linux-kernel - Re: [PATCH 3/3] x86/microcode: Deprecate MICROCODE_OLD

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Date:   Fri, 5 Apr 2019 23:53:41 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Borislav Petkov <bp@...en8.de>
cc:     LKML <linux-kernel@...r.kernel.org>, Jann Horn <jannh@...gle.com>,
        X86 ML <x86@...nel.org>
Subject: Re: [PATCH 3/3] x86/microcode: Deprecate MICROCODE_OLD_INTERFACE

On Fri, 5 Apr 2019, Borislav Petkov wrote:

> From: Borislav Petkov <bp@...e.de>
> 
> This is the ancient loading interface which requires special tools to be
> used. The bigger problem with it is that it is as inadequate for proper
> loading of microcode as the late microcode loading interface is because
> it happens just as late.
> 
> iucode_tool's manpage already warns people that it is deprecated.
> 
> Deprecate it and turn it off by default along with a big warning in the
> Kconfig help. It will go away sometime in the future.
> 
> Signed-off-by: Borislav Petkov <bp@...e.de>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>