linux-kernel - Re: [PATCH] xtensa: Fix section mismatch between memblock_reserve and mem

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Date:   Thu, 30 May 2019 07:13:20 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Chris Zankel <chris@...kel.net>,
        "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@...ux-xtensa.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] xtensa: Fix section mismatch between memblock_reserve and mem_reserve

Hi Guenter,

On Thu, May 30, 2019 at 5:41 AM Guenter Roeck <linux@...ck-us.net> wrote:
>
> Since commit 9012d011660ea5cf2 ("compiler: allow all arches to enable
> CONFIG_OPTIMIZE_INLINING"), xtensa:tinyconfig fails to build with section
> mismatch errors.
>
> WARNING: vmlinux.o(.text.unlikely+0x68): Section mismatch in reference
>         from the function ___pa()
>         to the function .meminit.text:memblock_reserve()
> WARNING: vmlinux.o(.text.unlikely+0x74): Section mismatch in reference
>         from the function mem_reserve()
>         to the function .meminit.text:memblock_reserve()
> FATAL: modpost: Section mismatches detected.
>
> This was not seen prior to the above mentioned commit because mem_reserve()
> was always inlined.
>
> Mark mem_reserve(() as __init_memblock to have it reside in the same
> section as memblock_reserve().
>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>  arch/xtensa/kernel/setup.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Thank you for this fix! Applied to my xtensa tree.

-- 
Thanks.
-- Max