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From: "\"陈华才\"" <chenhc@lemote.com>
To: "Thomas Gleixner" <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] genirq: Avoid NULL OOPS in irq handling
Date: Wed, 30 Oct 2013 21:02:47 +0800	[thread overview]
Message-ID: <d805289014727dc4aa7ce29861947c6a.squirrel@mail.lemote.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1310301105260.19212@ionos.tec.linutronix.de>

> 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



      reply	other threads:[~2013-10-30 13:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-28  2:11 Huacai Chen
2013-10-29 13:07 ` Thomas Gleixner
2013-10-30  9:24   ` "陈华才"
2013-10-30 10:06     ` Thomas Gleixner
2013-10-30 13:02       ` "陈华才" [this message]

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