master
8307806: Rename Atomic::fetch_and_add and friends
8216589: s390x build failures after JDK-8216167 (Update include guards to reflect correct directories)
8301508: Replace NULL with nullptr in os_cpu/linux_s390
8288752: Split thread implementation files
8221554: aarch64 cross-modifying code
8314020: Print instruction blocks in byte units
8290840: Refactor the "os" class
8269853: Prefetch::read should accept pointer to const
8283326: Implement SafeFetch statically
8216167: Update include guards to reflect correct directories