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

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Message-ID: <20200311095319.30e14ac0@canb.auug.org.au>
Date:   Wed, 11 Mar 2020 09:53:19 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nicolas Pitre <nico@...xnic.net>
Subject: linux-next: build failure after merge of the kbuild tree

Hi all,

After merging the kbuild tree, today's linux-next build (x86_64
allmodconfig) failed like this:

x86_64-linux-gnu-ld: net/core/devlink.o: in function `devlink_trap_report':
(.text+0x4e7e): undefined reference to `net_dm_hw_report'

Caused by commit

  af20db858358 ("kconfig: allow symbols implied by y to become m")

At least, reverting that commit (and commit

  d590d0a6e6fe ("kconfig: make 'imply' obey the direct dependency"))

allows the build to work.

Advice, please.  Does someone need to audit all the uses of "imply"?

-- 
Cheers,
Stephen Rothwell

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