linux-kernel - Re: [PATCH] generic: Add the exception case checking routine for ppi interrupt

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Message-ID: <57C548D0.3090700@arm.com>
Date:   Tue, 30 Aug 2016 09:50:24 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     MaJun <majun258@...wei.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, tglx@...utronix.de,
        dingtianhong@...wei.com, guohanjun@...wei.com
Subject: Re: [PATCH] generic: Add the exception case checking routine for ppi
 interrupt

On 30/08/16 05:17, MaJun wrote:
> From: Ma Jun <majun258@...wei.com>
> 
> During system booting, if the interrupt which has no action registered
> is triggered, it would cause system panic when try to access the
> action member.

And why would that interrupt be enabled? If you enable a PPI before
registering a handler, you're doing something wrong.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...