Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-17 Thread Thomas Gleixner
Paul, "Paul E. McKenney" writes: > On Sun, May 17, 2020 at 12:26:43PM +0200, Thomas Gleixner wrote: >> objtool check -fal $BUILDIR/vmlinux.o > > The conflict was trivial, but for future reference, where should I be > getting the proper objtool from? It's in the objtool/core branch of tip and

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-17 Thread Paul E. McKenney
On Sun, May 17, 2020 at 12:26:43PM +0200, Thomas Gleixner wrote: > Paul, > > "Paul E. McKenney" writes: > > And I have allegedly resolved the conflicts with Thomas's and Peter's > > series, or at least the noinstr-rcu-nmi-2020-05-15 branch of that series. > > At least one conflict was completely

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-17 Thread Thomas Gleixner
Paul, "Paul E. McKenney" writes: > And I have allegedly resolved the conflicts with Thomas's and Peter's > series, or at least the noinstr-rcu-nmi-2020-05-15 branch of that series. > At least one conflict was completely invisible to "git rebase" (but > fortunately blindingly obvious to the

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-16 Thread Paul E. McKenney
On Mon, May 04, 2020 at 10:44:13AM -0700, Paul E. McKenney wrote: > On Mon, May 04, 2020 at 10:15:32AM -0700, Paul E. McKenney wrote: > > On Mon, May 04, 2020 at 08:05:00AM -0400, Joel Fernandes (Google) wrote: > > > These patches clean up the usage of dynticks nesting counters simplifying > > >

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-04 Thread Joel Fernandes
On Mon, May 4, 2020 at 1:44 PM Paul E. McKenney wrote: > > On Mon, May 04, 2020 at 10:15:32AM -0700, Paul E. McKenney wrote: > > On Mon, May 04, 2020 at 08:05:00AM -0400, Joel Fernandes (Google) wrote: > > > These patches clean up the usage of dynticks nesting counters simplifying > > > the > >

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-04 Thread Paul E. McKenney
On Mon, May 04, 2020 at 10:15:32AM -0700, Paul E. McKenney wrote: > On Mon, May 04, 2020 at 08:05:00AM -0400, Joel Fernandes (Google) wrote: > > These patches clean up the usage of dynticks nesting counters simplifying > > the > > code, while preserving the usecases. > > > > It is a much needed

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-04 Thread Joel Fernandes
On Mon, May 4, 2020 at 1:15 PM Paul E. McKenney wrote: > > On Mon, May 04, 2020 at 08:05:00AM -0400, Joel Fernandes (Google) wrote: > > These patches clean up the usage of dynticks nesting counters simplifying > > the > > code, while preserving the usecases. > > > > It is a much needed

Re: [PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-04 Thread Paul E. McKenney
On Mon, May 04, 2020 at 08:05:00AM -0400, Joel Fernandes (Google) wrote: > These patches clean up the usage of dynticks nesting counters simplifying the > code, while preserving the usecases. > > It is a much needed simplification, makes the code less confusing, and > prevents > future bugs such

[PATCH v3 0/5] RCU dyntick nesting counter cleanups for rcu -dev

2020-05-04 Thread Joel Fernandes (Google)
These patches clean up the usage of dynticks nesting counters simplifying the code, while preserving the usecases. It is a much needed simplification, makes the code less confusing, and prevents future bugs such as those that arise from forgetting that the dynticks_nmi_nesting counter is not a