Linux interrupt latency

I'm working on the Linux driver for the Tormenta public domain dual T1 card (see http://www.bsdtelephony.com.mx). This card is a controllerless ISA T1 card with no memory, meaning the host CPU must load the next 48 outgoing bytes and read the previous 48 incoming bytes off the ISA bus 8000 times

Linux-2.4.0-test9 not Open Source

I've been looking at the MTD (memory technology device) additions to the linux 2.4.0 kernels. In particular I'm very interested in the DiskOnChip 2000 and NFTL drivers. However, as terribly useful as this driver is, was I the only one who caught the following notice at the top of the driver sour