As an operating system, Linux really is highly portable. But for all of the places that Linux runs, embedded systems are the one place where you see a huge variety of instruction set architectures.
Reflecting that diversity, the Yocto Project allows you to generate a custom Linux build for the four most popular architectures in use in embedded: x86 (32 and 64 bit), ARM, Power PC and MIPS.
To demonstrate that power, the Yocto Project team set up a demo at the Embedded Linux Conference with all four of these architectures running builds generated by the Yocto Project v0.9.
Read more at Intel OSS Blogs