tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211116-sysctl-cleanups-v4 head: 5347239461f25fc50aa761923245b9ec4a4aafec commit: 88b045e811bcb4988e2f37077d8a582b7a111b68 [6/35] sysctl: Add const decoration for static boundary value variables config: hexagon-randconfig-r045-20211116 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c2cf3a314d9131b1b288e7c8ab0c75ac1b2be1d) 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://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/com... git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git git fetch --no-tags mcgrof-next 20211116-sysctl-cleanups-v4 git checkout 88b045e811bcb4988e2f37077d8a582b7a111b68 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): #ifdef CONFIG_SCHED_DEBUG ^ kernel/sysctl.c:1733:2: error: unterminated conditional directive #if defined(CONFIG_SYSCTL) ^ EXPORT_SYMBOL(proc_do_large_bitmap); ^ kernel/sysctl.c:1764:40: note: to match this '{' static struct ctl_table kern_table[] = { ^ }, ^ ; 5 errors generated. vim +1772 kernel/sysctl.c 1763 1764 static struct ctl_table kern_table[] = { 1765 { 1766 .procname = "sched_child_runs_first", 1767 .data = &sysctl_sched_child_runs_first, 1768 .maxlen = sizeof(unsigned int), 1769 .mode = 0644, 1770 .proc_handler = proc_dointvec, 1773 { 1774 .procname = "sched_min_granularity_ns", 1775 .data = &sysctl_sched_min_granularity, 1776 .maxlen = sizeof(unsigned int), 1777 .mode = 0644, 1778 .proc_handler = sched_proc_update_handler, 1779 .extra1 = (void *)&min_sched_granularity_ns, 1780 .extra2 = (void *)&max_sched_granularity_ns, 1781 }, 1782 { 1783 .procname = "sched_latency_ns", 1784 .data = &sysctl_sched_latency, 1785 .maxlen = sizeof(unsigned int), 1786 .mode = 0644, 1787 .proc_handler = sched_proc_update_handler, 1788 .extra1 = (void *)&min_sched_granularity_ns, 1789 .extra2 = (void *)&max_sched_granularity_ns, 1790 }, 1791 { 1792 .procname = "sched_wakeup_granularity_ns", 1793 .data = &sysctl_sched_wakeup_granularity, 1794 .maxlen = sizeof(unsigned int), 1795 .mode = 0644, 1796 .proc_handler = sched_proc_update_handler, 1797 .extra1 = (void *)&min_wakeup_granularity_ns, 1798 .extra2 = (void *)&max_wakeup_granularity_ns, 1799 }, 1800 #ifdef CONFIG_SMP 1801 { 1802 .procname = "sched_tunable_scaling", 1803 .data = &sysctl_sched_tunable_scaling, 1804 .maxlen = sizeof(enum sched_tunable_scaling), 1805 .mode = 0644, 1806 .proc_handler = sched_proc_update_handler, 1807 .extra1 = (void *)&min_sched_tunable_scaling, 1808 .extra2 = (void *)&max_sched_tunable_scaling, 1809 }, 1810 { 1811 .procname = "sched_migration_cost_ns", 1812 .data = &sysctl_sched_migration_cost, 1813 .maxlen = sizeof(unsigned int), 1814 .mode = 0644, 1815 .proc_handler = proc_dointvec, 1816 }, 1817 { 1818 .procname = "sched_nr_migrate", 1819 .data = &sysctl_sched_nr_migrate, 1820 .maxlen = sizeof(unsigned int), 1821 .mode = 0644, 1822 .proc_handler = proc_dointvec, 1823 }, 1824 #ifdef CONFIG_SCHEDSTATS 1825 { 1826 .procname = "sched_schedstats", 1827 .data = NULL, 1828 .maxlen = sizeof(unsigned int), 1829 .mode = 0644, 1830 .proc_handler = sysctl_schedstats, 1831 .extra1 = SYSCTL_ZERO, 1832 .extra2 = SYSCTL_ONE, 1833 }, 1834 #endif /* CONFIG_SCHEDSTATS */ 1835 #ifdef CONFIG_TASK_DELAY_ACCT 1836 { 1837 .procname = "task_delayacct", 1838 .data = NULL, 1839 .maxlen = sizeof(unsigned int), 1840 .mode = 0644, 1841 .proc_handler = sysctl_delayacct, 1842 .extra1 = SYSCTL_ZERO, 1843 .extra2 = SYSCTL_ONE, 1844 }, 1845 #endif /* CONFIG_TASK_DELAY_ACCT */ 1846 #ifdef CONFIG_NUMA_BALANCING 1847 { 1848 .procname = "numa_balancing", 1849 .data = NULL, /* filled in by handler */ 1850 .maxlen = sizeof(unsigned int), 1851 .mode = 0644, 1852 .proc_handler = sysctl_numa_balancing, 1853 .extra1 = SYSCTL_ZERO, 1854 .extra2 = SYSCTL_ONE, 1855 }, 1856 #endif /* CONFIG_NUMA_BALANCING */ 1857 { 1858 .procname = "sched_rt_period_us", 1859 .data = &sysctl_sched_rt_period, 1860 .maxlen = sizeof(unsigned int), 1861 .mode = 0644, 1862 .proc_handler = sched_rt_handler, 1863 }, 1864 { 1865 .procname = "sched_rt_runtime_us", 1866 .data = &sysctl_sched_rt_runtime, 1867 .maxlen = sizeof(int), 1868 .mode = 0644, 1869 .proc_handler = sched_rt_handler, 1870 }, 1871 { 1872 .procname = "sched_deadline_period_max_us", 1873 .data = &sysctl_sched_dl_period_max, 1874 .maxlen = sizeof(unsigned int), 1875 .mode = 0644, 1876 .proc_handler = proc_dointvec, 1877 }, 1878 { 1879 .procname = "sched_deadline_period_min_us", 1880 .data = &sysctl_sched_dl_period_min, 1881 .maxlen = sizeof(unsigned int), 1882 .mode = 0644, 1883 .proc_handler = proc_dointvec, 1884 }, 1885 { 1886 .procname = "sched_rr_timeslice_ms", 1887 .data = &sysctl_sched_rr_timeslice, 1888 .maxlen = sizeof(int), 1889 .mode = 0644, 1890 .proc_handler = sched_rr_handler, 1891 }, 1892 #ifdef CONFIG_UCLAMP_TASK 1893 { 1894 .procname = "sched_util_clamp_min", 1895 .data = &sysctl_sched_uclamp_util_min, 1896 .maxlen = sizeof(unsigned int), 1897 .mode = 0644, 1898 .proc_handler = sysctl_sched_uclamp_handler, 1899 }, 1900 { 1901 .procname = "sched_util_clamp_max", 1902 .data = &sysctl_sched_uclamp_util_max, 1903 .maxlen = sizeof(unsigned int), 1904 .mode = 0644, 1905 .proc_handler = sysctl_sched_uclamp_handler, 1906 }, 1907 { 1908 .procname = "sched_util_clamp_min_rt_default", 1909 .data = &sysctl_sched_uclamp_util_min_rt_default, 1910 .maxlen = sizeof(unsigned int), 1911 .mode = 0644, 1912 .proc_handler = sysctl_sched_uclamp_handler, 1913 }, 1914 #endif 1915 #ifdef CONFIG_SCHED_AUTOGROUP 1916 { 1917 .procname = "sched_autogroup_enabled", 1918 .data = &sysctl_sched_autogroup_enabled, 1919 .maxlen = sizeof(unsigned int), 1920 .mode = 0644, 1921 .proc_handler = proc_dointvec_minmax, 1922 .extra1 = SYSCTL_ZERO, 1923 .extra2 = SYSCTL_ONE, 1924 }, 1925 #endif 1926 #ifdef CONFIG_CFS_BANDWIDTH 1927 { 1928 .procname = "sched_cfs_bandwidth_slice_us", 1929 .data = &sysctl_sched_cfs_bandwidth_slice, 1930 .maxlen = sizeof(unsigned int), 1931 .mode = 0644, 1932 .proc_handler = proc_dointvec_minmax, 1933 .extra1 = SYSCTL_ONE, 1934 }, 1935 #endif 1936 #if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) 1937 { 1938 .procname = "sched_energy_aware", 1939 .data = &sysctl_sched_energy_aware, 1940 .maxlen = sizeof(unsigned int), 1941 .mode = 0644, 1942 .proc_handler = sched_energy_aware_handler, 1943 .extra1 = SYSCTL_ZERO, 1944 .extra2 = SYSCTL_ONE, 1945 }, 1946 #endif 1947 #ifdef CONFIG_PROVE_LOCKING 1948 { 1949 .procname = "prove_locking", 1950 .data = &prove_locking, 1951 .maxlen = sizeof(int), 1952 .mode = 0644, 1953 .proc_handler = proc_dointvec, 1954 }, 1955 #endif 1956 #ifdef CONFIG_LOCK_STAT 1957 { 1958 .procname = "lock_stat", 1959 .data = &lock_stat, 1960 .maxlen = sizeof(int), 1961 .mode = 0644, 1962 .proc_handler = proc_dointvec, 1963 }, 1964 #endif 1965 { 1966 .procname = "panic", 1967 .data = &panic_timeout, 1968 .maxlen = sizeof(int), 1969 .mode = 0644, 1970 .proc_handler = proc_dointvec, 1971 }, 1972 #ifdef CONFIG_COREDUMP 1973 { 1974 .procname = "core_uses_pid", 1975 .data = &core_uses_pid, 1976 .maxlen = sizeof(int), 1977 .mode = 0644, 1978 .proc_handler = proc_dointvec, 1979 }, 1980 { 1981 .procname = "core_pattern", 1982 .data = core_pattern, 1983 .maxlen = CORENAME_MAX_SIZE, 1984 .mode = 0644, 1985 .proc_handler = proc_dostring_coredump, 1986 }, 1987 { 1988 .procname = "core_pipe_limit", 1989 .data = &core_pipe_limit, 1990 .maxlen = sizeof(unsigned int), 1991 .mode = 0644, 1992 .proc_handler = proc_dointvec, 1993 }, 1994 #endif 1995 #ifdef CONFIG_PROC_SYSCTL 1996 { 1997 .procname = "tainted", 1998 .maxlen = sizeof(long), 1999 .mode = 0644, 2000 .proc_handler = proc_taint, 2001 }, 2002 { 2003 .procname = "sysctl_writes_strict", 2004 .data = &sysctl_writes_strict, 2005 .maxlen = sizeof(int), 2006 .mode = 0644, 2007 .proc_handler = proc_dointvec_minmax, 2008 .extra1 = SYSCTL_NEG_ONE, 2009 .extra2 = SYSCTL_ONE, 2010 }, 2011 #endif 2012 #ifdef CONFIG_LATENCYTOP 2013 { 2014 .procname = "latencytop", 2015 .data = &latencytop_enabled, 2016 .maxlen = sizeof(int), 2017 .mode = 0644, 2018 .proc_handler = sysctl_latencytop, 2019 }, 2020 #endif 2021 #ifdef CONFIG_BLK_DEV_INITRD 2022 { 2023 .procname = "real-root-dev", 2024 .data = &real_root_dev, 2025 .maxlen = sizeof(int), 2026 .mode = 0644, 2027 .proc_handler = proc_dointvec, 2028 }, 2029 #endif 2030 { 2031 .procname = "print-fatal-signals", 2032 .data = &print_fatal_signals, 2033 .maxlen = sizeof(int), 2034 .mode = 0644, 2035 .proc_handler = proc_dointvec, 2036 }, 2037 #ifdef CONFIG_SPARC 2038 { 2039 .procname = "reboot-cmd", 2040 .data = reboot_command, 2041 .maxlen = 256, 2042 .mode = 0644, 2043 .proc_handler = proc_dostring, 2044 }, 2045 { 2046 .procname = "stop-a", 2047 .data = &stop_a_enabled, 2048 .maxlen = sizeof (int), 2049 .mode = 0644, 2050 .proc_handler = proc_dointvec, 2051 }, 2052 { 2053 .procname = "scons-poweroff", 2054 .data = &scons_pwroff, 2055 .maxlen = sizeof (int), 2056 .mode = 0644, 2057 .proc_handler = proc_dointvec, 2058 }, 2059 #endif 2060 #ifdef CONFIG_SPARC64 2061 { 2062 .procname = "tsb-ratio", 2063 .data = &sysctl_tsb_ratio, 2064 .maxlen = sizeof (int), 2065 .mode = 0644, 2066 .proc_handler = proc_dointvec, 2067 }, 2068 #endif 2069 #ifdef CONFIG_PARISC 2070 { 2071 .procname = "soft-power", 2072 .data = &pwrsw_enabled, 2073 .maxlen = sizeof (int), 2074 .mode = 0644, 2075 .proc_handler = proc_dointvec, 2076 }, 2077 #endif 2078 #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW 2079 { 2080 .procname = "unaligned-trap", 2081 .data = &unaligned_enabled, 2082 .maxlen = sizeof (int), 2083 .mode = 0644, 2084 .proc_handler = proc_dointvec, 2085 }, 2086 #endif 2087 { 2088 .procname = "ctrl-alt-del", 2089 .data = &C_A_D, 2090 .maxlen = sizeof(int), 2091 .mode = 0644, 2092 .proc_handler = proc_dointvec, 2093 }, 2094 #ifdef CONFIG_FUNCTION_TRACER 2095 { 2096 .procname = "ftrace_enabled", 2097 .data = &ftrace_enabled, 2098 .maxlen = sizeof(int), 2099 .mode = 0644, 2100 .proc_handler = ftrace_enable_sysctl, 2101 }, 2102 #endif 2103 #ifdef CONFIG_STACK_TRACER 2104 { 2105 .procname = "stack_tracer_enabled", 2106 .data = &stack_tracer_enabled, 2107 .maxlen = sizeof(int), 2108 .mode = 0644, 2109 .proc_handler = stack_trace_sysctl, 2110 }, 2111 #endif 2112 #ifdef CONFIG_TRACING 2113 { 2114 .procname = "ftrace_dump_on_oops", 2115 .data = &ftrace_dump_on_oops, 2116 .maxlen = sizeof(int), 2117 .mode = 0644, 2118 .proc_handler = proc_dointvec, 2119 }, 2120 { 2121 .procname = "traceoff_on_warning", 2122 .data = &__disable_trace_on_warning, 2123 .maxlen = sizeof(__disable_trace_on_warning), 2124 .mode = 0644, 2125 .proc_handler = proc_dointvec, 2126 }, 2127 { 2128 .procname = "tracepoint_printk", 2129 .data = &tracepoint_printk, 2130 .maxlen = sizeof(tracepoint_printk), 2131 .mode = 0644, 2132 .proc_handler = tracepoint_printk_sysctl, 2133 }, 2134 #endif 2135 #ifdef CONFIG_KEXEC_CORE 2136 { 2137 .procname = "kexec_load_disabled", 2138 .data = &kexec_load_disabled, 2139 .maxlen = sizeof(int), 2140 .mode = 0644, 2141 /* only handle a transition from default "0" to "1" */ 2142 .proc_handler = proc_dointvec_minmax, 2143 .extra1 = SYSCTL_ONE, 2144 .extra2 = SYSCTL_ONE, 2145 }, 2146 #endif 2147 #ifdef CONFIG_MODULES 