Re: [RFC][PATCH 0/3] locking/qspinlock: Improve determinism for x86

[Sebastian Andrzej Siewior]

On 2018-09-26 13:01:17 [+0200], Peter Zijlstra wrote:
> In particular this ordering ensures a concurrent unlock cannot trigger
> the uncontended handoff. Also it ensures that if the xchg() happens
> after a (successful) trylock, we must observe that LOCKED bit.

so I backported a bunch of atomic files and qspinlock back to v4.9-RT in
order to get these patches applied. The backported kernel booted and
showed the same symptomps within seconds (those I reported last FR).
With those three patches ontop I have the Core2Duo 10 minutes in
testing without any issuesâ

Sebastian