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Thread-Topic: [rgushchin:release_percpu 321/401] ERROR: "dma_fence_release" [drivers/misc/habanalabs/habanalabs.ko] undefined! 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Thank you for sharing this information! Tbh, I was surprised that the kbuild test robot did cc Andrew and others, a= s it's my private repo, and I didn't send these patches publicly yet. Anyway, thank you for looking= into the problem. Thanks! Roman ________________________________ From: Oded Gabbay Sent: Saturday, March 2, 2019 1:09:09 AM To: Roman Gushchin; Andrew Morton Cc: Linux Memory Management List; Johannes Weiner Subject: Re: [rgushchin:release_percpu 321/401] ERROR: "dma_fence_release" = [drivers/misc/habanalabs/habanalabs.ko] undefined! On Sat, Mar 2, 2019 at 3:42 AM kbuild test robot wrote: > > Hi Andrew, > > First bad commit (maybe !=3D root cause): > > tree: https://github.com/rgushchin/linux.git release_percpu > head: 8b287c57af99a4642cdf70b3b1a5ab1d90877bba > commit: 773ae09cc9c61b8f7dc983e9a1d4ce5abbd6339d [321/401] linux-next-rej= ects > 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=3Dx86_64 > > All errors (new ones prefixed by >>): > > >> ERROR: "dma_fence_release" [drivers/misc/habanalabs/habanalabs.ko] und= efined! > >> ERROR: "dma_fence_init" [drivers/misc/habanalabs/habanalabs.ko] undefi= ned! > >> ERROR: "dma_fence_signal" [drivers/misc/habanalabs/habanalabs.ko] unde= fined! > >> 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 Ce= nter > https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__lists.01.org_piper= mail_kbuild-2Dall&d=3DDwIBaQ&c=3D5VD0RTtNlTh3ycd41b3MUw&r=3DjJYgtDM7QT-W-Fz= _d29HYQ&m=3DHPA84jVOmuSotww9zAhO59SftxRFVUYNTjerZypaw8k&s=3Ds7A8kZ6RjzQwYxs= jp9zi0KTzwWbmVFkEPUDEvtz7rzA&e=3D 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 --_000_BYAPR15MB2631C71F48BD77C8B86DE813BE770BYAPR15MB2631namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Oded!


Thank you for sharing this i= nformation!


Tbh, I was surprised that the kbu= ild test robot did cc Andrew and others, as it's my private repo,

and I didn't send these patches p= ublicly yet. Anyway, thank you for looking into the problem.


Thanks!

Roman

From: Oded Gabbay <oded.= gabbay@gmail.com>
Sent: Saturday, March 2, 2019 1:09:09 AM
To: Roman Gushchin; Andrew Morton
Cc: Linux Memory Management List; Johannes Weiner
Subject: Re: [rgushchin:release_percpu 321/401] ERROR: "dma_fen= ce_release" [drivers/misc/habanalabs/habanalabs.ko] undefined!
 
On Sat, Mar 2, 2019 at 3:42 AM kbuild test robot &= lt;lkp@intel.com> wrote:
>
> Hi Andrew,
>
> First bad commit (maybe !=3D root cause):
>
> tree:   h= ttps://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 773ae09cc= 9c61b8f7dc983e9a1d4ce5abbd6339d
>         # save the attached .c= onfig to linux build tree
>         make ARCH=3Dx86_64
>
> All errors (new ones prefixed by >>):
>
> >> ERROR: "dma_fence_release" [drivers/misc/habanalabs= /habanalabs.ko] undefined!
> >> ERROR: "dma_fence_init" [drivers/misc/habanalabs/ha= banalabs.ko] undefined!
> >> ERROR: "dma_fence_signal" [drivers/misc/habanalabs/= habanalabs.ko] undefined!
> >> ERROR: "dma_fence_default_wait" [drivers/misc/haban= alabs/habanalabs.ko] undefined!
> >> ERROR: "dma_fence_wait_timeout" [drivers/misc/haban= alabs/habanalabs.ko] undefined!
>
> ---
> 0-DAY kernel test infrastructure      &n= bsp;         Open Source Technology= Center
> https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__lists.01.org_piperma= il_kbuild-2Dall&d=3DDwIBaQ&c=3D5VD0RTtNlTh3ycd41b3MUw&r=3DjJYgt= DM7QT-W-Fz_d29HYQ&m=3DHPA84jVOmuSotww9zAhO59SftxRFVUYNTjerZypaw8k&s= =3Ds7A8kZ6RjzQwYxsjp9zi0KTzwWbmVFkEPUDEvtz7rzA&e=3D  &nbs= p;            &= nbsp;   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
--_000_BYAPR15MB2631C71F48BD77C8B86DE813BE770BYAPR15MB2631namp_--