linux-kernel - Re: "Pick the right alignment default when creating dax devices" failed to build on powerpc

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Date:   Fri, 20 Sep 2019 11:31:16 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Qian Cai <cai@....pw>
Cc:     "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: "Pick the right alignment default when creating dax devices"
 failed to build on powerpc

On Fri, Sep 20, 2019 at 11:18 AM Qian Cai <cai@....pw> wrote:
>
> On Fri, 2019-09-20 at 19:55 +0530, Aneesh Kumar K.V wrote:
> > Qian Cai <cai@....pw> writes:
> >
> > > The linux-next commit "libnvdimm/dax: Pick the right alignment default when
> > > creating dax devices" causes powerpc failed to build with this config. Reverted
> > > it fixed the issue.
> > >
> > > ERROR: "hash__has_transparent_hugepage" [drivers/nvdimm/libnvdimm.ko] undefined!
> > > ERROR: "radix__has_transparent_hugepage" [drivers/nvdimm/libnvdimm.ko]
> > > undefined!
> > > make[1]: *** [scripts/Makefile.modpost:93: __modpost] Error 1
> > > make: *** [Makefile:1305: modules] Error 2
> > >
> > > [1] https://patchwork.kernel.org/patch/11133445/
> > > [2] https://raw.githubusercontent.com/cailca/linux-mm/master/powerpc.config
> >
> > Sorry for breaking the build. How about?
>
> It works fine.

Thanks, but let's delay "libnvdimm/dax: Pick the right alignment
default when creating dax devices" until after -rc1 to allow Michael
time to ack/nak this new export.