diff options
| -rw-r--r-- | arch/parisc/kernel/irq.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 006385dbee66..f7ae2bcd49a5 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -291,12 +291,14 @@ void do_cpu_irq_mask(struct pt_regs *regs) static struct irqaction timer_action = { .handler = timer_interrupt, .name = "timer", + .flags = SA_INTERRUPT, }; #ifdef CONFIG_SMP static struct irqaction ipi_action = { .handler = ipi_interrupt, .name = "IPI", + .flags = SA_INTERRUPT, }; #endif diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index a9ecf6465784..268b0f2a328e 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -338,6 +338,10 @@ smp_call_function (void (*func) (void *info), void *info, int retry, int wait) /* Can deadlock when called with interrupts disabled */ WARN_ON(irqs_disabled()); + + /* can also deadlock if IPIs are disabled */ + WARN_ON((get_eiem() & (1UL<<(CPU_IRQ_MAX - IPI_IRQ))) == 0); + data.func = func; data.info = info; |
