linux-kernel - Re: [linux-next][PPC][bisected c7d8b7][gcc 6.4.1] build error at drivers/gpu/drm/amd/amdgpu/amdgpu

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Date:   Thu, 22 Aug 2019 16:00:24 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Abdul Haleem <abdhalee@...ux.vnet.ibm.com>
Cc:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-next <linux-next@...r.kernel.org>, jgg@...lanox.com,
        rcampbell@...dia.com
Subject: Re: [linux-next][PPC][bisected c7d8b7][gcc 6.4.1] build error at
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:1471

Hi Abdul,

On Thu, 22 Aug 2019 11:16:51 +0530 Abdul Haleem <abdhalee@...ux.vnet.ibm.com> wrote:
>
> Today's linux-next kernel 5.3.0-rc5-next-20190820 failed to build on my
> powerpc machine
> 
> Build errors:
> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c: In function amdgpu_exit:
> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:1471:2: error: implicit
> declaration of function mmu_notifier_synchronize
> [-Werror=implicit-function-declaration]
>   mmu_notifier_synchronize();
>   ^~~~~~~~~~~~~~~~~~~~~~~~ 
> cc1: some warnings being treated as errors
> make[4]: *** [drivers/gpu/drm/amd/amdgpu/amdgpu_drv.o] Error 1
> make[3]: *** [drivers/gpu/drm/amd/amdgpu] Error 2
> 
> It was introduced with commit c7d8b7 (hmm: use mmu_notifier_get/put for
> 'struct hmm')

This should have been fixed in next-20190821.

-- 
Cheers,
Stephen Rothwell

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