Re: [PATCH 02/19] elf: Move arch_setup_additional_pages() to generic elf.h

[kernel test robot]

Hi Dmitry,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on c34f157421f6905e6b4a79a312e9175dce2bc607]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Safonov/Add-generic-user_landing-tracking/20201109-090354
base:    c34f157421f6905e6b4a79a312e9175dce2bc607
config: riscv-allmodconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/c46ac7ddea192a97f9b0b3aa3536566a37389bec
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dmitry-Safonov/Add-generic-user_landing-tracking/20201109-090354
        git checkout c46ac7ddea192a97f9b0b3aa3536566a37389bec
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/irqchip.h:15,
                    from arch/riscv/kernel/irq.c:9:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/irq.c:19:13: warning: no previous prototype for 'init_IRQ' [-Wmissing-prototypes]
      19 | void __init init_IRQ(void)
         |             ^~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from arch/riscv/kernel/ptrace.c:15:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/ptrace.c:140:15: warning: no previous prototype for 'do_syscall_trace_enter' [-Wmissing-prototypes]
     140 | __visible int do_syscall_trace_enter(struct pt_regs *regs)
         |               ^~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/ptrace.c:163:16: warning: no previous prototype for 'do_syscall_trace_exit' [-Wmissing-prototypes]
     163 | __visible void do_syscall_trace_exit(struct pt_regs *regs)
         |                ^~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/kallsyms.h:13,
                    from include/linux/ftrace.h:11,
                    from include/linux/perf_event.h:49,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:84,
                    from arch/riscv/kernel/signal.c:11:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/signal.c:309:27: warning: no previous prototype for 'do_notify_resume' [-Wmissing-prototypes]
     309 | asmlinkage __visible void do_notify_resume(struct pt_regs *regs,
         |                           ^~~~~~~~~~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/kallsyms.h:13,
                    from include/linux/ftrace.h:11,
                    from include/linux/perf_event.h:49,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:84,
                    from arch/riscv/kernel/syscall_table.c:8:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:29:37: note: in expansion of macro '__SYSCALL'
      29 | #define __SC_COMP(_nr, _sys, _comp) __SYSCALL(_nr, _sys)
         |                                     ^~~~~~~~~
   include/uapi/asm-generic/unistd.h:34:1: note: in expansion of macro '__SC_COMP'
      34 | __SC_COMP(__NR_io_setup, sys_io_setup, compat_sys_io_setup)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[0]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:29:37: note: in expansion of macro '__SYSCALL'
      29 | #define __SC_COMP(_nr, _sys, _comp) __SYSCALL(_nr, _sys)
         |                                     ^~~~~~~~~
   include/uapi/asm-generic/unistd.h:34:1: note: in expansion of macro '__SC_COMP'
      34 | __SC_COMP(__NR_io_setup, sys_io_setup, compat_sys_io_setup)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:36:1: note: in expansion of macro '__SYSCALL'
      36 | __SYSCALL(__NR_io_destroy, sys_io_destroy)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[1]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:36:1: note: in expansion of macro '__SYSCALL'
      36 | __SYSCALL(__NR_io_destroy, sys_io_destroy)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:29:37: note: in expansion of macro '__SYSCALL'
      29 | #define __SC_COMP(_nr, _sys, _comp) __SYSCALL(_nr, _sys)
         |                                     ^~~~~~~~~
   include/uapi/asm-generic/unistd.h:38:1: note: in expansion of macro '__SC_COMP'
      38 | __SC_COMP(__NR_io_submit, sys_io_submit, compat_sys_io_submit)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[2]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:29:37: note: in expansion of macro '__SYSCALL'
      29 | #define __SC_COMP(_nr, _sys, _comp) __SYSCALL(_nr, _sys)
         |                                     ^~~~~~~~~
   include/uapi/asm-generic/unistd.h:38:1: note: in expansion of macro '__SC_COMP'
      38 | __SC_COMP(__NR_io_submit, sys_io_submit, compat_sys_io_submit)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:40:1: note: in expansion of macro '__SYSCALL'
