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-rw-r--r--arch/s390/kernel/smp.c27
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 */
431static void do_ext_call_interrupt(struct ext_code ext_code, 431static 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
447static 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
461void arch_send_call_function_ipi_mask(const struct cpumask *mask) 454void 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();