Hi. I've read that kfifo.h uses spinlocks[1], and I also read that spinlocks do busy waiting, so they might not be suitable for a loaded system. Is that right? Is it better if I use semaphores and use the functions that have __ and that don't use the spinlock)? It means no extra work for me. __kfifo_get __kfifo_put I read the source code and I noticed that nothing will happen if I use a NULL spinlock and never call the functions that use them. Right? I'll prefer to use a NULL spinlock than using a dummy one. Also, I'd like to know if there's another API in the kernel for simple circular buffers. Regards. [1] http://lwn.net/Articles/106560/ Regards, Nelson.- -- http://arhuaco.org http://emQbit.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
