Messages in this thread | | | Subject | Re: [v4.1.10-rt10][PATCH 0/2] PCI: dra7xx/dwc: fix "WARNING: CPU: 1 PID: 82 at kernel/irq/handle.c:150 handle_irq_event_percpu" | From | Sebastian Andrzej Siewior <> | Date | Tue, 3 Nov 2015 14:46:22 +0100 |
| |
On 11/02/2015 08:30 PM, Grygorii Strashko wrote: > On -RT above code will generate warnings, because driver_xx_hw_irq_handler() > will be forced threaded (by default) and, as result, generic_handle_irq() > will be called with IRQs enabled. To W/A this issue generic_handle_irq() can > be surrounded by raw_spin_lock_irqsave/irqrestore(wa_lock).
and what happens without -RT if you boot threadedirqs?
Sebastian
| |