inject.c (2ffdc2c3) inject.c (8ae9e3f6)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Machine check injection support.
4 * Copyright 2008 Intel Corporation.
5 *
6 * Authors:
7 * Andi Kleen
8 * Ying Huang

--- 221 unchanged lines hidden (view full) ---

230
231 if (context == MCJ_CTX_RANDOM)
232 return;
233
234 if (m->inject_flags & (MCJ_IRQ_BROADCAST | MCJ_NMI_BROADCAST)) {
235 unsigned long start;
236 int cpu;
237
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Machine check injection support.
4 * Copyright 2008 Intel Corporation.
5 *
6 * Authors:
7 * Andi Kleen
8 * Ying Huang

--- 221 unchanged lines hidden (view full) ---

230
231 if (context == MCJ_CTX_RANDOM)
232 return;
233
234 if (m->inject_flags & (MCJ_IRQ_BROADCAST | MCJ_NMI_BROADCAST)) {
235 unsigned long start;
236 int cpu;
237
238 get_online_cpus();
238 cpus_read_lock();
239 cpumask_copy(mce_inject_cpumask, cpu_online_mask);
240 cpumask_clear_cpu(get_cpu(), mce_inject_cpumask);
241 for_each_online_cpu(cpu) {
242 struct mce *mcpu = &per_cpu(injectm, cpu);
243 if (!mcpu->finished ||
244 MCJ_CTX(mcpu->inject_flags) != MCJ_CTX_RANDOM)
245 cpumask_clear_cpu(cpu, mce_inject_cpumask);
246 }

--- 17 unchanged lines hidden (view full) ---

264 pr_err("Timeout waiting for mce inject %lx\n",
265 *cpumask_bits(mce_inject_cpumask));
266 break;
267 }
268 cpu_relax();
269 }
270 raise_local();
271 put_cpu();
239 cpumask_copy(mce_inject_cpumask, cpu_online_mask);
240 cpumask_clear_cpu(get_cpu(), mce_inject_cpumask);
241 for_each_online_cpu(cpu) {
242 struct mce *mcpu = &per_cpu(injectm, cpu);
243 if (!mcpu->finished ||
244 MCJ_CTX(mcpu->inject_flags) != MCJ_CTX_RANDOM)
245 cpumask_clear_cpu(cpu, mce_inject_cpumask);
246 }

--- 17 unchanged lines hidden (view full) ---

264 pr_err("Timeout waiting for mce inject %lx\n",
265 *cpumask_bits(mce_inject_cpumask));
266 break;
267 }
268 cpu_relax();
269 }
270 raise_local();
271 put_cpu();
272 put_online_cpus();
272 cpus_read_unlock();
273 } else {
274 preempt_disable();
275 raise_local();
276 preempt_enable();
277 }
278}
279
280static int mce_inject_raise(struct notifier_block *nb, unsigned long val,

--- 243 unchanged lines hidden (view full) ---

524 */
525 if (boot_cpu_has(X86_FEATURE_AMD_DCM) &&
526 b == 4 &&
527 boot_cpu_data.x86 < 0x17) {
528 toggle_nb_mca_mst_cpu(topology_die_id(cpu));
529 cpu = get_nbc_for_node(topology_die_id(cpu));
530 }
531
273 } else {
274 preempt_disable();
275 raise_local();
276 preempt_enable();
277 }
278}
279
280static int mce_inject_raise(struct notifier_block *nb, unsigned long val,

--- 243 unchanged lines hidden (view full) ---

524 */
525 if (boot_cpu_has(X86_FEATURE_AMD_DCM) &&
526 b == 4 &&
527 boot_cpu_data.x86 < 0x17) {
528 toggle_nb_mca_mst_cpu(topology_die_id(cpu));
529 cpu = get_nbc_for_node(topology_die_id(cpu));
530 }
531
532 get_online_cpus();
532 cpus_read_lock();
533 if (!cpu_online(cpu))
534 goto err;
535
536 toggle_hw_mce_inject(cpu, true);
537
538 i_mce.mcgstatus = mcg_status;
539 i_mce.inject_flags = inj_type;
540 smp_call_function_single(cpu, prepare_msrs, &i_mce, 0);

--- 7 unchanged lines hidden (view full) ---

548 case THR_INT_INJ:
549 smp_call_function_single(cpu, trigger_thr_int, NULL, 0);
550 break;
551 default:
552 smp_call_function_single(cpu, trigger_mce, NULL, 0);
553 }
554
555err:
533 if (!cpu_online(cpu))
534 goto err;
535
536 toggle_hw_mce_inject(cpu, true);
537
538 i_mce.mcgstatus = mcg_status;
539 i_mce.inject_flags = inj_type;
540 smp_call_function_single(cpu, prepare_msrs, &i_mce, 0);

--- 7 unchanged lines hidden (view full) ---

548 case THR_INT_INJ:
549 smp_call_function_single(cpu, trigger_thr_int, NULL, 0);
550 break;
551 default:
552 smp_call_function_single(cpu, trigger_mce, NULL, 0);
553 }
554
555err:
556 put_online_cpus();
556 cpus_read_unlock();
557
558}
559
560/*
561 * This denotes into which bank we're injecting and triggers
562 * the injection, at the same time.
563 */
564static int inj_bank_set(void *data, u64 val)

--- 147 unchanged lines hidden --- 		557
558}
559
560/*
561 * This denotes into which bank we're injecting and triggers
562 * the injection, at the same time.
563 */
564static int inj_bank_set(void *data, u64 val)

--- 147 unchanged lines hidden ---