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Date:   Tue, 27 Dec 2022 15:16:49 +0100
From:   Borislav Petkov <bp@alien8.de>
To:     kernel test robot <lkp@intel.com>
Cc:     llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
        rust-for-linux@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [bp:tip-x86-alternatives 1/1] error[E0588]: packed type cannot
 transitively contain a `#[repr(align)]` type
Message-ID: <Y6r+UbfkXruwHU2v@zn.tnic>
References: <202212272003.rgQDX8DQ-lkp@intel.com>
 <Y6r4mXz5NS0+HVXo@zn.tnic>
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Resending because rust ML doesn't like big messages:

From: rust-for-linux-owner@vger.kernel.org
To: rust-for-linux-approval@vger.kernel.org, bp@alien8.de
Subject: BOUNCE rust-for-linux@vger.kernel.org:     Message too long (>100000 chars)

Rust folks, you can check out the whole thing here:

https://lore.kernel.org/all/202212272003.rgQDX8DQ-lkp@intel.com/

(and maybe raise the limit on that ML of yours :))

Thx.

On Tue, Dec 27, 2022 at 02:52:25PM +0100, Borislav Petkov wrote:
> On Tue, Dec 27, 2022 at 08:36:11PM +0800, kernel test robot wrote:
> > Hi Borislav,
> > 
> > FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
> > 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git tip-x86-alternatives
> > head:   82db736201e76889825efe8899ad55976111691a
> > commit: 82db736201e76889825efe8899ad55976111691a [1/1] x86/alternatives: Add alt_instr.flags
> > config: x86_64-rhel-8.3-rust
> > compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
> > reproduce (this is a W=1 build):
> >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/commit/?id=82db736201e76889825efe8899ad55976111691a
> >         git remote add bp https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git
> >         git fetch --no-tags bp tip-x86-alternatives
> >         git checkout 82db736201e76889825efe8899ad55976111691a
> >         # save the config file
> >         mkdir build_dir && cp config build_dir/.config
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 prepare
> 
> These reproduction instructions look insufficient to me. The env needs a
> rust compiler installed. Which I don't have:
> 
> ./scripts/rust_is_available.sh -v
> ***
> *** Rust compiler '' could not be found.
> ***
> 
> Or does some of that make.cross magic install one? I don't see a "rustc"
> mentioned there at all but I see
> 
> CONFIG_RUSTC_VERSION_TEXT="rustc 1.62.0 (a8314ef7d 2022-06-27)"
> 
> in the .config so apparently that rustc thing has come from somewhere...
> 
> > If you fix the issue, kindly add following tag where applicable
> > | Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> > >> error[E0588]: packed type cannot transitively contain a `#[repr(align)]` type
> 
> -ENOPARSE this error.
> 
> Lemme add rust and toolchain MLs to Cc and leave the rest for them with
> the hope that they can translate this linenoise for me.

Well, not leaving it because rust ML can't take such big emails.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette