linux-kernel - Re: [PATCH] uapi: futex: Add a futex syscall

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Date:   Fri, 15 Oct 2021 19:43:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alistair Francis <alistair.francis@...nsource.wdc.com>,
        linux-kernel@...r.kernel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        alistair23@...il.com, arnd@...db.de,
        Alistair Francis <alistair.francis@....com>
Subject: Re: [PATCH] uapi: futex: Add a futex syscall

Hi Alistair,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on soc/for-next linus/master v5.15-rc5 next-20211013]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Alistair-Francis/uapi-futex-Add-a-futex-syscall/20211015-090054
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5816b3e6577eaa676ceb00a848f0fd65fe2adc29
config: x86_64-randconfig-r015-20211014 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project acb3b187c4c88650a6a717a1bcb234d27d0d7f54)
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/38a003698424c55ceb42e9be69f47014a6b4f6bd
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Alistair-Francis/uapi-futex-Add-a-futex-syscall/20211015-090054
        git checkout 38a003698424c55ceb42e9be69f47014a6b4f6bd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   In file included from <built-in>:1:
   ./usr/include/linux/futex_syscall.h:19:36: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
   futex_syscall_timeout(__volatile__ u_int32_t *uaddr, int op, u_int32_t val,
                                      ^~~~~~~~~
                                      __int128_t
   note: '__int128_t' declared here
   ./usr/include/linux/futex_syscall.h:19:62: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
   futex_syscall_timeout(__volatile__ u_int32_t *uaddr, int op, u_int32_t val,
                                                                ^~~~~~~~~
                                                                __int128_t
   note: '__int128_t' declared here
>> ./usr/include/linux/futex_syscall.h:20:16: warning: declaration of 'struct timespec' will not be visible outside of this function [-Wvisibility]
                         struct timespec *timeout, __volatile__ u_int32_t *uaddr2, int val3)
                                ^
   ./usr/include/linux/futex_syscall.h:20:48: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
                         struct timespec *timeout, __volatile__ u_int32_t *uaddr2, int val3)
                                                                ^~~~~~~~~
                                                                __int128_t
   note: '__int128_t' declared here
   ./usr/include/linux/futex_syscall.h:61:39: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
   futex_syscall_nr_requeue(__volatile__ u_int32_t *uaddr, int op, u_int32_t val,
                                         ^~~~~~~~~
                                         __int128_t
   note: '__int128_t' declared here
   ./usr/include/linux/futex_syscall.h:61:65: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
   futex_syscall_nr_requeue(__volatile__ u_int32_t *uaddr, int op, u_int32_t val,
                                                                   ^~~~~~~~~
                                                                   __int128_t
   note: '__int128_t' declared here
   ./usr/include/linux/futex_syscall.h:62:5: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
                            u_int32_t nr_requeue, __volatile__ u_int32_t *uaddr2, int val3)
                            ^~~~~~~~~
                            __int128_t
   note: '__int128_t' declared here
   ./usr/include/linux/futex_syscall.h:62:40: error: unknown type name 'u_int32_t'; did you mean '__int128_t'?
                            u_int32_t nr_requeue, __volatile__ u_int32_t *uaddr2, int val3)
                                                               ^~~~~~~~~
                                                               __int128_t
   note: '__int128_t' declared here
   1 warning and 7 errors generated.

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

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