linux-kernel - Re: [PATCH] powerpc/64: Fix section mismatch warnings.

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Message-Id: <1585245057.hh0vutz28g.naveen@linux.ibm.com>
Date:   Thu, 26 Mar 2020 23:22:03 +0530
From:   "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>
To:     Allison Randal <allison@...utok.net>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@....fr>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Suchanek <msuchanek@...e.de>,
        Paul Mackerras <paulus@...ba.org>,
        Russell Currey <ruscur@...sell.cc>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] powerpc/64: Fix section mismatch warnings.

Michal Suchanek wrote:
> Fixes the following warnings:
> 
> WARNING: vmlinux.o(.text+0x2d24): Section mismatch in reference from the variable __boot_from_prom to the function .init.text:prom_init()
> The function __boot_from_prom() references
> the function __init prom_init().
> This is often because __boot_from_prom lacks a __init
> annotation or the annotation of prom_init is wrong.
> 
> WARNING: vmlinux.o(.text+0x2fd0): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel()
> The function start_here_common() references
> the function __init start_kernel().
> This is often because start_here_common lacks a __init
> annotation or the annotation of start_kernel is wrong.
> 
> Signed-off-by: Michal Suchanek <msuchanek@...e.de>
> ---
>  arch/powerpc/kernel/head_64.S | 4 ++++
>  1 file changed, 4 insertions(+)

Michael committed a similar patch just earlier today:
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=6eeb9b3b9ce588f14a697737a30d0702b5a20293


- Naveen