tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab commit: fad84e39f116035ae8d550c6020107b8ac113b45 ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA config: arc-randconfig-r071-20231128 (https://download.01.org/0day-ci/archive/20231128/202311280906.vaiweaft-...@intel.com/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231128/202311280906.vaiweaft-...@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <l...@intel.com> | Reported-by: Dan Carpenter <erro...@gmail.com> | Closes: https://lore.kernel.org/r/202311280906.vaiweaft-...@intel.com/ New smatch warnings: arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol 'release'. Old smatch warnings: arch/arc/include/asm/thread_info.h:62 current_thread_info() error: uninitialized symbol 'sp'. vim +/release +203 arch/arc/kernel/setup.c fad84e39f11603 Vineet Gupta 2020-06-11 150 static int arcv2_mumbojumbo(int c, struct cpuinfo_arc *info, char *buf, int len) fad84e39f11603 Vineet Gupta 2020-06-11 151 { fad84e39f11603 Vineet Gupta 2020-06-11 152 int n = 0; fad84e39f11603 Vineet Gupta 2020-06-11 153 #ifdef CONFIG_ISA_ARCV2 fad84e39f11603 Vineet Gupta 2020-06-11 154 const char *release, *cpu_nm, *isa_nm = "ARCv2"; fad84e39f11603 Vineet Gupta 2020-06-11 155 int dual_issue = 0, dual_enb = 0, mpy_opt, present; fad84e39f11603 Vineet Gupta 2020-06-11 156 int bpu_full, bpu_cache, bpu_pred, bpu_ret_stk; fad84e39f11603 Vineet Gupta 2020-06-11 157 char mpy_nm[16], lpb_nm[32]; fad84e39f11603 Vineet Gupta 2020-06-11 158 struct bcr_isa_arcv2 isa; fad84e39f11603 Vineet Gupta 2020-06-11 159 struct bcr_mpy mpy; fad84e39f11603 Vineet Gupta 2020-06-11 160 struct bcr_fp_arcv2 fpu; fad84e39f11603 Vineet Gupta 2020-06-11 161 struct bcr_bpu_arcv2 bpu; fad84e39f11603 Vineet Gupta 2020-06-11 162 struct bcr_lpb lpb; fad84e39f11603 Vineet Gupta 2020-06-11 163 struct bcr_iccm_arcv2 iccm; fad84e39f11603 Vineet Gupta 2020-06-11 164 struct bcr_dccm_arcv2 dccm; fad84e39f11603 Vineet Gupta 2020-06-11 165 struct bcr_erp erp; 00a4ae65cc600b Vineet Gupta 2019-02-25 166 00a4ae65cc600b Vineet Gupta 2019-02-25 167 /* 97d0b5d0b5a998 Vineet Gupta 2020-06-10 168 * Initial HS cores bumped AUX IDENTITY.ARCVER for each release until 97d0b5d0b5a998 Vineet Gupta 2020-06-10 169 * ARCVER 0x54 which introduced AUX MICRO_ARCH_BUILD and subsequent 97d0b5d0b5a998 Vineet Gupta 2020-06-10 170 * releases only update it. 00a4ae65cc600b Vineet Gupta 2019-02-25 171 */ 00a4ae65cc600b Vineet Gupta 2019-02-25 172 fad84e39f11603 Vineet Gupta 2020-06-11 173 cpu_nm = "HS38"; 00a4ae65cc600b Vineet Gupta 2019-02-25 174 fad84e39f11603 Vineet Gupta 2020-06-11 175 if (info->arcver > 0x50 && info->arcver <= 0x53) { fad84e39f11603 Vineet Gupta 2020-06-11 176 release = arc_hs_rel[info->arcver - 0x51].str; 00a4ae65cc600b Vineet Gupta 2019-02-25 177 } else { fad84e39f11603 Vineet Gupta 2020-06-11 178 const struct id_to_str *tbl; fad84e39f11603 Vineet Gupta 2020-06-11 179 struct bcr_uarch_build uarch; fad84e39f11603 Vineet Gupta 2020-06-11 180 fad84e39f11603 Vineet Gupta 2020-06-11 181 READ_BCR(ARC_REG_MICRO_ARCH_BCR, uarch); 00a4ae65cc600b Vineet Gupta 2019-02-25 182 97d0b5d0b5a998 Vineet Gupta 2020-06-10 183 for (tbl = &arc_hs_ver54_rel[0]; tbl->id != 0xFF; tbl++) { 00a4ae65cc600b Vineet Gupta 2019-02-25 184 if (uarch.maj == tbl->id) { fad84e39f11603 Vineet Gupta 2020-06-11 185 release = tbl->str; Will we always hit this assignment? d975cbc8acb6f4 Vineet Gupta 2016-10-27 186 break; d975cbc8acb6f4 Vineet Gupta 2016-10-27 187 } 00a4ae65cc600b Vineet Gupta 2019-02-25 188 } fad84e39f11603 Vineet Gupta 2020-06-11 189 if (uarch.prod == 4) { fad84e39f11603 Vineet Gupta 2020-06-11 190 unsigned int exec_ctrl; 00a4ae65cc600b Vineet Gupta 2019-02-25 191 fad84e39f11603 Vineet Gupta 2020-06-11 192 cpu_nm = "HS48"; fad84e39f11603 Vineet Gupta 2020-06-11 193 dual_issue = 1; fad84e39f11603 Vineet Gupta 2020-06-11 194 /* if dual issue hardware, is it enabled ? */ fad84e39f11603 Vineet Gupta 2020-06-11 195 READ_BCR(AUX_EXEC_CTRL, exec_ctrl); fad84e39f11603 Vineet Gupta 2020-06-11 196 dual_enb = !(exec_ctrl & 1); fad84e39f11603 Vineet Gupta 2020-06-11 197 } fad84e39f11603 Vineet Gupta 2020-06-11 198 } 73e284d2572581 Vineet Gupta 2016-10-20 199 fad84e39f11603 Vineet Gupta 2020-06-11 200 READ_BCR(ARC_REG_ISA_CFG_BCR, isa); b89bd1f4fbaeca Vineet Gupta 2016-01-22 201 fad84e39f11603 Vineet Gupta 2020-06-11 202 n += scnprintf(buf + n, len - n, "processor [%d]\t: %s %s (%s ISA) %s%s%s\n", fad84e39f11603 Vineet Gupta 2020-06-11 @203 c, cpu_nm, release, isa_nm, fad84e39f11603 Vineet Gupta 2020-06-11 204 IS_AVAIL1(isa.be, "[Big-Endian]"), fad84e39f11603 Vineet Gupta 2020-06-11 205 IS_AVAIL3(dual_issue, dual_enb, " Dual-Issue ")); af61742813aa9d Vineet Gupta 2013-01-18 206 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc
