linux-kernel - Re: [PATCH RFC 04/35] x86/Kconfig: drop superfluous "select SPARSEMEM

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Message-ID: <aKiIsF8mpeUy-8zt@kernel.org>
Date: Fri, 22 Aug 2025 18:11:44 +0300
From: Mike Rapoport <rppt@...nel.org>
To: David Hildenbrand <david@...hat.com>
Cc: linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Alexander Potapenko <glider@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Brendan Jackman <jackmanb@...gle.com>,
	Christoph Lameter <cl@...two.org>, Dennis Zhou <dennis@...nel.org>,
	Dmitry Vyukov <dvyukov@...gle.com>, dri-devel@...ts.freedesktop.org,
	intel-gfx@...ts.freedesktop.org, iommu@...ts.linux.dev,
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Subject: Re: [PATCH RFC 04/35] x86/Kconfig: drop superfluous "select
 SPARSEMEM_VMEMMAP"

On Thu, Aug 21, 2025 at 10:06:30PM +0200, David Hildenbrand wrote:
> Now handled by the core automatically once SPARSEMEM_VMEMMAP_ENABLE
> is selected.
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Signed-off-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Mike Rapoport (Microsoft) <rppt@...nel.org>

> ---
>  arch/x86/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 58d890fe2100e..e431d1c06fecd 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1552,7 +1552,6 @@ config ARCH_SPARSEMEM_ENABLE
>  	def_bool y
>  	select SPARSEMEM_STATIC if X86_32
>  	select SPARSEMEM_VMEMMAP_ENABLE if X86_64
> -	select SPARSEMEM_VMEMMAP if X86_64
>  
>  config ARCH_SPARSEMEM_DEFAULT
>  	def_bool X86_64 || (NUMA && X86_32)
> -- 
> 2.50.1
> 

-- 
Sincerely yours,
Mike.