Multi-GPU Vulkan will not be just for Windows
 

Headed for Linux too

Vulkan graphics API was supposed to be cross-platform and fix the issue of DirectX 12 only being available on Windows 10.

But more recent rumours have suggested that Vulkan could feature multi-GPU support only on Windows 10 which would mean the project’s whole purpose has been superseded.

http://fudzilla.com/news/graphics/43...st-for-windows