linux-kernel - Re: [PATCH 1/4] xen: x86: set the config XEN

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Date:   Wed, 10 Aug 2022 09:07:07 +0200
From:   Jan Beulich <jbeulich@...e.com>
To:     Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H . Peter Anvin" <hpa@...or.com>, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, Juergen Gross <jgross@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH 1/4] xen: x86: set the config XEN_512GB after config
 change

On 10.08.2022 07:07, Lukas Bulwahn wrote:
> --- a/arch/x86/configs/xen.config
> +++ b/arch/x86/configs/xen.config
> @@ -14,7 +14,7 @@ CONFIG_CPU_FREQ=y
>  
>  # x86 xen specific config options
>  CONFIG_XEN_PVH=y
> -CONFIG_XEN_MAX_DOMAIN_MEMORY=500
> +CONFIG_XEN_512GB=y

Does this actually need setting here? The option's default is y, so
it ought to be turned on "automatically". Hence I think it's only
the stale line which wants deleting.

Jan