linux-kernel - Re: [PATCH v2] kexec: allow KEXEC_HANDOVER to build with COMPILE

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Message-ID: <aYbsZjvXyHzXZP96@kernel.org>
Date: Sat, 7 Feb 2026 09:40:22 +0200
From: Mike Rapoport <rppt@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: pasha.tatashin@...een.com, pratyush@...nel.org,
	linux-kernel@...r.kernel.org, surenb@...gle.com
Subject: Re: [PATCH v2] kexec: allow KEXEC_HANDOVER to build with COMPILE_TEST

On Fri, Feb 06, 2026 at 04:52:44PM -0500, Sasha Levin wrote:
> Currently allmodconfig sets CONFIG_DEFERRED_STRUCT_PAGE_INIT which prevents KHO
> from building.
> 
> Signed-off-by: Sasha Levin <sashal@...nel.org>

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

> ---
> Changes since v1:
> - Only add COMPILE_TEST to the DEFERRED_STRUCT_PAGE_INIT guards.
> 
>  kernel/liveupdate/Kconfig | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/liveupdate/Kconfig b/kernel/liveupdate/Kconfig
> index d2aeaf13c3acb..a5d5391e9cf76 100644
> --- a/kernel/liveupdate/Kconfig
> +++ b/kernel/liveupdate/Kconfig
> @@ -1,12 +1,12 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  
>  menu "Live Update and Kexec HandOver"
> -	depends on !DEFERRED_STRUCT_PAGE_INIT
> +	depends on !DEFERRED_STRUCT_PAGE_INIT || COMPILE_TEST
>  
>  config KEXEC_HANDOVER
>  	bool "kexec handover"
>  	depends on ARCH_SUPPORTS_KEXEC_HANDOVER && ARCH_SUPPORTS_KEXEC_FILE
> -	depends on !DEFERRED_STRUCT_PAGE_INIT
> +	depends on !DEFERRED_STRUCT_PAGE_INIT || COMPILE_TEST
>  	select MEMBLOCK_KHO_SCRATCH
>  	select KEXEC_FILE
>  	select LIBFDT
> -- 
> 2.51.0
> 

-- 
Sincerely yours,
Mike.