linux-kernel - ld.lld: error: inline assembly requires more registers than available at line 523

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Message-ID: <202205020637.JVJo3blw-lkp@intel.com>
Date:   Mon, 2 May 2022 06:29:38 +0800
From:   kernel test robot <lkp@...el.com>
To:     Leonardo Bras <leobras@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>
Subject: ld.lld: error: inline assembly requires more registers than
 available at line 523

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   672c0c5173427e6b3e2a9bbb7be51ceeec78093a
commit: ba1f77c546966c12d86220d078e5838dcaeab348 x86/kvm: Fix compilation warning in non-x86_64 builds
date:   2 months ago
config: i386-randconfig-a012-20220502 (https://download.01.org/0day-ci/archive/20220502/202205020637.JVJo3blw-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 09325d36061e42b495d1f4c7e933e260eac260ed)
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/torvalds/linux.git/commit/?id=ba1f77c546966c12d86220d078e5838dcaeab348
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ba1f77c546966c12d86220d078e5838dcaeab348
        # 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=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: inline assembly requires more registers than available at line 523
>> ld.lld: error: inline assembly requires more registers than available at line 523

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp