09/11/2018 12:42, Gavin Hu: > V1: > Update the ring C11 library including the following changes: > 1) On relaxed ordering platforms(like Arm64,PPPC), in ring C11 implementation, > loading head and tail might be reodered, this makes CAS(compare and retry > the flow if the head is outdated) not working as expected, the fix is to > ensure the head is read before the tail, leaving no chances of the > combination > of outdated head and new tail. > 2) With the above memory fence introduced, some loading can be relaxed. > > Gavin Hu (2): > ring: keep the deterministic order allowing retry to work > ring: relaxed ordering for load and store the head
No comment, so I guess it can enter in 18.11-rc3. Applied, thanks
