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

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Message-ID: <CAOSf1CHToZ5+k90n_sgh_9ezJjXpx21E5-K66TWkdU7t7kUiEw@mail.gmail.com>
Date:   Mon, 9 Apr 2018 13:38:11 +1000
From:   Oliver <oohall@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the nvdimm tree

On Mon, Apr 9, 2018 at 1:16 PM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi Dan,
>
> After merging the nvdimm tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> ERROR: "of_node_to_nid" [drivers/nvdimm/of_pmem.ko] undefined!
>
> Caused by commit
>
>   717197608952 ("libnvdimm: Add device-tree based driver")
>
> X86 seems to not have a version of of_node_to_nid() even though CONFIG_OF
> and CONFIG_NUMA are both 'y' in this build.

It's a side effect of a driver selecting CONFIG_OF accidently. There's
a patch to fix this in the drm-misc-next tree:

https://lkml.org/lkml/2018/4/3/17

> I have used the nvdimm tree from next-20180406 for today.

That works too.

Oliver