PREEMPT_RT forces qcom-ipcc's handler to be threaded with interrupts enabled, which triggers a warning in __handle_irq_event_percpu(). Use generic_handle_irq_safe() that can be called with or without interrupts enabled instead. Signed-off-by: Eric Chanudet <echanude@xxxxxxxxxx> --- drivers/mailbox/qcom-ipcc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mailbox/qcom-ipcc.c b/drivers/mailbox/qcom-ipcc.c index 31d58b7d55fe..be803f324a33 100644 --- a/drivers/mailbox/qcom-ipcc.c +++ b/drivers/mailbox/qcom-ipcc.c @@ -82,7 +82,7 @@ static irqreturn_t qcom_ipcc_irq_fn(int irq, void *data) virq = irq_find_mapping(ipcc->irq_domain, hwirq); writel(hwirq, ipcc->base + IPCC_REG_RECV_SIGNAL_CLEAR); - generic_handle_irq(virq); + generic_handle_irq_safe(virq); } return IRQ_HANDLED; -- 2.37.3
