linux-kernel - Re: [PATCH V2] x86/split_lock: Add sysctl to control the misery mode

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Message-ID: <ca4b6a18-a44a-e248-f648-674e3805687a@igalia.com>
Date:   Fri, 14 Oct 2022 15:20:26 -0300
From:   "Guilherme G. Piccoli" <gpiccoli@...lia.com>
To:     André Almeida <andrealmeid@...lia.com>
Cc:     tglx@...utronix.de, mingo@...hat.com, linux-kernel@...r.kernel.org,
        x86@...nel.org, bp@...en8.de, dave.hansen@...ux.intel.com,
        hpa@...or.com, luto@...nel.org, corbet@....net,
        linux-doc@...r.kernel.org, kernel-dev@...lia.com,
        kernel@...ccoli.net, Fenghua Yu <fenghua.yu@...el.com>,
        Joshua Ashton <joshua@...ggi.es>,
        Melissa Wen <mwen@...lia.com>,
        Paul Gofman <pgofman@...eweavers.com>,
        Pavel Machek <pavel@...x.de>,
        Pierre-Loup Griffais <pgriffais@...vesoftware.com>,
        Tony Luck <tony.luck@...el.com>,
        Zebediah Figura <zfigura@...eweavers.com>
Subject: Re: [PATCH V2] x86/split_lock: Add sysctl to control the misery mode

On 14/10/2022 15:17, André Almeida wrote:
> [...]
> 
> Tested-by: André Almeida <andrealmeid@...lia.com>
> 
> Tested on an Intel i7-1165G7 using a small benchmarking script, the 
> behavior is effectively reverted when using the sysctl option.
> 
> Also, you might want to document this option somewhere? Maybe at 
> Documentation/admin-guide/sysctl/kernel.rst

Thanks André!

About documenting, it seems it's already done in the patch, right?
Cheers,


Guilherme