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Subject[arnd-playground:arm-kill-set_fs-10 4/9] arch/arm/kernel/ptrace.c:815:29: error: 'struct thread_info' has no member named 'syscall'; did you mean 'abi_syscall'?
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git arm-kill-set_fs-10
head: a6e0b06b967960c7e0a64bf10b8d1b7afaa4008e
commit: c82f8f787b772d6981925ca52172a8ff3f71096a [4/9] ARM: syscall: always store thread_info->syscall
config: arm-buildonly-randconfig-r004-20210722 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 10.3.0
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/arnd/playground.git/commit/?id=c82f8f787b772d6981925ca52172a8ff3f71096a
git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
git fetch --no-tags arnd-playground arm-kill-set_fs-10
git checkout c82f8f787b772d6981925ca52172a8ff3f71096a
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/kernel/

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

All errors (new ones prefixed by >>):

arch/arm/kernel/ptrace.c: In function 'arch_ptrace':
>> arch/arm/kernel/ptrace.c:815:29: error: 'struct thread_info' has no member named 'syscall'; did you mean 'abi_syscall'?
815 | task_thread_info(child)->syscall = data;
| ^~~~~~~
| abi_syscall
arch/arm/kernel/ptrace.c: In function 'tracehook_report_syscall':
arch/arm/kernel/ptrace.c:884:26: error: 'struct thread_info' has no member named 'syscall'; did you mean 'abi_syscall'?
884 | current_thread_info()->syscall = -1;
| ^~~~~~~
| abi_syscall
arch/arm/kernel/ptrace.c: At top level:
arch/arm/kernel/ptrace.c:889:16: warning: no previous prototype for 'syscall_trace_enter' [-Wmissing-prototypes]
889 | asmlinkage int syscall_trace_enter(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~
arch/arm/kernel/ptrace.c:917:17: warning: no previous prototype for 'syscall_trace_exit' [-Wmissing-prototypes]
917 | asmlinkage void syscall_trace_exit(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~


vim +815 arch/arm/kernel/ptrace.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 808
^1da177e4c3f41 Linus Torvalds 2005-04-16 809 case PTRACE_GET_THREAD_AREA:
a4780adeefd042 André Hentschel 2013-06-18 810 ret = put_user(task_thread_info(child)->tp_value[0],
b640a0d192265c Namhyung Kim 2010-10-27 811 datap);
^1da177e4c3f41 Linus Torvalds 2005-04-16 812 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 813
3f471126ee53fe Nicolas Pitre 2006-01-14 814 case PTRACE_SET_SYSCALL:
5ba6d3febd4978 Russell King 2007-05-06 @815 task_thread_info(child)->syscall = data;
3f471126ee53fe Nicolas Pitre 2006-01-14 816 ret = 0;
3f471126ee53fe Nicolas Pitre 2006-01-14 817 break;
3f471126ee53fe Nicolas Pitre 2006-01-14 818

:::::: The code at line 815 was first introduced by commit
:::::: 5ba6d3febd4978f31b2c523d64d381603923a709 [ARM] Move syscall saving out of the way of utrace

:::::: TO: Russell King <rmk@dyn-67.arm.linux.org.uk>
:::::: CC: Russell King <rmk+kernel@arm.linux.org.uk>

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