BCC: l...@intel.com CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Peter Zijlstra <pet...@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7726d4c3e60bfe206738894267414a5f10510f1a commit: a1a5482a2c6e38a3ebed32e571625c56a8cc41a6 x86/extable: Fix ex_handler_msr() print condition date: 6 weeks ago :::::: branch date: 9 hours ago :::::: commit date: 6 weeks ago config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220904/202209042143.vg5cdikh-...@intel.com/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: kernel/rcu/rcutorture.c:3372 rcu_torture_init() warn: Function too hairy. No more merges. vim +3372 kernel/rcu/rcutorture.c 3a6cb58f159e64 kernel/rcu/rcutorture.c Paul E. McKenney 2018-12-10 3137 6f8bc500a10ab9 kernel/rcutorture.c Josh Triplett 2007-05-08 3138 static int __init a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3139 rcu_torture_init(void) a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3140 { c04dd09bd38c0d kernel/rcu/rcutorture.c Paul E. McKenney 2018-07-23 3141 long i; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3142 int cpu; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3143 int firsterr = 0; 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3144) int flags = 0; 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3145) unsigned long gp_seq = 0; 2ec1f2d9875229 kernel/rcutorture.c Paul E. McKenney 2013-06-12 3146 static struct rcu_torture_ops *torture_ops[] = { 40c1278aa7cd51 kernel/rcu/rcutorture.c Paul E. McKenney 2022-03-17 3147 &rcu_ops, &rcu_busted_ops, &srcu_ops, &srcud_ops, &busted_srcud_ops, 4c3f7b0e1e880e kernel/rcu/rcutorture.c Paul E. McKenney 2022-03-17 3148 TASKS_OPS TASKS_RUDE_OPS TASKS_TRACING_OPS 40c1278aa7cd51 kernel/rcu/rcutorture.c Paul E. McKenney 2022-03-17 3149 &trivial_ops, 2ec1f2d9875229 kernel/rcutorture.c Paul E. McKenney 2013-06-12 3150 }; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3151 a2f2577d96ad06 kernel/rcu/rcutorture.c Paul E. McKenney 2017-11-21 3152 if (!torture_init_begin(torture_type, verbose)) 5228084eed8d54 kernel/rcu/rcutorture.c Paul E. McKenney 2014-04-07 3153 return -EBUSY; 343e9099c8152d kernel/rcutorture.c Paul E. McKenney 2008-12-15 3154 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3155 /* Process args and tell the world that the torturer is on the job. */ ade5fb818fb186 kernel/rcutorture.c Josh Triplett 2007-05-08 3156 for (i = 0; i < ARRAY_SIZE(torture_ops); i++) { 72e9bb549280b3 kernel/rcutorture.c Paul E. McKenney 2006-06-27 3157 cur_ops = torture_ops[i]; ade5fb818fb186 kernel/rcutorture.c Josh Triplett 2007-05-08 3158 if (strcmp(torture_type, cur_ops->name) == 0) 72e9bb549280b3 kernel/rcutorture.c Paul E. McKenney 2006-06-27 3159 break; 72e9bb549280b3 kernel/rcutorture.c Paul E. McKenney 2006-06-27 3160 } ade5fb818fb186 kernel/rcutorture.c Josh Triplett 2007-05-08 3161 if (i == ARRAY_SIZE(torture_ops)) { 2caa1e4432be72 kernel/rcutorture.c Paul E. McKenney 2012-08-09 3162 pr_alert("rcu-torture: invalid torture type: \"%s\"\n", 72e9bb549280b3 kernel/rcutorture.c Paul E. McKenney 2006-06-27 3163 torture_type); 2caa1e4432be72 kernel/rcutorture.c Paul E. McKenney 2012-08-09 3164 pr_alert("rcu-torture types:"); cf886c44ec418a kernel/rcutorture.c Paul E. McKenney 2009-10-25 3165 for (i = 0; i < ARRAY_SIZE(torture_ops); i++) a7538352da722f kernel/rcu/rcutorture.c Joe Perches 2018-05-14 3166 pr_cont(" %s", torture_ops[i]->name); a7538352da722f kernel/rcu/rcutorture.c Joe Perches 2018-05-14 3167 pr_cont("\n"); 889d487a26de4b kernel/rcu/rcutorture.c Paul E. McKenney 2015-08-24 3168 firsterr = -EINVAL; b813afae7ab6a5 kernel/rcu/rcutorture.c Paul E. McKenney 2019-03-21 3169 cur_ops = NULL; 889d487a26de4b kernel/rcu/rcutorture.c Paul E. McKenney 2015-08-24 3170 goto unwind; 72e9bb549280b3 kernel/rcutorture.c Paul E. McKenney 2006-06-27 3171 } bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3172 if (cur_ops->fqs == NULL && fqs_duration != 0) { 2caa1e4432be72 kernel/rcutorture.c Paul E. McKenney 2012-08-09 3173 pr_alert("rcu-torture: ->fqs NULL and non-zero fqs_duration, fqs disabled.