The year so far has been filled with news of Spectre and Meltdown. These exploits take advantage of features like speculative execution, and memory access timing. What they have in common is the fact ...

In the early days of computing, everything ran quite a bit slower than what we see today. This was not only because the computers' central processing units – CPUs – were slow, but also because ...

A process may map files to its address space, thereby creating a 1-to-1 equivalence between the files’ data and its corresponding memory-mapped region. Memory mapping has several uses: Dynamic loading ...

Much of the Linux kernel is written in portable C,and a great deal of it is portable to a clean architecture like MIPSwith no further trouble. In the previous Part 4 we looked at the ...