[PATCH 4.9 050/102] arm64: mm: Use non-global mappings for kernel space

2018-04-06 Thread Greg Kroah-Hartman
4.9-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon commit e046eb0c9bf2 upstream. In preparation for unmapping the kernel whilst running in userspace, make the kernel mappings non-global so we can avoid

[PATCH 4.9 050/102] arm64: mm: Use non-global mappings for kernel space

2018-04-06 Thread Greg Kroah-Hartman
4.9-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon commit e046eb0c9bf2 upstream. In preparation for unmapping the kernel whilst running in userspace, make the kernel mappings non-global so we can avoid expensive TLB invalidation on