* 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 beforeĀ  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.

It also is a performance, not a correctness fix, and should probably get 
a Cc: stable as well, right?

In any case it doesn't directly affect the locking/core bits pull request 
for Linus, 70800c3c0cc5 is already upstream.

Thanks,

        Ingo

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