE_AMD=y
# CONFIG_MICROCODE_LATE_LOADING is not set

-- 
Regards/Gruss,
    Boris.

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