[PATCH v3] powerpc: Add irqtrace support for 32-bit powerpc

[Kumar Gala]

On Apr 8, 2008, at 4:36 PM, Johannes Berg wrote:
>
>>> This version fixes the clobbering of r12 by the call to
>>> trace_hardirqs_off() that was pointed out by BenH.
>>>
>>> Johannes, I'd appreciate your trying this version if/when
>>> you get the chance.
>>
>> Thanks Dale, this version seems to work. I'll stress it a bit more
>> later, but so far it has survived *much* longer than both previous
>> versions.
>
> Hmm. Bad news. I got a crash in console_callback() again where
> apparently r28 had a bogus value. That, however, doesn't make sense,  
> so
> maybe that register value was calculated from another register.

did we ever figure this out?

- k