On Tue, Sep 22, 2020 at 9:25 AM Paul E. McKenney <paulmck@xxxxxxxxxx> wrote: > > Hello, Alexei, > > This pull request contains eight commits that speed up RCU Tasks Trace > grace periods by a factor of 50, fix a few race conditions exposed > by this speedup, and clean up a couple of minor issues. These have > been exposed to 0day and -next testing, and have passed well over 1,000 > hours of rcutorture testing, some of which has contained ad-hoc changes > to further increase race probabilities. So they should be solid! > (Famous last words...) > > I would normally have sent this series up through -tip, but as we > discussed, going up through the BFP and networking trees provides the > needed exposure to real-world testing of these changes. Please note > that the first patch is already in mainline, but given identical SHA-1 > commit IDs, git should have no problem figuring this out. I will also > be retaining these commits in -rcu in order to continue exposing them > to rcutorture testing, but again the identical SHA-1 commit IDs will > make everything work out. Pulled into bpf-next. Thanks a lot. Also confirming 50x speedup. Really nice to see that selftests/bpf are now fast again. Not only all bpf developers will be running these patches now, but the bpf CI system will be exercising them as well.