\n"); bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3174 fqs_duration = 0; bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3175 } c8e5b163101c5d kernel/rcutorture.c Josh Triplett 2007-05-08 3176 if (cur_ops->init) 889d487a26de4b kernel/rcu/rcutorture.c Paul E. McKenney 2015-08-24 3177 cur_ops->init(); 72e9bb549280b3 kernel/rcutorture.c Paul E. McKenney 2006-06-27 3178 64e4b43ae05014 kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-12 3179 if (nreaders >= 0) { a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3180 nrealreaders = nreaders; 64e4b43ae05014 kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-12 3181 } else { 3838cc1850ccd0 kernel/rcu/rcutorture.c Paul E. McKenney 2015-03-12 3182 nrealreaders = num_online_cpus() - 2 - nreaders; 64e4b43ae05014 kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-12 3183 if (nrealreaders <= 0) 64e4b43ae05014 kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-12 3184 nrealreaders = 1; 64e4b43ae05014 kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-12 3185 } 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3186 rcu_torture_print_module_parms(cur_ops, "Start of test"); 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3187) rcutorture_get_gp_data(cur_ops->ttype, &flags, &gp_seq); 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3188) srcutorture_get_gp_data(cur_ops->ttype, srcu_ctlp, &flags, &gp_seq); 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3189) start_gp_seq = gp_seq; 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3190) pr_alert("%s: Start-test grace-period state: g%ld f%#x\n", 959954df0ca7da kernel/rcu/rcutorture.c Joel Fernandes (Google 2020-06-18 3191) cur_ops->name, (long)gp_seq, flags); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3192 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3193 /* Set up the freelist. */ a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3194 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3195 INIT_LIST_HEAD(&rcu_torture_freelist); 788e770eb2d172 kernel/rcutorture.c Ahmed S. Darwish 2007-05-08 3196 for (i = 0; i < ARRAY_SIZE(rcu_tortures); i++) { 996417d2c4eb58 kernel/rcutorture.c Paul E. McKenney 2005-11-18 3197 rcu_tortures[i].rtort_mbtest = 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3198 list_add_tail(&rcu_tortures[i].rtort_free, a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3199 &rcu_torture_freelist); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3200 } a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3201 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3202 /* Initialize the statistics so that each run gets its own numbers. */ a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3203 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3204 rcu_torture_current = NULL; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3205 rcu_torture_current_version = 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3206 atomic_set(&n_rcu_torture_alloc, 0); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3207 atomic_set(&n_rcu_torture_alloc_fail, 0); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3208 atomic_set(&n_rcu_torture_free, 0); 996417d2c4eb58 kernel/rcutorture.c Paul E. McKenney 2005-11-18 3209 atomic_set(&n_rcu_torture_mberror, 0); 00504537f44422 kernel/rcu/rcutorture.c Paul E. McKenney 2020-10-29 3210 atomic_set(&n_rcu_torture_mbchk_fail, 0); 00504537f44422 kernel/rcu/rcutorture.c Paul E. McKenney 2020-10-29 3211 atomic_set(&n_rcu_torture_mbchk_tries, 0); 996417d2c4eb58 kernel/rcutorture.c Paul E. McKenney 2005-11-18 3212 atomic_set(&n_rcu_torture_error, 0); fae4b54f28f034 kernel/rcutorture.c Paul E. McKenney 2012-02-20 3213 n_rcu_torture_barrier_error = 0; 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3214 n_rcu_torture_boost_ktrerror = 0; 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3215 n_rcu_torture_boost_rterror = 0; 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3216 n_rcu_torture_boost_failure = 0; 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3217 n_rcu_torture_boosts = 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3218 for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3219 atomic_set(&rcu_torture_wcount[i], 0); 0a945022778f10 kernel/rcutorture.c KAMEZAWA Hiroyuki 2006-03-28 3220 for_each_possible_cpu(cpu) { a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3221 for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3222 per_cpu(rcu_torture_count, cpu)[i] = 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3223 per_cpu(rcu_torture_batch, cpu)[i] = 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3224 } a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3225 } c116dba68d1924 kernel/rcu/rcutorture.c Paul E. McKenney 2018-07-13 3226 err_segs_recorded = 0; c116dba68d1924 kernel/rcu/rcutorture.c Paul E. McKenney 2018-07-13 3227 rt_read_nsegs = 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3228 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3229 /* Start up the kthreads. */ a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3230 18fbf307b7319a kernel/rcu/rcutorture.c Paul E. McKenney 2020-11-16 3231 rcu_torture_write_types(); 