diff options
| -rw-r--r-- | arch/s390/include/asm/irq_work.h | 12 | ||||
| -rw-r--r-- | arch/s390/kernel/smp.c | 11 |
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/s390/include/asm/irq_work.h b/arch/s390/include/asm/irq_work.h new file mode 100644 index 000000000000..603783766d0a --- /dev/null +++ b/arch/s390/include/asm/irq_work.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_IRQ_WORK_H +#define _ASM_S390_IRQ_WORK_H + +static inline bool arch_irq_work_has_interrupt(void) +{ + return true; +} + +void arch_irq_work_raise(void); + +#endif /* _ASM_S390_IRQ_WORK_H */ diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 7f30d954519b..58c8afa3da65 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -30,6 +30,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irqflags.h> +#include <linux/irq_work.h> #include <linux/cpu.h> #include <linux/slab.h> #include <linux/sched/hotplug.h> @@ -62,6 +63,7 @@ enum { ec_call_function_single, ec_stop_cpu, ec_mcck_pending, + ec_irq_work, }; enum { @@ -508,6 +510,8 @@ static void smp_handle_ext_call(void) generic_smp_call_function_single_interrupt(); if (test_bit(ec_mcck_pending, &bits)) __s390_handle_mcck(); + if (test_bit(ec_irq_work, &bits)) + irq_work_run(); } static void do_ext_call_interrupt(struct ext_code ext_code, @@ -540,6 +544,13 @@ void smp_send_reschedule(int cpu) pcpu_ec_call(pcpu_devices + cpu, ec_schedule); } +#ifdef CONFIG_IRQ_WORK +void arch_irq_work_raise(void) +{ + pcpu_ec_call(pcpu_devices + smp_processor_id(), ec_irq_work); +} +#endif + /* * parameter area for the set/clear control bit callbacks */ |