[PATCH 4.14 101/104] x86/mm/pat: Make set_memory_np() L1TF safe

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Andi Kleen commit 958f79b9ee55dfaf00c8106ed1c22a2919e0028b upstream set_memory_np() is used to mark kernel mappings not present, but it has it's own open coded mechanism which does not have

[PATCH 4.14 101/104] x86/mm/pat: Make set_memory_np() L1TF safe

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Andi Kleen commit 958f79b9ee55dfaf00c8106ed1c22a2919e0028b upstream set_memory_np() is used to mark kernel mappings not present, but it has it's own open coded mechanism which does not have