[Cbe-oss-dev] Spider DMA wrongness

[Benjamin Herrenschmidt]

>   
> NAPI did not work. Linas and I found, working independently, that the
> turning off and on of the interrupts on Cell does not work properly.
> Specifically, you could mask a particular interrupt and it would fire
> anyway. I asked repeatedly for help with this from Sony/Toshiba. Their
> only response was they needed "more info".  
> 
> I still think your latest idea is something to pursue but not at this
> time. Maybe after I deal with my Infiniband issues we can look into
> this more closely.

How did you mask it ? (What did you use ?) You can't really mask IIC
interrupts but you should be able to mask spider ones with
disable_irq() ,though for NAPI, you should mask them at the spider_net
chip level. Is that what's not working ?

Ben.