2148 { 2149 .procname = "modprobe", 2150 .data = &modprobe_path, 2151 .maxlen = KMOD_PATH_LEN, 2152 .mode = 0644, 2153 .proc_handler = proc_dostring, 2154 }, 2155 { 2156 .procname = "modules_disabled", 2157 .data = &modules_disabled, 2158 .maxlen = sizeof(int), 2159 .mode = 0644, 2160 /* only handle a transition from default "0" to "1" */ 2161 .proc_handler = proc_dointvec_minmax, 2162 .extra1 = SYSCTL_ONE, 2163 .extra2 = SYSCTL_ONE, 2164 }, 2165 #endif 2166 #ifdef CONFIG_UEVENT_HELPER 2167 { 2168 .procname = "hotplug", 2169 .data = &uevent_helper, 2170 .maxlen = UEVENT_HELPER_PATH_LEN, 2171 .mode = 0644, 2172 .proc_handler = proc_dostring, 2173 }, 2174 #endif 2175 #ifdef CONFIG_CHR_DEV_SG 2176 { 2177 .procname = "sg-big-buff", 2178 .data = &sg_big_buff, 2179 .maxlen = sizeof (int), 2180 .mode = 0444, 2181 .proc_handler = proc_dointvec, 2182 }, 2183 #endif 2184 #ifdef CONFIG_BSD_PROCESS_ACCT 2185 { 2186 .procname = "acct", 2187 .data = &acct_parm, 2188 .maxlen = 3*sizeof(int), 2189 .mode = 0644, 2190 .proc_handler = proc_dointvec, 2191 }, 2192 #endif 2193 #ifdef CONFIG_MAGIC_SYSRQ 2194 { 2195 .procname = "sysrq", 2196 .data = NULL, 2197 .maxlen = sizeof (int), 2198 .mode = 0644, 2199 .proc_handler = sysrq_sysctl_handler, 2200 }, 2201 #endif 2202 #ifdef CONFIG_PROC_SYSCTL 2203 { 2204 .procname = "cad_pid", 2205 .data = NULL, 2206 .maxlen = sizeof (int), 2207 .mode = 0600, 2208 .proc_handler = proc_do_cad_pid, 2209 }, 2210 #endif 2211 { 2212 .procname = "threads-max", 2213 .data = NULL, 2214 .maxlen = sizeof(int), 2215 .mode = 0644, 2216 .proc_handler = sysctl_max_threads, 2217 }, 2218 { 2219 .procname = "random", 2220 .mode = 0555, 2221 .child = random_table, 2222 }, 2223 { 2224 .procname = "usermodehelper", 2225 .mode = 0555, 2226 .child = usermodehelper_table, 2227 }, 2228 #ifdef CONFIG_FW_LOADER_USER_HELPER 2229 { 2230 .procname = "firmware_config", 2231 .mode = 0555, 2232 .child = firmware_config_table, 2233 }, 2234 #endif 2235 { 2236 .procname = "overflowuid", 2237 .data = &overflowuid, 2238 .maxlen = sizeof(int), 2239 .mode = 0644, 2240 .proc_handler = proc_dointvec_minmax, 2241 .extra1 = (void *)&minolduid, 2242 .extra2 = (void *)&maxolduid, 2243 }, 2244 { 2245 .procname = "overflowgid", 2246 .data = &overflowgid, 2247 .maxlen = sizeof(int), 2248 .mode = 0644, 2249 .proc_handler = proc_dointvec_minmax, 2250 .extra1 = (void *)&minolduid, 2251 .extra2 = (void *)&maxolduid, 2252 }, 2253 #ifdef CONFIG_S390 2254 { 2255 .procname = "userprocess_debug", 2256 .data = &show_unhandled_signals, 2257 .maxlen = sizeof(int), 2258 .mode = 0644, 2259 .proc_handler = proc_dointvec, 2260 }, 2261 #endif 2262 #ifdef CONFIG_SMP 2263 { 2264 .procname = "oops_all_cpu_backtrace", 2265 .data = &sysctl_oops_all_cpu_backtrace, 2266 .maxlen = sizeof(int), 2267 .mode = 