Hi Dmitry, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [cannot apply to v5.4-rc2 next-20191011] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dmitry-Safonov/kernel-Introduce-Time-Namespace/20191014-075119 config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 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 <l...@intel.com> All errors (new ones prefixed by >>): kernel/time/posix-stubs.c: In function '__do_sys_clock_nanosleep': >> kernel/time/posix-stubs.c:153:31: error: 'clockid' undeclared (first use in >> this function); did you mean 'clock_t'? texp = timens_ktime_to_host(clockid, texp); ^~~~~~~ clock_t kernel/time/posix-stubs.c:153:31: note: each undeclared identifier is reported only once for each function it appears in kernel/time/posix-stubs.c: In function '__do_sys_clock_nanosleep_time32': >> kernel/time/posix-stubs.c:222:2: error: unknown type name 'ktime'; did you >> mean 'ktime_t'? ktime texp; ^~~~~ ktime_t kernel/time/posix-stubs.c:243:31: error: 'clockid' undeclared (first use in this function); did you mean 'clock_t'? texp = timens_ktime_to_host(clockid, texp); ^~~~~~~ clock_t vim +153 kernel/time/posix-stubs.c 126 127 SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags, 128 const struct __kernel_timespec __user *, rqtp, 129 struct __kernel_timespec __user *, rmtp) 130 { 131 struct timespec64 t; 132 ktime_t texp; 133 134 switch (which_clock) { 135 case CLOCK_REALTIME: 136 case CLOCK_MONOTONIC: 137 case CLOCK_BOOTTIME: 138 break; 139 default: 140 return -EINVAL; 141 } 142 143 if (get_timespec64(&t, rqtp)) 144 return -EFAULT; 145 if (!timespec64_valid(&t)) 146 return -EINVAL; 147 if (flags & TIMER_ABSTIME) 148 rmtp = NULL; 149 current->restart_block.nanosleep.type = rmtp ? TT_NATIVE : TT_NONE; 150 current->restart_block.nanosleep.rmtp = rmtp; 151 texp = timespec64_to_ktime(t); 152 if (flags & TIMER_ABSTIME) > 153 texp = timens_ktime_to_host(clockid, texp); 154 return hrtimer_nanosleep(texp, flags & TIMER_ABSTIME ? 155 HRTIMER_MODE_ABS : HRTIMER_MODE_REL, 156 which_clock); 157 } 158 159 #ifdef CONFIG_COMPAT 160 COMPAT_SYS_NI(timer_create); 161 COMPAT_SYS_NI(getitimer); 162 COMPAT_SYS_NI(setitimer); 163 #endif 164 165 #ifdef CONFIG_COMPAT_32BIT_TIME 166 SYS_NI(timer_settime32); 167 SYS_NI(timer_gettime32); 168 169 SYSCALL_DEFINE2(clock_settime32, const clockid_t, which_clock, 170 struct old_timespec32 __user *, tp) 171 { 172 struct timespec64 new_tp; 173 174 if (which_clock != CLOCK_REALTIME) 175 return -EINVAL; 176 if (get_old_timespec32(&new_tp, tp)) 177 return -EFAULT; 178 179 return do_sys_settimeofday64(&new_tp, NULL); 180 } 181 182 SYSCALL_DEFINE2(clock_gettime32, clockid_t, which_clock, 183 struct old_timespec32 __user *, tp) 184 { 185 int ret; 186 struct timespec64 kernel_tp; 187 188 ret = do_clock_gettime(which_clock, &kernel_tp); 189 if (ret) 190 return ret; 191 192 if (put_old_timespec32(&kernel_tp, tp)) 193 return -EFAULT; 194 return 0; 195 } 196 197 SYSCALL_DEFINE2(clock_getres_time32, clockid_t, which_clock, 198 struct old_timespec32 __user *, tp) 199 { 200 struct timespec64 rtn_tp = { 201 .tv_sec = 0, 202 .tv_nsec = hrtimer_resolution, 203 }; 204 205 switch (which_clock) { 206 case CLOCK_REALTIME: 207 case CLOCK_MONOTONIC: 208 case CLOCK_BOOTTIME: 209 if (put_old_timespec32(&rtn_tp, tp)) 210 return -EFAULT; 211 return 0; 212 default: 213 return -EINVAL; 214 } 215 } 216 217 SYSCALL_DEFINE4(clock_nanosleep_time32, clockid_t, which_clock, int, flags, 218 struct old_timespec32 __user *, rqtp, 219 struct old_timespec32 __user *, rmtp) 220 { 221 struct timespec64 t; > 222 ktime texp; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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