[PATCH 4.2 065/110] arm64: kernel: fix tcr_el1.t0sz restore on systems with extended idmap

4.2-stable review patch. If anyone has any objections, please let me know. -- From: Lorenzo Pieralisi commit e13d918a19a7b6cba62b32884f5e336e764c2cc6 upstream. Commit dd006da21646 ("arm64: mm: increase VA range of identity map") introduced a mechanism to extend the virtual

[PATCH 4.2 065/110] arm64: kernel: fix tcr_el1.t0sz restore on systems with extended idmap

4.2-stable review patch. If anyone has any objections, please let me know. -- From: Lorenzo Pieralisi commit e13d918a19a7b6cba62b32884f5e336e764c2cc6 upstream. Commit dd006da21646 ("arm64: mm: increase VA range of identity map") introduced a