[ammarfaizi2-block:google/android/kernel/common/android13-5.15-arcvm 94/138] kernel/time/timekeeping.c:1658:2: error: use of undeclared identifier 'boot_delta'

[kernel test robot <lkp@intel.com>]

Hi Hikaru,

FYI, the error/warning still remains.

tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.15-arcvm
head:   573344b8d137d3584c918c7efa8d4b949d0414d4
commit: 7833de03e339af4c25a58b24cc29ad75b98672fc [94/138] CHROMIUM: timekeeping: Remove CLOCK_BOOTTIME hack except for ARM64
config: arm64-buildonly-randconfig-r005-20230204 (https://download.01.org/0day-ci/archive/20230204/202302041947.KexHdig2-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/ammarfaizi2/linux-block/commit/7833de03e339af4c25a58b24cc29ad75b98672fc
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.15-arcvm
        git checkout 7833de03e339af4c25a58b24cc29ad75b98672fc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> kernel/time/timekeeping.c:1658:2: error: use of undeclared identifier 'boot_delta'
           boot_delta.tv_sec = 5;
           ^
   kernel/time/timekeeping.c:1659:2: error: use of undeclared identifier 'boot_delta'
           boot_delta.tv_nsec = 0;
           ^
   kernel/time/timekeeping.c:1660:47: error: use of undeclared identifier 'boot_delta'
           tk_update_sleep_time(tk, timespec64_to_ktime(boot_delta));
                                                        ^
   3 errors generated.


vim +/boot_delta +1658 kernel/time/timekeeping.c

  1610	
  1611	/*
  1612	 * timekeeping_init - Initializes the clocksource and common timekeeping values
  1613	 */
  1614	void __init timekeeping_init(void)
  1615	{
  1616		struct timespec64 wall_time, boot_offset, wall_to_mono;
  1617		struct timekeeper *tk = &tk_core.timekeeper;
  1618		struct clocksource *clock;
  1619		unsigned long flags;
  1620	
  1621		read_persistent_wall_and_boot_offset(&wall_time, &boot_offset);
  1622		if (timespec64_valid_settod(&wall_time) &&
  1623		    timespec64_to_ns(&wall_time) > 0) {
  1624			persistent_clock_exists = true;
  1625		} else if (timespec64_to_ns(&wall_time) != 0) {
  1626			pr_warn("Persistent clock returned invalid value");
  1627			wall_time = (struct timespec64){0};
  1628		}
  1629	
  1630		if (timespec64_compare(&wall_time, &boot_offset) < 0)
  1631			boot_offset = (struct timespec64){0};
  1632	
  1633		/*
  1634		 * We want set wall_to_mono, so the following is true:
  1635		 * wall time + wall_to_mono = boot time
  1636		 */
  1637		wall_to_mono = timespec64_sub(boot_offset, wall_time);
  1638	
  1639		raw_spin_lock_irqsave(&timekeeper_lock, flags);
  1640		write_seqcount_begin(&tk_core.seq);
  1641		ntp_init();
  1642	
  1643		clock = clocksource_default_clock();
  1644		if (clock->enable)
  1645			clock->enable(clock);
  1646		tk_setup_internals(tk, clock);
  1647	
  1648		tk_set_xtime(tk, &wall_time);
  1649		tk->raw_sec = 0;
  1650	
  1651		tk_set_wall_to_mono(tk, wall_to_mono);
  1652	
  1653	#ifdef CONFIG_ARM64
  1654		// TODO(b/162547792): Remove following CLOCK_BOOTTIME adjustment
  1655		// once the underlying issue is resolved.
  1656		// The gap added here is larger enough than
  1657		// MIN_DELTA_BETWEEN_CLOCKS_MS which is expected by CTS Verifier.
> 1658		boot_delta.tv_sec = 5;
  1659		boot_delta.tv_nsec = 0;
  1660		tk_update_sleep_time(tk, timespec64_to_ktime(boot_delta));
  1661	#endif
  1662	
  1663		timekeeping_update(tk, TK_MIRROR | TK_CLOCK_WAS_SET);
  1664	
  1665		write_seqcount_end(&tk_core.seq);
  1666		raw_spin_unlock_irqrestore(&timekeeper_lock, flags);
  1667	}
  1668	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests