[PATCH 0/8] x86: 5-level paging enabling for v4.12, Part 4

Here's the fourth and the last bunch of of patches that brings initial 5-level paging enabling. Please review and consider applying. As Ingo requested I've tried to rewrite assembly parts of boot process into C before bringing 5-level paging support. The only part where I succeed is startup_64

[PATCH 0/8] x86: 5-level paging enabling for v4.12, Part 4

Here's the fourth and the last bunch of of patches that brings initial 5-level paging enabling. Please review and consider applying. As Ingo requested I've tried to rewrite assembly parts of boot process into C before bringing 5-level paging support. The only part where I succeed is startup_64