linux-kernel - Re: [PATCH] drm/amdgpu: make DRM_AMD

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Message-ID: <CAK8P3a2_0bY+fmUHKjH8XCKpT1BepUGOV0HoKDSPnOvtKjA==g@mail.gmail.com>
Date:   Tue, 8 Dec 2020 15:26:21 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Christian König <christian.koenig@....com>,
        Alex Deucher <alexdeucher@...il.com>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Nathan Chancellor <natechancellor@...il.com>,
        Luben Tuikov <luben.tuikov@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Mauro Rossi <issor.oruam@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Roman Li <Roman.Li@....com>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Daniel Kolesa <daniel@...aforge.org>,
        Timothy Pearson <tpearson@...torengineering.com>
Subject: Re: [PATCH] drm/amdgpu: make DRM_AMD_DC x86-only again

On Mon, Dec 7, 2020 at 11:28 PM 'Nick Desaulniers' via Clang Built
Linux <clang-built-linux@...glegroups.com> wrote:
>
> On Mon, Dec 7, 2020 at 2:17 PM Arnd Bergmann <arnd@...nel.org> wrote:
> >
> > On Mon, Dec 7, 2020 at 11:08 PM 'Nick Desaulniers' via Clang Built
> > Linux <clang-built-linux@...glegroups.com> wrote:
> > >
> > > On Mon, Dec 7, 2020 at 1:57 PM Arnd Bergmann <arnd@...nel.org> wrote:
> >
> > > >
> > > > Right, looking at my latest randconfig logs, I see the same problem on x86
> > > > builds with clang as well, though I'm not entirely sure which other
> > > > configuration
> > > > options are needed to trigger it.
> > > >
> > > > So my patch can be disregarded, but I agree this needs a better fix,
> > > > either in clang or in the dcn driver.
> > >
> > > If you could give https://github.com/ClangBuiltLinux/frame-larger-than
> > > a spin again, I would appreciate any feedback.
> >
> > I've already tried it, but the tool doesn't seem to like me, I never
> > get the information out of it that I want. This time it failed because
> > it could not parse the .o file correctly.
>
> Can you send me a config to reproduce the .o file?

The one attached here should reproduce it on x86.

      Arnd

Download attachment "0x9077925C_defconfig" of type "application/octet-stream" (112690 bytes)