diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/smp.h | 1 | ||||
| -rw-r--r-- | arch/s390/kernel/smp.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h index 231a51e870fe..7326f110d48c 100644 --- a/arch/s390/include/asm/smp.h +++ b/arch/s390/include/asm/smp.h @@ -58,5 +58,6 @@ extern int smp_rescan_cpus(void); extern void __noreturn cpu_die(void); extern void __cpu_die(unsigned int cpu); extern int __cpu_disable(void); +extern void schedule_mcck_handler(void); #endif /* __ASM_SMP_H */ diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 7eaabbab2213..fc1041257c60 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -61,6 +61,7 @@ enum { ec_schedule = 0, ec_call_function_single, ec_stop_cpu, + ec_mcck_pending, }; enum { @@ -403,6 +404,11 @@ int smp_find_processor_id(u16 address) return -1; } +void schedule_mcck_handler(void) +{ + pcpu_ec_call(pcpu_devices + smp_processor_id(), ec_mcck_pending); +} + bool arch_vcpu_is_preempted(int cpu) { if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu)) @@ -497,6 +503,8 @@ static void smp_handle_ext_call(void) scheduler_ipi(); if (test_bit(ec_call_function_single, &bits)) generic_smp_call_function_single_interrupt(); + if (test_bit(ec_mcck_pending, &bits)) + s390_handle_mcck(); } static void do_ext_call_interrupt(struct ext_code ext_code, |