torture_type, cpu);
starttime = jiffies;
(*n_offl_attempts)++;
- ret = cpu_down(cpu);
+ ret = remove_cpu(cpu);
if (ret) {
+ s = "";
+ if (!rcu_inkernel_boot_has_ended() && ret == -EBUSY) {
+ // PCI probe frequently disables hotplug during boot.
+ (*n_offl_attempts)--;
+ s = " (-EBUSY forgiven during boot)";
+ }
if (verbose)
pr_alert("%s" TORTURE_FLAG
- "torture_onoff task: offline %d failed: errno %d\n",
- torture_type, cpu, ret);
+ "torture_onoff task: offline %d failed%s: errno %d\n",
+ torture_type, cpu, s, ret);
} else {
if (verbose > 1)
pr_alert("%s" TORTURE_FLAG
torture_type, cpu);
starttime = jiffies;
(*n_onl_attempts)++;
- ret = cpu_up(cpu);
+ ret = add_cpu(cpu);
if (ret) {
+ s = "";
+ if (!rcu_inkernel_boot_has_ended() && ret == -EBUSY) {
+ // PCI probe frequently disables hotplug during boot.
+ (*n_onl_attempts)--;
+ s = " (-EBUSY forgiven during boot)";
+ }
if (verbose)
pr_alert("%s" TORTURE_FLAG
- "torture_onoff task: online %d failed: errno %d\n",
- torture_type, cpu, ret);
+ "torture_onoff task: online %d failed%s: errno %d\n",
+ torture_type, cpu, s, ret);
} else {
if (verbose > 1)
pr_alert("%s" TORTURE_FLAG