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Date:   Fri, 21 Jan 2022 22:53:23 +0100
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Subject: Re: [next] parisc: allnoconfig: ERROR: modpost: Section mismatches
 detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.
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To:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        John David Anglin <dave.anglin@bell.net>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        regressions@lists.linux.dev, lkft-triage@lists.linaro.org,
        Linux PM <linux-pm@vger.kernel.org>,
        linux-fsdevel@vger.kernel.org,
        linux-parisc <linux-parisc@vger.kernel.org>
Cc:     Alexander Viro <viro@zeniv.linux.org.uk>, pavel@ucw.cz,
        rppt@kernel.org, Andrew Morton <akpm@linux-foundation.org>,
        linux-mm <linux-mm@kvack.org>,
        Anders Roxell <anders.roxell@linaro.org>,
        Deller <deller@kernel.org>,
        James Bottomley <James.Bottomley@hansenpartnership.com>
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From:   Helge Deller <deller@gmx.de>
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On 1/21/22 16:24, Naresh Kamboju wrote:
> On Fri, 21 Jan 2022 at 13:16, Naresh Kamboju <naresh.kamboju@linaro.org>=
 wrote:
>>
>> Linux next-20220121 parisc allnoconfig build failed with gcc-9/10/11.
>>
>> make --silent --keep-going --jobs=3D8 ARCH=3Dparisc
>> CROSS_COMPILE=3Dhppa-linux-gnu- 'CC=3Dsccache hppa-linux-gnu-gcc'
>> 'HOSTCC=3Dsccache gcc'
>>
>> WARNING: modpost: vmlinux.o(.text+0x1c8): Section mismatch in
>> reference from the function ksys_sync() to the function
>> .init.text:memblock_alloc_try_nid()
>> The function ksys_sync() references
>> the function __init memblock_alloc_try_nid().
>> This is often because ksys_sync lacks a __init
>> annotation or the annotation of memblock_alloc_try_nid is wrong.
>>
>> ERROR: modpost: Section mismatches detected.
>> Set CONFIG_SECTION_MISMATCH_WARN_ONLY=3Dy to allow them.
>> make[2]: *** [/builds/linux/scripts/Makefile.modpost:59:
>> vmlinux.symvers] Error 1
>
> Anders bisected this build and the first bad commit is point to,
>
> first bad commit: [4f05e5a3946923676e147ad0e33c80df8249b2fe]
> parisc: Drop __init from map_pages declaration

I've dropped that patch for now. Will need some time to find
the best solution.

Helge