| mca.c (4ba24fef3eb3b142197135223b90ced2f319cd53) | mca.c (5d2068da8d339e4dff8f9b9a1246e6a79e2949d8) |
|---|---|
| 1/* 2 * File: mca.c 3 * Purpose: Generic MCA handling layer 4 * 5 * Copyright (C) 2003 Hewlett-Packard Co 6 * David Mosberger-Tang <davidm@hpl.hp.com> 7 * 8 * Copyright (C) 2002 Dell Inc. --- 1279 unchanged lines hidden (view full) --- 1288 { .sos = sos, .monarch_cpu = &monarch_cpu, .data = &recover }; 1289 static atomic_t mca_count; 1290 static cpumask_t mca_cpu; 1291 1292 if (atomic_add_return(1, &mca_count) == 1) { 1293 monarch_cpu = cpu; 1294 sos->monarch = 1; 1295 } else { | 1/* 2 * File: mca.c 3 * Purpose: Generic MCA handling layer 4 * 5 * Copyright (C) 2003 Hewlett-Packard Co 6 * David Mosberger-Tang <davidm@hpl.hp.com> 7 * 8 * Copyright (C) 2002 Dell Inc. --- 1279 unchanged lines hidden (view full) --- 1288 { .sos = sos, .monarch_cpu = &monarch_cpu, .data = &recover }; 1289 static atomic_t mca_count; 1290 static cpumask_t mca_cpu; 1291 1292 if (atomic_add_return(1, &mca_count) == 1) { 1293 monarch_cpu = cpu; 1294 sos->monarch = 1; 1295 } else { |
| 1296 cpu_set(cpu, mca_cpu); | 1296 cpumask_set_cpu(cpu, &mca_cpu); |
| 1297 sos->monarch = 0; 1298 } 1299 mprintk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d " 1300 "monarch=%ld\n", sos->proc_state_param, cpu, sos->monarch); 1301 1302 previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA"); 1303 1304 NOTIFY_MCA(DIE_MCA_MONARCH_ENTER, regs, (long)&nd, 1); --- 6 unchanged lines hidden (view full) --- 1311 * rendezvous loop. They will leave SAL, then spin in the OS 1312 * with interrupts disabled until this monarch cpu leaves the 1313 * MCA handler. That gets control back to the OS so we can 1314 * backtrace the other cpus, backtrace when spinning in SAL 1315 * does not work. 1316 */ 1317 ia64_mca_wakeup_all(); 1318 } else { | 1297 sos->monarch = 0; 1298 } 1299 mprintk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d " 1300 "monarch=%ld\n", sos->proc_state_param, cpu, sos->monarch); 1301 1302 previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA"); 1303 1304 NOTIFY_MCA(DIE_MCA_MONARCH_ENTER, regs, (long)&nd, 1); --- 6 unchanged lines hidden (view full) --- 1311 * rendezvous loop. They will leave SAL, then spin in the OS 1312 * with interrupts disabled until this monarch cpu leaves the 1313 * MCA handler. That gets control back to the OS so we can 1314 * backtrace the other cpus, backtrace when spinning in SAL 1315 * does not work. 1316 */ 1317 ia64_mca_wakeup_all(); 1318 } else { |
| 1319 while (cpu_isset(cpu, mca_cpu)) | 1319 while (cpumask_test_cpu(cpu, &mca_cpu)) |
| 1320 cpu_relax(); /* spin until monarch wakes us */ 1321 } 1322 1323 NOTIFY_MCA(DIE_MCA_MONARCH_PROCESS, regs, (long)&nd, 1); 1324 1325 /* Get the MCA error record and log it */ 1326 ia64_mca_log_sal_error_record(SAL_INFO_TYPE_MCA); 1327 --- 22 unchanged lines hidden (view full) --- 1350 1351 if (atomic_dec_return(&mca_count) > 0) { 1352 int i; 1353 1354 /* wake up the next monarch cpu, 1355 * and put this cpu in the rendez loop. 1356 */ 1357 for_each_online_cpu(i) { | 1320 cpu_relax(); /* spin until monarch wakes us */ 1321 } 1322 1323 NOTIFY_MCA(DIE_MCA_MONARCH_PROCESS, regs, (long)&nd, 1); 1324 1325 /* Get the MCA error record and log it */ 1326 ia64_mca_log_sal_error_record(SAL_INFO_TYPE_MCA); 1327 --- 22 unchanged lines hidden (view full) --- 1350 1351 if (atomic_dec_return(&mca_count) > 0) { 1352 int i; 1353 1354 /* wake up the next monarch cpu, 1355 * and put this cpu in the rendez loop. 1356 */ 1357 for_each_online_cpu(i) { |
| 1358 if (cpu_isset(i, mca_cpu)) { | 1358 if (cpumask_test_cpu(i, &mca_cpu)) { |
| 1359 monarch_cpu = i; | 1359 monarch_cpu = i; |
| 1360 cpu_clear(i, mca_cpu); /* wake next cpu */ | 1360 cpumask_clear_cpu(i, &mca_cpu); /* wake next cpu */ |
| 1361 while (monarch_cpu != -1) 1362 cpu_relax(); /* spin until last cpu leaves */ 1363 set_curr_task(cpu, previous_current); 1364 ia64_mc_info.imi_rendez_checkin[cpu] 1365 = IA64_MCA_RENDEZ_CHECKIN_NOTDONE; 1366 return; 1367 } 1368 } --- 448 unchanged lines hidden (view full) --- 1817 memset(p, 0, KERNEL_STACK_SIZE); 1818 ti = task_thread_info(p); 1819 ti->flags = _TIF_MCA_INIT; 1820 ti->preempt_count = 1; 1821 ti->task = p; 1822 ti->cpu = cpu; 1823 p->stack = ti; 1824 p->state = TASK_UNINTERRUPTIBLE; | 1361 while (monarch_cpu != -1) 1362 cpu_relax(); /* spin until last cpu leaves */ 1363 set_curr_task(cpu, previous_current); 1364 ia64_mc_info.imi_rendez_checkin[cpu] 1365 = IA64_MCA_RENDEZ_CHECKIN_NOTDONE; 1366 return; 1367 } 1368 } --- 448 unchanged lines hidden (view full) --- 1817 memset(p, 0, KERNEL_STACK_SIZE); 1818 ti = task_thread_info(p); 1819 ti->flags = _TIF_MCA_INIT; 1820 ti->preempt_count = 1; 1821 ti->task = p; 1822 ti->cpu = cpu; 1823 p->stack = ti; 1824 p->state = TASK_UNINTERRUPTIBLE; |
| 1825 cpu_set(cpu, p->cpus_allowed); | 1825 cpumask_set_cpu(cpu, &p->cpus_allowed); |
| 1826 INIT_LIST_HEAD(&p->tasks); 1827 p->parent = p->real_parent = p->group_leader = p; 1828 INIT_LIST_HEAD(&p->children); 1829 INIT_LIST_HEAD(&p->sibling); 1830 strncpy(p->comm, type, sizeof(p->comm)-1); 1831} 1832 1833/* Caller prevents this from being called after init */ --- 333 unchanged lines hidden --- | 1826 INIT_LIST_HEAD(&p->tasks); 1827 p->parent = p->real_parent = p->group_leader = p; 1828 INIT_LIST_HEAD(&p->children); 1829 INIT_LIST_HEAD(&p->sibling); 1830 strncpy(p->comm, type, sizeof(p->comm)-1); 1831} 1832 1833/* Caller prevents this from being called after init */ --- 333 unchanged lines hidden --- |