Device drivers in user space

Here are the benefits and some caveats to running data-path applications in the user space. Discussed is Linux's UIO framework. Editor's Note

Linux Kernel device driver needs access to shared object in userspace - Stack Overflow

Linux fundamentals: user space, kernel space, and the syscalls API surface

Writing device drivers in Linux: A brief tutorial

User Space Application - an overview

Introduction to Kernel and Device Drivers

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Character Driver File Operation Methods in Linux Device Driver

Linux Device Drivers – TutorialsDaddy

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MyTinyNet::Device Drivers

PDF) Device Drivers in User Space: A Case for Network Device Driver

An introduction to Linux Loadable Kernel Modules

D-Bus based user device driver framework design for Linux mobile software platform