arm interrupt handling

[Qipeng Zha]

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@xxxxxxxxxxxxxxxxxxx [mailto:linux-arm-kernel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of "Andy Green (æåå)"
Sent: 2012å7æ10æ 20:59
To: Florian Fainelli
Cc: s-jan@xxxxxx; arnd@xxxxxxxx; patches@xxxxxxxxxx; tony@xxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; rostedt@xxxxxxxxxxx; linux-omap@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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 Ãcrit :
>> 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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