linux-kernel - Re: error: ABI 'o32' is not supported on CPU 'mips64'

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Message-ID: <Ztp6Khar6h3T4RSI@rli9-mobl>
Date: Fri, 6 Sep 2024 11:42:34 +0800
From: Philip Li <philip.li@...el.com>
To: Jiaxun Yang <jiaxun.yang@...goat.com>
CC: "Maciej W. Rozycki" <macro@...am.me.uk>, kernel test robot
	<lkp@...el.com>, <oe-kbuild-all@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, Thomas Bogendoerfer
	<tsbogend@...ha.franken.de>
Subject: Re: error: ABI 'o32' is not supported on CPU 'mips64'

On Thu, Sep 05, 2024 at 10:56:15AM +0100, Jiaxun Yang wrote:
> 
> 
> 在2024年9月5日九月 上午10:22，Maciej W. Rozycki写道：
> > On Sat, 31 Aug 2024, kernel test robot wrote:
> >
> >> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> >> head:   fb24560f31f9dff2c97707cfed6029bfebebaf1c
> >> commit: 2326c8f2022636a1e47402ffd09a3b28f737275f MIPS: Fix fallback march for SB1
> >> date:   7 weeks ago
> >> config: mips-randconfig-r121-20240830 (https://download.01.org/0day-ci/archive/20240831/202408310705.y2OPq3Xs-lkp@intel.com/config)
> >> compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
> >> reproduce: (https://download.01.org/0day-ci/archive/20240831/202408310705.y2OPq3Xs-lkp@intel.com/reproduce)
> >> 
> >> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> >> the same patch/commit), kindly add following tags
> >> | Reported-by: kernel test robot <lkp@...el.com>
> >> | Closes: https://lore.kernel.org/oe-kbuild-all/202408310705.y2OPq3Xs-lkp@intel.com/
> >> 
> >> All errors (new ones prefixed by >>):
> >> 
> >> >> error: ABI 'o32' is not supported on CPU 'mips64'
> >> >> error: error: ABI 'o32' is not supported on CPU 'mips64'
> >>    ABI 'o32' is not supported on CPU 'mips64'
> >>    make[3]: *** [scripts/Makefile.build:117: scripts/mod/devicetable-offsets.s] Error 1
> >>    make[3]: *** [scripts/Makefile.build:244: scripts/mod/empty.o] Error 1
> >>    make[3]: Target 'scripts/mod/' not remade because of errors.
> >>    make[2]: *** [Makefile:1207: prepare0] Error 2
> >>    make[2]: Target 'prepare' not remade because of errors.
> >>    make[1]: *** [Makefile:240: __sub-make] Error 2
> >>    make[1]: Target 'prepare' not remade because of errors.
> >>    make: *** [Makefile:240: __sub-make] Error 2
> >>    make: Target 'prepare' not remade because of errors.
> >
> >  This is a compiler bug.  The MIPS64 ISA does certainly support the o32 
> > ABI, so they need to fix their "CPU 'mips64'" definition.
> 
> Just for record, this has been fixed in LLVM-17 [1], while the bit is still
> on LLVM 15.

Thanks for the info, the bot will ignore the issue on clang-15/16 in future.

> 
> Thanks
> [1]: https://github.com/llvm/llvm-project/commit/7983f8aca82e258174849f1cc6a70029353e9887
> 
> >
> >   Maciej
> 
> -- 
> - Jiaxun
>