linux-kernel - Re: linux-next: build failure after merge of the drm-misc tree

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Message-ID: <CAPM=9tx5b1RaN5R4awqQ-BFpDrEZL1z05ZFv2MnGGS2t3mpBhQ@mail.gmail.com>
Date:   Wed, 24 Jun 2020 15:47:49 +1000
From:   Dave Airlie <airlied@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Alex Deucher <alexander.deucher@....com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Emil Velikov <emil.velikov@...labora.com>
Subject: Re: linux-next: build failure after merge of the drm-misc tree

On Wed, 24 Jun 2020 at 11:36, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> On Wed, 17 Jun 2020 10:59:29 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the drm-misc tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: In function 'amdgpu_amdkfd_gpuvm_free_memory_of_gpu':
> > drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:1357:2: error: implicit declaration of function 'drm_gem_object_put_unlocked'; did you mean 'drm_gem_object_put_locked'? [-Werror=implicit-function-declaration]
> >  1357 |  drm_gem_object_put_unlocked(&mem->bo->tbo.base);
> >       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >       |  drm_gem_object_put_locked
> >
> > Caused by commit
> >
> >   ab15d56e27be ("drm: remove transient drm_gem_object_put_unlocked()")
> >
> > interacting with commit
> >
> >   fd9a9f8801de ("drm/amdgpu: Use GEM obj reference for KFD BOs")
> >
> > from Linus' tree.
> >
> > I have applied the following merge fix up patch for today.
> >
> > From: Stephen Rothwell <sfr@...b.auug.org.au>
> > Date: Wed, 17 Jun 2020 10:55:32 +1000
> > Subject: [PATCH] drm/amdgpu: remove stray drm_gem_object_put_unlocked
> >
> > Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> > index b91b5171270f..9015c7b76d60 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> > @@ -1354,7 +1354,7 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
> >       }
> >
> >       /* Free the BO*/
> > -     drm_gem_object_put_unlocked(&mem->bo->tbo.base);
> > +     drm_gem_object_put(&mem->bo->tbo.base);
> >       mutex_destroy(&mem->lock);
> >       kfree(mem);
> >
> > --
> > 2.26.2
>
> This fix is now needed when I merge the drm tree :-(
>
> Given that the drm tree is based on v5.8-rc2 and the commit from Linus'
> tree above was merged before v5.8-rc1, the above patch should be
> applied to the drm tree (and should have been part of the patch that
> merged the drm-misc tree).  I am a bit suprised that the drm tree
> currently passes CI.

My bad, my local builds passed, as I had made the change but forgot
the commit --amend

Pushed out a new head with it in it now.

Dave.