linux-kernel - Re: [regression] microcode files missing in initramfs imgages from dracut (was Re: [PATCH] x86: Clean up remaining references to CONFIG_MICROCODE

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Message-ID: <20231122115826.GAZV3s4krKXI002KQ0@fat_crate.local>
Date:   Wed, 22 Nov 2023 12:58:26 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Linux regressions mailing list <regressions@...ts.linux.dev>
Cc:     lukas.bulwahn@...il.com, dave.hansen@...ux.intel.com,
        hpa@...or.com, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, mingo@...hat.com, tglx@...utronix.de,
        x86@...nel.org
Subject: Re: [regression] microcode files missing in initramfs imgages from
 dracut (was Re: [PATCH] x86: Clean up remaining references to
 CONFIG_MICROCODE_AMD)

On Wed, Nov 22, 2023 at 10:15:42AM +0100, Linux regression tracking (Thorsten Leemhuis) wrote:
> [1] unless you fiddle with things obviously internal; not sure if this
> case would qualify for him, but somehow I doubt it -- but I might be
> wrong there.

Well, think about it - by that logic, if CONFIG_* items are an ABI, we
will never ever be able to change any of them. Now that would be awful.

> Any progress on this?

We're thinking...

We might need an official scheme of stating what any given kernel image
supports for use by external tools which need it.

> BTW: I see that this could help preventing problems like the current one
> to happen in the far future. But how would that help the current
> situation (e.g. users that have an old dracut and updated the kernel
> without updating dracut)?

Update dracut too?

-- 
Regards/Gruss,
    Boris.

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