hi all of you , I am wndering if someone has already done test for interrupt latency on linx 2.6.23 mpc5200b. I am working on writing a driver which is get SPi involved on design, and I know that the spi interrupt will occurs at every 2 us ( speed 4 MHz interupt occurs when It recieves on bytes) so I am worring about interrupt latency. I dont know if someone has any suggestions or a litle advice. cheers
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