Brandt Erickson wrote: >> Ok, things get clearer. But why a kernel module? Are you *that* short on >> CPU cycles? > > The reason why I'm trying to develop a kernel-space application is not for > latency issues but because I need to be in kernel-space to read/write > to/from my DAC.
ioperm() or iopl() not applicable? > Is the IPC between kernel-space realtime and user-space > non-realtime that much more difficult the user-space realtime to > user-space non-realtime? I've familiar with regular user-space IPC using > condition variables, semaphores, and shared memory, so if it's fairly > similar, I'm hoping that won't be a problem. That's feasible as well, and the API is identical. It's just the difference of writing two separate applications instead of a single multi-threaded one plus the additional effort for dealing with modules (building, loading, unloading). Jan
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