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

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Message-ID: <CA+CK2bBKUiWq4yVTk2PPJZMppGk+=Z-Lf+i_03=hu+vKGQf9ag@mail.gmail.com>
Date: Sat, 7 Feb 2026 11:06:51 -0500
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Sasha Levin <sashal@...nel.org>
Cc: rppt@...nel.org, 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 6, 2026 at 4:52 PM Sasha Levin <sashal@...nel.org> wrote:
>
> Currently allmodconfig sets CONFIG_DEFERRED_STRUCT_PAGE_INIT which prevents KHO
> from building.
>
> Signed-off-by: Sasha Levin <sashal@...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

Reviewed-by: Pasha Tatashin <pasha.tatashin@...een.com>

>         select MEMBLOCK_KHO_SCRATCH
>         select KEXEC_FILE
>         select LIBFDT
> --
> 2.51.0
>