Microkernel based Operating Systems

MKOS Exam SS 2015

• What is MKOS
• How MKOS handle page fault.(explain with init pager and data space ).
• How the pager find the unmap?
• Interrupt handling.
• Interrupt -> kernel ;
• Kernel -> driver;
• Why using IOMMU

MKOS Exam SS 2016

Intro

• what is Microkernel
• the principle of Microkernel

Interrupts

• how interrupts in user level and kernel

DMA

• what is DMA?
• why DMA is not secure?

Page fault handling

• how to handle page fault?
• didn't ask detail of flex page
• how kernel find the pager ( region manger)
• how region manger tells the kernel to find the pager
• if pager address space is out of memory what happens?

Virtualization

• what is virtualization?
• if virtualized application want to enter kernel, how it works.