diff options
-rw-r--r-- | arch/s390/kernel/smp.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 05674b669001..4f977d0d25c2 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c | |||
@@ -428,34 +428,27 @@ void smp_stop_cpu(void) | |||
428 | * This is the main routine where commands issued by other | 428 | * This is the main routine where commands issued by other |
429 | * cpus are handled. | 429 | * cpus are handled. |
430 | */ | 430 | */ |
431 | static void do_ext_call_interrupt(struct ext_code ext_code, | 431 | static void smp_handle_ext_call(void) |
432 | unsigned int param32, unsigned long param64) | ||
433 | { | 432 | { |
434 | unsigned long bits; | 433 | unsigned long bits; |
435 | int cpu; | ||
436 | |||
437 | cpu = smp_processor_id(); | ||
438 | if (ext_code.code == 0x1202) | ||
439 | inc_irq_stat(IRQEXT_EXC); | ||
440 | else | ||
441 | inc_irq_stat(IRQEXT_EMS); | ||
442 | /* | ||
443 | * handle bit signal external calls | ||
444 | */ | ||
445 | bits = xchg(&pcpu_devices[cpu].ec_mask, 0); | ||
446 | 434 | ||
435 | /* handle bit signal external calls */ | ||
436 | bits = xchg(&pcpu_devices[smp_processor_id()].ec_mask, 0); | ||
447 | if (test_bit(ec_stop_cpu, &bits)) | 437 | if (test_bit(ec_stop_cpu, &bits)) |
448 | smp_stop_cpu(); | 438 | smp_stop_cpu(); |
449 | |||
450 | if (test_bit(ec_schedule, &bits)) | 439 | if (test_bit(ec_schedule, &bits)) |
451 | scheduler_ipi(); | 440 | scheduler_ipi(); |
452 | |||
453 | if (test_bit(ec_call_function, &bits)) | 441 | if (test_bit(ec_call_function, &bits)) |
454 | generic_smp_call_function_interrupt(); | 442 | generic_smp_call_function_interrupt(); |
455 | |||
456 | if (test_bit(ec_call_function_single, &bits)) | 443 | if (test_bit(ec_call_function_single, &bits)) |
457 | generic_smp_call_function_single_interrupt(); | 444 | generic_smp_call_function_single_interrupt(); |
445 | } | ||
458 | 446 | ||
447 | static void do_ext_call_interrupt(struct ext_code ext_code, | ||
448 | unsigned int param32, unsigned long param64) | ||
449 | { | ||
450 | inc_irq_stat(ext_code.code == 0x1202 ? IRQEXT_EXC : IRQEXT_EMS); | ||
451 | smp_handle_ext_call(); | ||
459 | } | 452 | } |
460 | 453 | ||
461 | void arch_send_call_function_ipi_mask(const struct cpumask *mask) | 454 | void arch_send_call_function_ipi_mask(const struct cpumask *mask) |
@@ -760,6 +753,8 @@ int __cpu_disable(void) | |||
760 | { | 753 | { |
761 | unsigned long cregs[16]; | 754 | unsigned long cregs[16]; |
762 | 755 | ||
756 | /* Handle possible pending IPIs */ | ||
757 | smp_handle_ext_call(); | ||
763 | set_cpu_online(smp_processor_id(), false); | 758 | set_cpu_online(smp_processor_id(), false); |
764 | /* Disable pseudo page faults on this cpu. */ | 759 | /* Disable pseudo page faults on this cpu. */ |
765 | pfault_fini(); | 760 | pfault_fini(); |