Messages in this thread | | | Date | Wed, 30 Oct 2013 21:02:47 +0800 | Subject | Re: [PATCH] genirq: Avoid NULL OOPS in irq handling | From | "陈华才" <> |
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> On Wed, 30 Oct 2013, "陈华才" wrote: > >> I use a Loongson-3(MIPS-series CPU) machine, there is a serial port >> integrated in the CPU (but it iss buggy), and it use handle_percpu_irq() >> as the irq handler. Maybe I should move the checking into >> handle_percpu_irq()? > > Why is a device interrupt using handle_percpu_irq()? Seems that IRQs directly deliverd to MIPS CPU (those without interrupt controller) are all handled by handle_percpu_irq().... I will try to overwrite the handler in arch-specific code and keep the code in kernel/ irq as is. Thanks. > > Thanks, > > tglx
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