linux-kernel - [mark:linkage/alias-rework 1/5] arch/xtensa/kernel/mcount.S:83: Error: unaligned entry instruction

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Date:   Sat, 4 Dec 2021 13:53:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:linkage/alias-rework 1/5] arch/xtensa/kernel/mcount.S:83:
 Error: unaligned entry instruction

Hi Mark,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git linkage/alias-rework
head:   237447148f41ca99a7b980037060b7a6f3afe535
commit: 2d97e9dfa461e64eb9c641fc1b6d4f077caa652f [1/5] linkage: add SYM_{ENTRY,START,END}_AT()
config: xtensa-randconfig-r005-20211203 (https://download.01.org/0day-ci/archive/20211204/202112041345.PfJaTqQU-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 11.2.0
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/mark/linux.git/commit/?id=2d97e9dfa461e64eb9c641fc1b6d4f077caa652f
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark linkage/alias-rework
        git checkout 2d97e9dfa461e64eb9c641fc1b6d4f077caa652f
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=xtensa SHELL=/bin/bash arch/xtensa/

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 >>):

   arch/xtensa/kernel/mcount.S: Assembler messages:
>> arch/xtensa/kernel/mcount.S:83: Error: unaligned entry instruction


vim +83 arch/xtensa/kernel/mcount.S

478ba61afccd3a Max Filippov 2013-05-24  81  
478ba61afccd3a Max Filippov 2013-05-24  82  ENTRY(ftrace_stub)
d6d5f19e21d98c Max Filippov 2019-05-12 @83  	abi_entry_default

:::::: The code at line 83 was first introduced by commit
:::::: d6d5f19e21d98c0607ff029e4e2e508d4cdd1d5a xtensa: abstract 'entry' and 'retw' in assembly code

:::::: TO: Max Filippov <jcmvbkbc@...il.com>
:::::: CC: Max Filippov <jcmvbkbc@...il.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org