0644, 2268 .proc_handler = proc_dointvec_minmax, 2269 .extra1 = SYSCTL_ZERO, 2270 .extra2 = SYSCTL_ONE, 2271 }, 2272 #endif /* CONFIG_SMP */ 2273 { 2274 .procname = "pid_max", 2275 .data = &pid_max, 2276 .maxlen = sizeof (int), 2277 .mode = 0644, 2278 .proc_handler = proc_dointvec_minmax, 2279 .extra1 = &pid_max_min, 2280 .extra2 = &pid_max_max, 2281 }, 2282 { 2283 .procname = "panic_on_oops", 2284 .data = &panic_on_oops, 2285 .maxlen = sizeof(int), 2286 .mode = 0644, 2287 .proc_handler = proc_dointvec, 2288 }, 2289 { 2290 .procname = "panic_print", 2291 .data = &panic_print, 2292 .maxlen = sizeof(unsigned long), 2293 .mode = 0644, 2294 .proc_handler = proc_doulongvec_minmax, 2295 }, 2296 #if defined CONFIG_PRINTK 2297 { 2298 .procname = "printk", 2299 .data = &console_loglevel, 2300 .maxlen = 4*sizeof(int), 2301 .mode = 0644, 2302 .proc_handler = proc_dointvec, 2303 }, 2304 { 2305 .procname = "printk_ratelimit", 2306 .data = &printk_ratelimit_state.interval, 2307 .maxlen = sizeof(int), 2308 .mode = 0644, 2309 .proc_handler = proc_dointvec_jiffies, 2310 }, 2311 { 2312 .procname = "printk_ratelimit_burst", 2313 .data = &printk_ratelimit_state.burst, 2314 .maxlen = sizeof(int), 2315 .mode = 0644, 2316 .proc_handler = proc_dointvec, 2317 }, 2318 { 2319 .procname = "printk_delay", 2320 .data = &printk_delay_msec, 2321 .maxlen = sizeof(int), 2322 .mode = 0644, 2323 .proc_handler = proc_dointvec_minmax, 2324 .extra1 = SYSCTL_ZERO, 2325 .extra2 = (void *)&ten_thousand, 2326 }, 2327 { 2328 .procname = "printk_devkmsg", 2329 .data = devkmsg_log_str, 2330 .maxlen = DEVKMSG_STR_MAX_SIZE, 2331 .mode = 0644, 2332 .proc_handler = devkmsg_sysctl_set_loglvl, 2333 }, 2334 { 2335 .procname = "dmesg_restrict", 2336 .data = &dmesg_restrict, 2337 .maxlen = sizeof(int), 2338 .mode = 0644, 2339 .proc_handler = proc_dointvec_minmax_sysadmin, 2340 .extra1 = SYSCTL_ZERO, 2341 .extra2 = SYSCTL_ONE, 2342 }, 2343 { 2344 .procname = "kptr_restrict", 2345 .data = &kptr_restrict, 2346 .maxlen = sizeof(int), 2347 .mode = 0644, 2348 .proc_handler = proc_dointvec_minmax_sysadmin, 2349 .extra1 = SYSCTL_ZERO, 2350 .extra2 = SYSCTL_TWO, 2351 }, 2352 #endif 2353 { 2354 .procname = "ngroups_max", 2355 .data = (void *)&ngroups_max, 2356 .maxlen = sizeof (int), 2357 .mode = 0444, 2358 .proc_handler = proc_dointvec, 2359 }, 2360 { 2361 .procname = "cap_last_cap", 2362 .data = (void *)&cap_last_cap, 2363 .maxlen = sizeof(int), 2364 .mode = 0444, 2365 .proc_handler = proc_dointvec, 2366 }, 2367 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) 2368 { 2369 .procname = "unknown_nmi_panic", 2370 .data = &unknown_nmi_panic, 2371 .maxlen = sizeof (int), 2372 .mode = 0644, 2373 .proc_handler = proc_dointvec, 2374 }, 2375 #endif 2376 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org