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From:   Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date:   Thu, 14 Jul 2022 17:55:08 +0100
Message-ID: <CADVatmNBWnPxmMCs_LdTKgiy=+ebTZV7KT3E-62bZuK8LJyMfg@mail.gmail.com>
Subject: Re: linux-next: Tree for Jul 14
To:     Nathan Chancellor <nathan@kernel.org>
Cc:     Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        llvm@lists.linux.dev, Lukas Bulwahn <lukas.bulwahn@gmail.com>
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On Thu, Jul 14, 2022 at 5:29 PM Nathan Chancellor <nathan@kernel.org> wrote:
>
> On Thu, Jul 14, 2022 at 05:21:32PM +0100, Sudip Mukherjee wrote:
> > Hi Nathan,
> >
> > On Thu, Jul 14, 2022 at 5:05 PM Nathan Chancellor <nathan@kernel.org> wrote:
> > >
> > > Hi Sudip,
> > >
> > > On Thu, Jul 14, 2022 at 12:07:06PM +0100, Sudip Mukherjee (Codethink) wrote:
> > > > Hi Stephen,
> > > >
> > > > On Thu, Jul 14, 2022 at 06:55:14PM +1000, Stephen Rothwell wrote:
> > > > > Hi all,
> > > > >
> > > > > Changes since 20220713:
> > > >
> > > > Build failures on next-20220714:
> > >
> > > <snip>
> > >
> > > > x86_64 allmodconfig with clang fails with:
> > > >
> > > > drivers/clk/qcom/gpucc-sm8350.c:111:2: error: initializer element is not a compile-time constant
> > > >         gpu_cc_parent,
> > > >         ^~~~~~~~~~~~~
> > > > drivers/clk/qcom/gpucc-sm8350.c:126:2: error: initializer element is not a compile-time constant
> > > >         gpu_cc_parent,
> > > >         ^~~~~~~~~~~~~
> > >
> > > I sent https://lore.kernel.org/20220711174004.3047516-1-nathan@kernel.org/
> > > for this a few days ago, it just needs to be picked up.
> > >
> > > > arch/x86/kernel/cpu/bugs.c:58:21: error: section attribute is specified on redeclared variable [-Werror,-Wsection]
> > > > DEFINE_PER_CPU(u64, x86_spec_ctrl_current);
> > > >                     ^
> > > > ./arch/x86/include/asm/nospec-branch.h:283:12: note: previous declaration is here
> > > > extern u64 x86_spec_ctrl_current;
> > >
> > > This is now fixed in -tip so it should be fixed in -next tomorrorow:
> > >
> > > https://git.kernel.org/tip/db866d3352ec85e821e730e191481cba3a2bfa6e
> >
> > This should also go to Linus. This failure is in the mainline also.
> > https://lore.kernel.org/lkml/Ys6sZj6KYthnDppq@debian/
>
> Yes, it is in the x86/urgent branch so it should get there by -rc7. Our
> CI is red too :(
>
> > > In the future, consider CC'ing our mailing list (llvm@lists.linux.dev)
> > > for any clang related issues so that we can get them taken care of ASAP,
> > > we have a MAINTAINERS entry for a reason :) thank you for testing with
> > > clang; the more people that use it, hopefully the easier it will be to
> > > get things unbroken.
> >
> > Sure. I run arm, arm64, powerpc and x86_64 allmodconfigs with clang
> > (along with gcc) every night for mainline, started with linux-next
> > from today. Trying to setup the mips build also, I will mail llvm list
> > asking for help with the mips build.
> > Currently I only monitor the clang output from x86_64 as thats the one
> > which builds. If you want I can send the other reports also.
>
> Sure! I am not sure that we have tested mips or powerpc allmodconfig now
> that I am thinking about it but we'll certainly take a look at any
> issues that come from them and see what we can do.

Uhhh.. I just checked powerpc build log and have now raised:
https://github.com/llvm/llvm-project/issues/56530

I am also part of Elisa project and there we run clang-analyzer on
defconfig of linux-next every day and the results are stored in a web
interface to check and compare. I have added Lukas if you both think
it will be good to collaborate.


-- 
Regards
Sudip