linux-kernel

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Date:	Fri, 27 Jul 2012 15:26:37 +0800
From:	Qipeng Zha <Qipeng_Zha@...madesigns.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"rostedt@...dmis.org" <rostedt@...dmis.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: arm interrupt handling 

Hi
When I study the interrupt handling code in 2.6.39 for omap soc, found don't clear CPSR.I to enable irq till each ISR finished.
Is this true? Or I miss something, since this will be wired that the core will not service any other irq before complete before irq handling.

Best wishes
Qipeng

-----Original Message-----
From: linux-arm-kernel-bounces@...ts.infradead.org [mailto:linux-arm-kernel-bounces@...ts.infradead.org] On Behalf Of "Andy Green (林安廸)"
Sent: 2012年7月10日 20:59
To: Florian Fainelli
Cc: s-jan@...com; arnd@...db.de; patches@...aro.org; tony@...mide.com; netdev@...r.kernel.org; linux-kernel@...r.kernel.org; rostedt@...dmis.org; linux-omap@...r.kernel.org; linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4 0/4] Add ability to set defaultless network device MAC addresses to deterministic computed locally administered values

On 10/07/12 20:37, the mail apparently from Florian Fainelli included:

Hi -

> Le jeudi 05 juillet 2012 04:44:33, Andy Green a écrit :
>> The following series adds some code to generate legal, locally administered
>> MAC addresses from OMAP4 CPU Die ID fuse data, and then adds a helper at
>> net/ethernet taking care of accepting device path / MAC mapping
>> registrations and running a notifier to enforce the requested MAC when the
>> matching network device turns up.
>
> This looks like something you can solve by user-space entirely. Expose the

That might seem so from a openwrt perspective, where you custom cook the 
whole userland thing per-device, but it ain't so from a generic rootfs 
perspective.

Why should Ubuntu, Fedora etc stink up their OSes with Panda-specific 
workarounds?  And Panda is not the only device with this issue.

-Andy

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