linux-kernel - Re: [PATCH] Unhandled IRQs on AMD E-450: temporarily switch to low-performance polling IRQ mode

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Date:	Mon, 30 Jan 2012 22:04:26 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jeroen Van den Keybus <jeroen.vandenkeybus@...il.com>
Cc:	linux-kernel@...r.kernel.org, Clemens Ladisch <clemens@...isch.de>,
	"Huang, Shane" <Shane.Huang@....com>,
	Borislav Petkov <bp@...64.org>,
	"Nguyen, Dong" <Dong.Nguyen@....com>, jesse.brandeburg@...il.com
Subject: Re: [PATCH] Unhandled IRQs on AMD E-450: temporarily switch to
 low-performance polling IRQ mode

> +				printk("Polling IRQ %d\n", irq);

printk levels would be good.


> -		__report_bad_irq(irq, desc, action_ret);
> +		/* __report_bad_irq(irq, desc, action_ret); */

And this removes debugging for a reason that isn't described ?


In general this looks sane although it may do bad stuff on some platforms
I guess - notably irqpoll has an x86 ism in it still that now may need
dealing with (the IRQ 0 magic)

Alan
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