A new interface for implementing device drivers outside the kernel has one project saving about 5,000 lines of code. The concept of supporting user-space drivers has appeared on LWN a few times ...

I/O management in embedded OSs provides an additional abstraction layer (to higher-level software) away from the system’s hardware and device drivers. An OS provides a uniform interface for I/O ...

Microsoft is developing a new security model built around a safer kernel architecture. To strengthen the security of its operating system, the company is partnering with ...

The user-space component can perform all device-management tasks including I/O from the device. For interrupts however, it needs to perform a blocking read() on the device entry, which results in the ...

Android 8.0 introduced Project Treble, a re-architecture of Android that created a well-defined interface between the OS framework and device-specific low-level software. Using Linux kernel ...

User processes can access kernel-space only through the use of system calls. If a program tries to access it directly, it will result in a fault. Read : Difference between Kernel Mode and User Mode .

Apple recently addressed a macOS vulnerability that allows attackers to bypass System Integrity Protection (SIP) and install malicious kernel drivers by loading third-party kernel extensions ...