Re: [PATCH 6/9] select: Extract common code into do_sys_ppoll()

kbuild test robot
2019-09-09T11:16:16Z

[-- Attachment #1: Type: text/plain, Size: 2379 bytes --]

Hi Dmitry,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc8 next-20190904]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Dmitry-Safonov/restart_block-Prepare-the-ground-for-dumping-timeout/20190909-182945
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

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

All errors (new ones prefixed by >>):

fs/select.c: In function 'do_sys_ppoll':
>> fs/select.c:1089:9: error: implicit declaration of function 'set_compat_user_sigmask'; did you mean 'set_user_sigmask'? [-Werror=implicit-function-declaration]
ret = set_compat_user_sigmask(sigmask, sigsetsize);
^~~~~~~~~~~~~~~~~~~~~~~
set_user_sigmask
cc1: some warnings being treated as errors

vim +1089 fs/select.c

1058
1059 static int do_sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
1060 void __user *tsp, const void __user *sigmask,
1061 size_t sigsetsize, enum poll_time_type pt_type)
1062 {
1063 struct timespec64 ts, end_time, *to = NULL;
1064 int ret;
1065
1066 if (tsp) {
1067 switch (pt_type) {
1068 case PT_TIMESPEC:
1069 if (get_timespec64(&ts, tsp))
1070 return -EFAULT;
1071 break;
1072 case PT_OLD_TIMESPEC:
1073 if (get_old_timespec32(&ts, tsp))
1074 return -EFAULT;
1075 break;
1076 default:
1077 WARN_ON_ONCE(1);
1078 return -ENOSYS;
1079 }
1080
1081 to = &end_time;
1082 if (poll_select_set_timeout(to, ts.tv_sec, ts.tv_nsec))
1083 return -EINVAL;
1084 }
1085
1086 if (!in_compat_syscall())
1087 ret = set_user_sigmask(sigmask, sigsetsize);
1088 else
> 1089 ret = set_compat_user_sigmask(sigmask, sigsetsize);
1090
1091 if (ret)
1092 return ret;
1093
1094 ret = do_sys_poll(ufds, nfds, to);
1095 return poll_select_finish(&end_time, tsp, pt_type, ret);
1096 }
1097

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 7184 bytes --]