Bypassing the kernel entirely is pretty normal in HPC applications. Infiniband i... | Hacker News

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		elihu on Jan 22, 2016 \| parent \| context \| favorite \| on: Unikernels are unfit for production Bypassing the kernel entirely is pretty normal in HPC applications. Infiniband implementations typically memory-map the device's registers into user-space so that applications can send and receive messages without a system call.

shin_lao on Jan 24, 2016 [–]

This is not bypassing a kernel. This is called Remote Direct Memory Access (RDMA) and there is still a kernel.

FYI most of the devices inside your computer work through DMA.

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