v3: https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg01087.html
Changes since v3: - Add R-b's - Add comment to copy_tlb_helper_locked to note that it can only be called from the TLB owner thread. The series is checkpatch-clean. You can fetch it from: https://github.com/cota/qemu/tree/tlb-lock-v4 Thanks, Emilio