      40 | __SYSCALL(__NR_io_cancel, sys_io_cancel)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[3]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:40:1: note: in expansion of macro '__SYSCALL'
      40 | __SYSCALL(__NR_io_cancel, sys_io_cancel)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:22:34: note: in expansion of macro '__SYSCALL'
      22 | #define __SC_3264(_nr, _32, _64) __SYSCALL(_nr, _64)
         |                                  ^~~~~~~~~
   include/uapi/asm-generic/unistd.h:43:1: note: in expansion of macro '__SC_3264'
      43 | __SC_3264(__NR_io_getevents, sys_io_getevents_time32, sys_io_getevents)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[4]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:22:34: note: in expansion of macro '__SYSCALL'
      22 | #define __SC_3264(_nr, _32, _64) __SYSCALL(_nr, _64)
         |                                  ^~~~~~~~~
   include/uapi/asm-generic/unistd.h:43:1: note: in expansion of macro '__SC_3264'
      43 | __SC_3264(__NR_io_getevents, sys_io_getevents_time32, sys_io_getevents)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:48:1: note: in expansion of macro '__SYSCALL'
      48 | __SYSCALL(__NR_setxattr, sys_setxattr)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[5]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:48:1: note: in expansion of macro '__SYSCALL'
      48 | __SYSCALL(__NR_setxattr, sys_setxattr)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: warning: initialized field overwritten [-Woverride-init]
      14 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   include/uapi/asm-generic/unistd.h:50:1: note: in expansion of macro '__SYSCALL'
      50 | __SYSCALL(__NR_lsetxattr, sys_lsetxattr)
         | ^~~~~~~~~
   arch/riscv/kernel/syscall_table.c:14:36: note: (near initialization for 'sys_call_table[6]')
      14 | #define __SYSCALL(nr, call) [nr] = (call),
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/kallsyms.h:13,
                    from include/linux/ftrace.h:11,
                    from include/linux/perf_event.h:49,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:84,
                    from arch/riscv/kernel/sys_riscv.c:8:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from arch/riscv/kernel/traps.c:16:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/traps.c:92:15: warning: no previous prototype for 'do_trap_unknown' [-Wmissing-prototypes]
      92 | DO_ERROR_INFO(do_trap_unknown,
         |               ^~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:94:15: warning: no previous prototype for 'do_trap_insn_misaligned' [-Wmissing-prototypes]
      94 | DO_ERROR_INFO(do_trap_insn_misaligned,
         |               ^~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:96:15: warning: no previous prototype for 'do_trap_insn_fault' [-Wmissing-prototypes]
      96 | DO_ERROR_INFO(do_trap_insn_fault,
         |               ^~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:98:15: warning: no previous prototype for 'do_trap_insn_illegal' [-Wmissing-prototypes]
      98 | DO_ERROR_INFO(do_trap_insn_illegal,
         |               ^~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:100:15: warning: no previous prototype for 'do_trap_load_fault' [-Wmissing-prototypes]
     100 | DO_ERROR_INFO(do_trap_load_fault,
         |               ^~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:103:15: warning: no previous prototype for 'do_trap_load_misaligned' [-Wmissing-prototypes]
     103 | DO_ERROR_INFO(do_trap_load_misaligned,
         |               ^~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:105:15: warning: no previous prototype for 'do_trap_store_misaligned' [-Wmissing-prototypes]
     105 | DO_ERROR_INFO(do_trap_store_misaligned,
         |               ^~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:127:15: warning: no previous prototype for 'do_trap_store_fault' [-Wmissing-prototypes]
     127 | DO_ERROR_INFO(do_trap_store_fault,
         |               ^~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:129:15: warning: no previous prototype for 'do_trap_ecall_u' [-Wmissing-prototypes]
     129 | DO_ERROR_INFO(do_trap_ecall_u,
         |               ^~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:131:15: warning: no previous prototype for 'do_trap_ecall_s' [-Wmissing-prototypes]
     131 | DO_ERROR_INFO(do_trap_ecall_s,
         |               ^~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:133:15: warning: no previous prototype for 'do_trap_ecall_m' [-Wmissing-prototypes]
     133 | DO_ERROR_INFO(do_trap_ecall_m,
         |               ^~~~~~~~~~~~~~~
