linux-kernel - Re: Build regressions/improvements in v5.10-rc1

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Date:   Mon, 26 Oct 2020 15:17:29 -0500
From:   Nathan Lynch <nathanl@...ux.ibm.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Scott Cheloha <cheloha@...ux.ibm.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Build regressions/improvements in v5.10-rc1

Geert Uytterhoeven <geert@...ux-m68k.org> writes:
> On Mon, Oct 26, 2020 at 10:46 AM Geert Uytterhoeven
> <geert@...ux-m68k.org> wrote:
>> Below is the list of build error/warning regressions/improvements in
>> v5.10-rc1[1] compared to v5.9[2].
>>
>> Summarized:
>>   - build errors: +3/-7
>>   - build warnings: +26/-28
>>
>> Happy fixing! ;-)
>>
>> Thanks to the linux-next team for providing the build service.
>>
>> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/3650b228f83adda7e5ee532e2b90429c03f7b9ec/ (all 192 configs)
>> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/bbf5c979011a099af5dc76498918ed7df445635b/ (all 192 configs)
>>
>>
>> *** ERRORS ***
>>
>> 3 error regressions:
>>   + /kisskb/src/arch/um/kernel/skas/clone.c: error: expected declaration specifiers or '...' before string constant:  => 24:16
>
> um-all{mod,yes}config
>
>>   + error: hotplug-memory.c: undefined reference to `of_drconf_to_nid_single':  => .text+0x5e0)
>
> powerpc-gcc5/pseries_le_defconfig+NO_NUMA

Probably introduced by:

commit 72cdd117c449896c707fc6cfe5b90978160697d0
Author: Scott Cheloha <cheloha@...ux.ibm.com>
Date:   Wed Sep 16 09:51:22 2020 -0500

    pseries/hotplug-memory: hot-add: skip redundant LMB lookup

Scott?