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

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Message-ID: <ZIdJs0F8Ow4sV27r@gmail.com>
Date:   Mon, 12 Jun 2023 09:37:07 -0700
From:   Breno Leitao <leitao@...ian.org>
To:     Borislav Petkov <bp@...en8.de>, pawan.kumar.gupta@...ux.intel.com
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        pawan.kumar.gupta@...ux.intel.com, paul@...l-moore.com,
        leit@...a.com, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpu/bugs: Disable CPU mitigations at compilation time

On Mon, Jun 12, 2023 at 06:08:07PM +0200, Borislav Petkov wrote:
> On Mon, Jun 12, 2023 at 07:16:18AM -0700, Breno Leitao wrote:
> > Sorry, to waht menu specifically?
> 
> CONFIG_SPECULATION_MITIGATIONS
> 
> It even has the proper text in there, warning people.
> 
> menuconfig SPECULATION_MITIGATIONS
>         bool "Mitigations for speculative execution vulnerabilities"
>         default y
>         help
>           Say Y here to enable options which enable mitigations for
>           speculative execution hardware vulnerabilities.

I am not sure if these bugs (MDS, TAA) are speculations related. Pawan
could help us here.