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3232 firsterr = torture_create_kthread(rcu_torture_writer, NULL, 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3233 writer_task); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3234 if (torture_init_error(firsterr)) a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3235 goto unwind; 4444d852a99b8f kernel/rcu/rcutorture.c Paul E. McKenney 2015-05-14 3236 if (nfakewriters > 0) { 68a675d433fbaa kernel/rcu/rcutorture.c Paul E. McKenney 2017-12-01 3237 fakewriter_tasks = kcalloc(nfakewriters, 4444d852a99b8f kernel/rcu/rcutorture.c Paul E. McKenney 2015-05-14 3238 sizeof(fakewriter_tasks[0]), b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3239 GFP_KERNEL); b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3240 if (fakewriter_tasks == NULL) { 81faa4f6fba429 kernel/rcu/rcutorture.c Li Zhijian 2021-11-03 3241 TOROUT_ERRSTRING("out of memory"); b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3242 firsterr = -ENOMEM; b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3243 goto unwind; b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3244 } 4444d852a99b8f kernel/rcu/rcutorture.c Paul E. McKenney 2015-05-14 3245 } b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3246 for (i = 0; i < nfakewriters; i++) { 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3247 firsterr = torture_create_kthread(rcu_torture_fakewriter, 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3248 NULL, fakewriter_tasks[i]); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3249 if (torture_init_error(firsterr)) b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3250 goto unwind; b772e1dd4b1e60 kernel/rcutorture.c Josh Triplett 2006-10-04 3251 } 68a675d433fbaa kernel/rcu/rcutorture.c Paul E. McKenney 2017-12-01 3252 reader_tasks = kcalloc(nrealreaders, sizeof(reader_tasks[0]), a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3253 GFP_KERNEL); 00504537f44422 kernel/rcu/rcutorture.c Paul E. McKenney 2020-10-29 3254 rcu_torture_reader_mbchk = kcalloc(nrealreaders, sizeof(*rcu_torture_reader_mbchk), 00504537f44422 kernel/rcu/rcutorture.c Paul E. McKenney 2020-10-29 3255 GFP_KERNEL); 00504537f44422 kernel/rcu/rcutorture.c Paul E. McKenney 2020-10-29 3256 if (!reader_tasks || !rcu_torture_reader_mbchk) { 81faa4f6fba429 kernel/rcu/rcutorture.c Li Zhijian 2021-11-03 3257 TOROUT_ERRSTRING("out of memory"); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3258 firsterr = -ENOMEM; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3259 goto unwind; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3260 } a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3261 for (i = 0; i < nrealreaders; i++) { 00504537f44422 kernel/rcu/rcutorture.c Paul E. McKenney 2020-10-29 3262 rcu_torture_reader_mbchk[i].rtc_chkrdr = -1; c04dd09bd38c0d kernel/rcu/rcutorture.c Paul E. McKenney 2018-07-23 3263 firsterr = torture_create_kthread(rcu_torture_reader, (void *)i, 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3264 reader_tasks[i]); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3265 if (torture_init_error(firsterr)) a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3266 goto unwind; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3267 } 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3268 nrealnocbers = nocbs_nthreads; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3269 if (WARN_ON(nrealnocbers < 0)) 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3270 nrealnocbers = 1; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3271 if (WARN_ON(nocbs_toggle < 0)) 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3272 nocbs_toggle = HZ; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3273 if (nrealnocbers > 0) { 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3274 nocb_tasks = kcalloc(nrealnocbers, sizeof(nocb_tasks[0]), GFP_KERNEL); 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3275 if (nocb_tasks == NULL) { 81faa4f6fba429 kernel/rcu/rcutorture.c Li Zhijian 2021-11-03 3276 TOROUT_ERRSTRING("out of memory"); 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3277 firsterr = -ENOMEM; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3278 goto unwind; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3279 } 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3280 } else { 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3281 nocb_tasks = NULL; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3282 } 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3283 for (i = 0; i < nrealnocbers; i++) { 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3284 firsterr = torture_create_kthread(rcu_nocb_toggle, NULL, nocb_tasks[i]); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3285 if (torture_init_error(firsterr)) 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3286 goto unwind; 2c4319bd1d14d0 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-23 3287 } a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3288 if (stat_interval > 0) { 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3289 firsterr = torture_create_kthread(rcu_torture_stats, NULL, 47cf29b9e72196 kernel/rcu/rcutorture.c Paul E. McKenney 2014-02-03 3290 stats_task); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3291 if (torture_init_error(firsterr)) a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3292 goto unwind; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3293 } e8e255f7191fb6 kernel/rcu/rcutorture.c Paul E. McKenney 2015-05-14 3294 if (test_no_idle_hz && shuffle_interval > 0) { 3808dc9fab0591 kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-28 3295 firsterr = torture_shuffle_init(shuffle_interval * HZ); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3296 if (torture_init_error(firsterr)) d84f520348d77e kernel/rcutorture.c Srivatsa Vaddagiri 2006-01-08 3297 goto unwind; d84f520348d77e kernel/rcutorture.c Srivatsa Vaddagiri 2006-01-08 3298 } d120f65f3aaf30 kernel/rcutorture.c Paul E. McKenney 2008-06-18 3299 if (stutter < 0) d120f65f3aaf30 kernel/rcutorture.c Paul E. McKenney 2008-06-18 3300 stutter = 0; d120f65f3aaf30 kernel/rcutorture.c Paul E. McKenney 2008-06-18 3301 if (stutter) { ff3bf92d90d396 kernel/rcu/rcutorture.c Paul E. McKenney 2019-04-09 3302 int t; ff3bf92d90d396 kernel/rcu/rcutorture.c Paul E. McKenney 2019-04-09 3303 ff3bf92d90d396 kernel/rcu/rcutorture.c Paul E. McKenney 2019-04-09 3304 t = cur_ops->stall_dur ? cur_ops->stall_dur() : stutter * HZ; ff3bf92d90d396 kernel/rcu/rcutorture.c Paul E. McKenney 2019-04-09 3305 firsterr = torture_stutter_init(stutter * HZ, t); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3306 if (torture_init_error(firsterr)) d120f65f3aaf30 kernel/rcutorture.c Paul E. McKenney 2008-06-18 3307 goto unwind; d120f65f3aaf30 kernel/rcutorture.c Paul E. McKenney 2008-06-18 3308 } bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3309 if (fqs_duration < 0) bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3310 fqs_duration = 0; bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3311 if (fqs_duration) { 628edaa5062282 kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-31 3312 /* Create the fqs thread */ d0d0606e2c13ad kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-17 3313 firsterr = torture_create_kthread(rcu_torture_fqs, NULL, d0d0606e2c13ad kernel/rcu/rcutorture.c Paul E. McKenney 2014-03-17 3314 fqs_task); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3315 if (torture_init_error(firsterr)) bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3316 goto unwind; bf66f18e79e34c kernel/rcutorture.c Paul E. McKenney 2010-01-04 3317 } 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3318 if (test_boost_interval < 1) 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3319 test_boost_interval = 1; 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3320 if (test_boost_duration < 2) 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3321 test_boost_duration = 2; 4babd855fd6137 kernel/rcu/rcutorture.c Joel Fernandes (Google 2018-06-19 3322) if (rcu_torture_can_boost()) { 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3323 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3324 boost_starttime = jiffies + test_boost_interval * HZ; 0ffd374b2207a1 kernel/rcu/rcutorture.c Sebastian Andrzej Siewior 2016-08-18 3325 0ffd374b2207a1 kernel/rcu/rcutorture.c Sebastian Andrzej Siewior 2016-08-18 3326 firsterr = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "RCU_TORTURE", 0ffd374b2207a1 kernel/rcu/rcutorture.c Sebastian Andrzej Siewior 2016-08-18 3327 rcutorture_booster_init, 0ffd374b2207a1 kernel/rcu/rcutorture.c Sebastian Andrzej Siewior 2016-08-18 3328 rcutorture_booster_cleanup); 0ffd374b2207a1 kernel/rcu/rcutorture.c Sebastian Andrzej Siewior 2016-08-18 3329 rcutor_hp = firsterr; efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3330 if (torture_init_error(firsterr)) 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3331 goto unwind; ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3332 ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3333 // Testing RCU priority boosting requires rcutorture do ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3334 // some serious abuse. Counter this by running ksoftirqd ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3335 // at higher priority. ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3336 if (IS_BUILTIN(CONFIG_RCU_TORTURE_TEST)) { ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3337 for_each_online_cpu(cpu) { ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3338 struct sched_param sp; ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3339 struct task_struct *t; ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3340 ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3341 t = per_cpu(ksoftirqd, cpu); ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3342 WARN_ON_ONCE(!t); ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3343 sp.sched_priority = 2; ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3344 sched_setscheduler_nocheck(t, SCHED_FIFO, &sp); ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3345 } ea6d962e80b619 kernel/rcu/rcutorture.c Paul E. McKenney 2021-03-30 3346 } 8e8be45e8e55da kernel/rcutorture.c Paul E. McKenney 2010-09-02 3347 } 60013d5d2b4031 kernel/rcu/rcutorture.c Paul E. McKenney 2019-07-10 3348 shutdown_jiffies = jiffies + shutdown_secs * HZ; 01025ebc99e39a kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-31 3349 firsterr = torture_shutdown_init(shutdown_secs, rcu_torture_cleanup); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3350 if (torture_init_error(firsterr)) d5f546d834ddc4 kernel/rcutorture.c Paul E. McKenney 2011-11-04 3351 goto unwind; 3a6cb58f159e64 kernel/rcu/rcutorture.c Paul E. McKenney 2018-12-10 3352 firsterr = torture_onoff_init(onoff_holdoff * HZ, onoff_interval, 3a6cb58f159e64 kernel/rcu/rcutorture.c Paul E. McKenney 2018-12-10 3353 rcutorture_sync); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3354 if (torture_init_error(firsterr)) 37e377d2823e03 kernel/rcutorture.c Paul E. McKenney 2012-02-17 3355 goto unwind; 01025ebc99e39a kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-31 3356 firsterr = rcu_torture_stall_init(); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3357 if (torture_init_error(firsterr)) 1b27291b1ea4f1 kernel/rcu/rcutorture.c Paul E. McKenney 2018-07-18 3358 goto unwind; 1b27291b1ea4f1 kernel/rcu/rcutorture.c Paul E. McKenney 2018-07-18 3359 firsterr = rcu_torture_fwd_prog_init(); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3360 if (torture_init_error(firsterr)) 37e377d2823e03 kernel/rcutorture.c Paul E. McKenney 2012-02-17 3361 goto unwind; 01025ebc99e39a kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-31 3362 firsterr = rcu_torture_barrier_init(); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3363 if (torture_init_error(firsterr)) 4a5f133c15b77c kernel/rcu/rcutorture.c Paul E. McKenney 2020-04-24 3364 goto unwind; 4a5f133c15b77c kernel/rcu/rcutorture.c Paul E. McKenney 2020-04-24 3365 firsterr = rcu_torture_read_exit_init(); efeff6b39b9de4 kernel/rcu/rcutorture.c Paul E. McKenney 2021-08-05 3366 if (torture_init_error(firsterr)) fae4b54f28f034 kernel/rcutorture.c Paul E. McKenney 2012-02-20 3367 goto unwind; d2818df168b2c8 kernel/rcutorture.c Paul E. McKenney 2013-04-23 3368 if (object_debug) d2818df168b2c8 kernel/rcutorture.c Paul E. McKenney 2013-04-23 3369 rcu_test_debug_objects(); b5daa8f3b3b2b0 kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-30 3370 torture_init_end(); 99d6a2acb8955f kernel/rcu/rcutorture.c Paul E. McKenney 2022-02-04 3371 rcu_gp_slow_register(&rcu_fwd_cb_nodelay); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 @3372 return 0; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3373 a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3374 unwind: b5daa8f3b3b2b0 kernel/rcu/rcutorture.c Paul E. McKenney 2014-01-30 3375 torture_init_end(); a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3376 rcu_torture_cleanup(); 4994684ce10924 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-18 3377 if (shutdown_secs) { 4994684ce10924 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-18 3378 WARN_ON(!IS_MODULE(CONFIG_RCU_TORTURE_TEST)); 4994684ce10924 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-18 3379 kernel_power_off(); 4994684ce10924 kernel/rcu/rcutorture.c Paul E. McKenney 2020-09-18 3380 } a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3381 return firsterr; a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3382 } a241ec65aeac3d kernel/rcutorture.c Paul E. McKenney 2005-10-30 3383 :::::: The code at line 3372 was first introduced by commit :::::: a241ec65aeac3d69a08a7b153cccbdb7ea35063f [PATCH] RCU torture-testing kernel module :::::: TO: Paul E. McKenney <paul...@us.ibm.com> :::::: CC: Linus Torvalds <torva...@g5.osdl.org> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
