linux-kernel - Re: [PATCH] cpu/bugs: Disable CPU mitigations at compilation time

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Message-ID: <20230612115154.GEZIcG2tWkn8I0+E2t@fat_crate.local>
Date:   Mon, 12 Jun 2023 13:51:54 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     David Laight <David.Laight@...lab.com>
Cc:     Breno Leitao <leitao@...ian.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "pawan.kumar.gupta@...ux.intel.com" 
        <pawan.kumar.gupta@...ux.intel.com>,
        "paul@...l-moore.com" <paul@...l-moore.com>,
        "leit@...a.com" <leit@...a.com>, "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cpu/bugs: Disable CPU mitigations at compilation time

On Mon, Jun 12, 2023 at 11:22:15AM +0000, David Laight wrote:
> I can definitely justify compiling them all out.
> For instance embedded systems with limited userspace and
> (pretty much) everything running as root.

Nothing's stopping you from adding "mitigations=off" to your grub
config.

-- 
Regards/Gruss,
    Boris.

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