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From:   Mathieu Malaterre <malat@debian.org>
Date:   Wed, 29 Aug 2018 10:06:46 +0200
Message-ID: <CA+7wUsxE5gUXuUzkZ5bjz_d5WXab8RQxF3bre_DAMpUW=QpKTg@mail.gmail.com>
Subject: Re: [RFT] powerpc/boot: Fix missing crc32poly.h when building with KERNEL_XZ
To:     Krzysztof Kozlowski <krzk@kernel.org>
Cc:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        LKML <linux-kernel@vger.kernel.org>, mkubecek@suse.cz,
        Meelis Roos <mroos@linux.ee>
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On Wed, Aug 29, 2018 at 9:59 AM Krzysztof Kozlowski <krzk@kernel.org> wrote:
>
> On Wed, 29 Aug 2018 at 09:32, Krzysztof Kozlowski <krzk@kernel.org> wrote:
> >
> > After commit faa16bc404d7 ("lib: Use existing define with
> > polynomial") the lib/xz/xz_crc32.c includes a header from include/linux
> > directory thus any other user of this code should define proper include
> > path.
> >
> > This fixes the build error on powerpc with CONFIG_KERNEL_XZ:
> >
> >     In file included from ../arch/powerpc/boot/../../../lib/decompress_unxz.c:233:0,
> >                      from ../arch/powerpc/boot/decompress.c:42:
> >     ../arch/powerpc/boot/../../../lib/xz/xz_crc32.c:18:29: fatal error: linux/crc32poly.h: No such file or directory
> >
> > Reported-by: Michal Kubecek <mkubecek@suse.cz>
>
> Reported earlier by Kbuild:
> https://lkml.org/lkml/2018/8/23/47
>
> for the credits:
> Reported-by: kbuild test robot <lkp@intel.com>

Technically Meelis reported it earlier:

https://lkml.org/lkml/2018/8/22/365

;)