> What's LTO? I guess it's Link Time Optimization? Is there any Yes. Link Time Optimization with modern gcc. > documentation about how it works or how to use it? It's still a separate tree, but bits'n'pieces are slowly making it into the kernel. https://github.com/andikleen/linux-misc/tree/lto-3.12 https://github.com/andikleen/linux-misc/blob/5a18e33264321b01816a220ab14207a5f26ae16e/Documentation/lto-build http://halobates.de/kernel-lto.pdf -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html