linux-kernel - linux-next: build failure after merge of the btrfs tree

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Date:   Fri, 8 Oct 2021 15:03:46 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Sterba <dsterba@...e.cz>
Cc:     Qu Wenruo <wqu@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the btrfs tree

Hi all,

After merging the btrfs tree, today's linux-next build (nds32 allyesconfig
nds32le-gcc8) failed like this:

nds32le-linux-ld: fs/btrfs/lzo.o: in function `lzo_compress_pages':
(.text+0x226): undefined reference to `__umoddi3'
nds32le-linux-ld: (.text+0x22a): undefined reference to `__umoddi3'
nds32le-linux-ld: (.text+0x660): undefined reference to `__umoddi3'
nds32le-linux-ld: (.text+0x664): undefined reference to `__umoddi3'

Probably Caused by commit

  0078783c7089 ("btrfs: rework lzo_compress_pages() to make it subpage compatible")

This caused build failures in several other 32 bit architecture builds.

-- 
Cheers,
Stephen Rothwell

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