Re: [PATCH] bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD

From: Tony Lindgren
Date: Thu Feb 04 2021 - 02:01:13 EST


* Grygorii Strashko <grygorii.strashko@xxxxxx> [210128 21:16]:
> The main purpose of l3 IRQs is to catch OCP bus access errors and identify
> corresponding code places by showing call stack, so it's important to
> handle L3 interconnect errors as fast as possible. On RT these IRQs will
> became threaded and will be scheduled mach more late from the moment actual
> error occurred so showing completely useless information.
>
> Hence, mark l3 IRQs as IRQF_NO_THREAD so they will not be forced threaded
> on RT or if force_irqthreads = true.
>
> Fixes: 0ee7261c9212 ("drivers: bus: Move the OMAP interconnect driver to drivers/bus/")

Thanks applying into fixes.

Tony