Re: [rgushchin:release_percpu 321/401] ERROR: "dma_fence_release" [drivers/misc/habanalabs/habanalabs.ko] undefined!

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On Sat, Mar 2, 2019 at 3:42 AM kbuild test robot <lkp@xxxxxxxxx> wrote:
>
> Hi Andrew,
>
> First bad commit (maybe != root cause):
>
> tree:   https://github.com/rgushchin/linux.git release_percpu
> head:   8b287c57af99a4642cdf70b3b1a5ab1d90877bba
> commit: 773ae09cc9c61b8f7dc983e9a1d4ce5abbd6339d [321/401] linux-next-rejects
> config: x86_64-randconfig-m3-02280836 (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-5) 7.4.0
> reproduce:
>         git checkout 773ae09cc9c61b8f7dc983e9a1d4ce5abbd6339d
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
> >> ERROR: "dma_fence_release" [drivers/misc/habanalabs/habanalabs.ko] undefined!
> >> ERROR: "dma_fence_init" [drivers/misc/habanalabs/habanalabs.ko] undefined!
> >> ERROR: "dma_fence_signal" [drivers/misc/habanalabs/habanalabs.ko] undefined!
> >> ERROR: "dma_fence_default_wait" [drivers/misc/habanalabs/habanalabs.ko] undefined!
> >> ERROR: "dma_fence_wait_timeout" [drivers/misc/habanalabs/habanalabs.ko] undefined!
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Hi Roman and Andrew.
That error comes from the original patch-set of the driver, where a
there was missing "select DMA_SHARED_BUFFER" in Kconfig. So for
certain configurations, the build would fail.
This is already fixed in the current char-misc-next tree of gkh.

Thanks,
Oded




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