On 5/6/19 3:43 PM, Ingo Molnar wrote: > * Waiman Long <[email protected]> wrote: > >> On 5/6/19 4:50 AM, Ingo Molnar wrote: >>> Linus, >>> >>> Please pull the latest locking-core-for-linus git tree from: >>> >>> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git >>> locking-core-for-linus >>> >>> # HEAD: d671002be6bdd7f77a771e23bf3e95d1f16775e6 locking/lockdep: Remove >>> unnecessary unlikely() >>> >>> [ Dependency note: this tree depends on commits also in the RCU tree, >>> please disregard this pull request if you weren't able to pull the RCU >>> tree for some reason. ] >>> >>> Here are the locking changes in this cycle: >>> >>> - rwsem unification and simpler micro-optimizations to prepare for more >>> intrusive (and more lucrative) scalability improvements in v5.3 >>> (Waiman Long) >> Is it possible to pull in also my "locking/rwsem: Prevent decrement of >> reader count before increment" patch for 5.2? The rests can wait until 5.3. > Sure - how close is this to a straight: > > git revert 70800c3c0cc5 > > ? > > If it's close enough then please resubmit this as a 'Revert "..."' patch, > which I'll queue up in locking/urgent. As explained by Linus, it is not a straight revert. > It also is a performance, not a correctness fix, and should probably get > a Cc: stable as well, right?
This patch is not for performance. It is fixing a regression and it does have a cc: stable tag. Thanks you for your help as I would like to backport the fix downstream. Cheers, Longman
