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From:   Alex Deucher <alexdeucher@gmail.com>
Date:   Mon, 22 May 2023 12:35:55 -0400
Message-ID: <CADnq5_OoGDVWX5UwV_hQQBfPorBuE2jJymMA-hW+Y3+7ni0f5g@mail.gmail.com>
Subject: Re: linux-next: build failure after merge of the amdgpu tree
To:     Nick Desaulniers <ndesaulniers@google.com>
Cc:     Alex Deucher <alexander.deucher@amd.com>,
        Felix Kuehling <Felix.Kuehling@amd.com>,
        Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>,
        Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>, llvm@lists.linux.dev,
        Linus Torvalds <torvalds@linux-foundation.org>
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On Mon, May 22, 2023 at 12:29=E2=80=AFPM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Mon, May 22, 2023 at 05:15:57PM +1000, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the amdgpu tree, today's linux-next build (arm allmodconf=
ig
> > clang-17) failed like this:
> >
> > drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c:146:54: error: format specifie=
s type 'unsigned long long' but the argument has type 'dma_addr_t' (aka 'un=
signed int') [-Werror,-Wformat]
> >
> > Caused by commit
> >
> >   d020a29b6b58 ("drm/amdgpu: Allocate GART table in RAM for AMD APU")
> >
> > Reported by the kernelci.org bot.
>
> Alex,
> This is the third report of linux-next being broken for clang due to the
> AMDGPU tree.
> 1. https://lore.kernel.org/lkml/20230522171557.32027acf@canb.auug.org.au/
> 2. https://lore.kernel.org/lkml/20230522171145.38a8bd4d@canb.auug.org.au/
> 3. https://lore.kernel.org/lkml/20230522170031.5fb87a64@canb.auug.org.au/
>
> Our CI is red as a result.
> https://github.com/ClangBuiltLinux/continuous-integration2/actions/runs/5=
045716034/jobs/9053211936
>
> When will AMD start testing their kernels with Clang?

We have clang as part of our CI system and have had it for a while.
I'm not sure why it didn't catch these.  Our CI clang builds are
currently passing.

Alex

>
> >
> > --
> > Cheers,
> > Stephen Rothwell
>
> Thanks for reporting these, Stephen.