   arch/riscv/kernel/traps.c:87:27: note: in definition of macro 'DO_ERROR_INFO'
      87 | asmlinkage __visible void name(struct pt_regs *regs)   \
         |                           ^~~~
   arch/riscv/kernel/traps.c:146:27: warning: no previous prototype for 'do_trap_break' [-Wmissing-prototypes]
     146 | asmlinkage __visible void do_trap_break(struct pt_regs *regs)
         |                           ^~~~~~~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/kallsyms.h:13,
                    from arch/riscv/kernel/stacktrace.c:8:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/stacktrace.c:24:14: warning: no previous prototype for 'walk_stackframe' [-Wmissing-prototypes]
      24 | void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
         |              ^~~~~~~~~~~~~~~
   arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe':
   arch/riscv/kernel/stacktrace.c:34:3: warning: 'register' is not at beginning of declaration [-Wold-style-declaration]
      34 |   const register unsigned long current_sp = sp_in_global;
         |   ^~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/kallsyms.h:13,
                    from include/linux/ftrace.h:11,
                    from arch/riscv/kernel/ftrace.c:8:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/ftrace.c:158:6: warning: no previous prototype for 'prepare_ftrace_return' [-Wmissing-prototypes]
     158 | void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
         |      ^~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/kallsyms.h:13,
                    from include/linux/ftrace.h:11,
                    from include/linux/perf_event.h:49,
                    from arch/riscv/kernel/perf_callchain.c:4:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   arch/riscv/kernel/perf_callchain.c:77:6: warning: no previous prototype for 'fill_callchain' [-Wmissing-prototypes]
      77 | bool fill_callchain(unsigned long pc, void *entry)
         |      ^~~~~~~~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/bpf.h:20,
                    from include/linux/bpf-cgroup.h:5,
                    from include/linux/cgroup-defs.h:22,
                    from include/linux/cgroup.h:28,
                    from include/linux/blk-cgroup.h:17,
                    from include/linux/writeback.h:14,
                    from include/linux/backing-dev.h:17,
                    from fs/btrfs/ctree.h:16,
                    from fs/btrfs/ctree.c:10:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   fs/btrfs/ctree.c: In function 'btrfs_realloc_node':
   fs/btrfs/ctree.c:1581:6: warning: variable 'parent_level' set but not used [-Wunused-but-set-variable]
    1581 |  int parent_level;
         |      ^~~~~~~~~~~~
--
   In file included from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/bpf.h:20,
                    from include/linux/bpf-cgroup.h:5,
                    from include/linux/cgroup-defs.h:22,
                    from include/linux/cgroup.h:28,
                    from include/linux/blk-cgroup.h:17,
                    from include/linux/writeback.h:14,
                    from include/linux/backing-dev.h:17,
                    from fs/btrfs/ctree.h:16,
                    from fs/btrfs/zstd.c:22:
>> arch/riscv/include/asm/elf.h:8: error: unterminated #ifndef
       8 | #ifndef _ASM_RISCV_ELF_H
         | 
   In file included from fs/btrfs/zstd.c:19:
   include/linux/zstd.h:798:21: warning: 'ZSTD_skippableHeaderSize' defined but not used [-Wunused-const-variable=]
     798 | static const size_t ZSTD_skippableHeaderSize = 8;
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/zstd.h:796:21: warning: 'ZSTD_frameHeaderSize_max' defined but not used [-Wunused-const-variable=]
     796 | static const size_t ZSTD_frameHeaderSize_max = ZSTD_FRAMEHEADERSIZE_MAX;
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/zstd.h:795:21: warning: 'ZSTD_frameHeaderSize_min' defined but not used [-Wunused-const-variable=]
     795 | static const size_t ZSTD_frameHeaderSize_min = ZSTD_FRAMEHEADERSIZE_MIN;
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/zstd.h:794:21: warning: 'ZSTD_frameHeaderSize_prefix' defined but not used [-Wunused-const-variable=]
     794 | static const size_t ZSTD_frameHeaderSize_prefix = 5;
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +8 arch/riscv/include/asm/elf.h

2129a235c098960 Palmer Dabbelt 2017-07-10  @8  #ifndef _ASM_RISCV_ELF_H
2129a235c098960 Palmer Dabbelt 2017-07-10   9  #define _ASM_RISCV_ELF_H
2129a235c098960 Palmer Dabbelt 2017-07-10  10  

---
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