Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-20 Thread Tomeu Vizoso
On 9 March 2017 at 16:50, Paul E. McKenney wrote: > > On Thu, Mar 09, 2017 at 07:29:26AM -0800, Paul E. McKenney wrote: > > On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > > > On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > > > > On

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-20 Thread Tomeu Vizoso
On 9 March 2017 at 16:50, Paul E. McKenney wrote: > > On Thu, Mar 09, 2017 at 07:29:26AM -0800, Paul E. McKenney wrote: > > On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > > > On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > > > > On Wed, 8 Mar 2017, Paul E.

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-20 Thread Paul E. McKenney
On Mon, Mar 20, 2017 at 09:32:37AM +0100, Tomeu Vizoso wrote: > On 9 March 2017 at 16:50, Paul E. McKenney wrote: > > > > On Thu, Mar 09, 2017 at 07:29:26AM -0800, Paul E. McKenney wrote: > > > On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > > > > On

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-20 Thread Paul E. McKenney
On Mon, Mar 20, 2017 at 09:32:37AM +0100, Tomeu Vizoso wrote: > On 9 March 2017 at 16:50, Paul E. McKenney wrote: > > > > On Thu, Mar 09, 2017 at 07:29:26AM -0800, Paul E. McKenney wrote: > > > On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > > > > On Thu, Mar 09, 2017 at

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 07:29:26AM -0800, Paul E. McKenney wrote: > On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > > On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > > > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > > > [ 30.694013]

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 07:29:26AM -0800, Paul E. McKenney wrote: > On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > > On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > > > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > > > [ 30.694013]

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > > > [ 30.694013] get_work_pool+0x82/0x90 > > > [

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 04:12:55PM +0100, Peter Zijlstra wrote: > On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > > > [ 30.694013] get_work_pool+0x82/0x90 > > > [

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > > [ 30.694013] get_work_pool+0x82/0x90 > > [ 30.694013] __queue_work+0x70/0x5f0 > > [ 30.694013] queue_work_on+0x33/0x70 >

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > > [ 30.694013] get_work_pool+0x82/0x90 > > [ 30.694013] __queue_work+0x70/0x5f0 > > [ 30.694013] queue_work_on+0x33/0x70 >

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Peter Zijlstra
On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > > [ 30.694013] get_work_pool+0x82/0x90 > > [ 30.694013] __queue_work+0x70/0x5f0 > > [ 30.694013] queue_work_on+0x33/0x70 >

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Peter Zijlstra
On Thu, Mar 09, 2017 at 02:08:23PM +0100, Thomas Gleixner wrote: > On Wed, 8 Mar 2017, Paul E. McKenney wrote: > > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > > [ 30.694013] get_work_pool+0x82/0x90 > > [ 30.694013] __queue_work+0x70/0x5f0 > > [ 30.694013] queue_work_on+0x33/0x70 >

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Thomas Gleixner
On Wed, 8 Mar 2017, Paul E. McKenney wrote: > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > [ 30.694013] get_work_pool+0x82/0x90 > [ 30.694013] __queue_work+0x70/0x5f0 > [ 30.694013] queue_work_on+0x33/0x70 > [ 30.694013] clear_sched_clock_stable+0x33/0x40 > [ 30.694013]

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-09 Thread Thomas Gleixner
On Wed, 8 Mar 2017, Paul E. McKenney wrote: > [ 30.694013] lockdep_rcu_suspicious+0xe7/0x120 > [ 30.694013] get_work_pool+0x82/0x90 > [ 30.694013] __queue_work+0x70/0x5f0 > [ 30.694013] queue_work_on+0x33/0x70 > [ 30.694013] clear_sched_clock_stable+0x33/0x40 > [ 30.694013]

RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Paul E. McKenney
Hello! I am seeing the following splat in rcutorture testing of v4.11-rc1: [ 30.694013] = [ 30.694013] WARNING: suspicious RCU usage [ 30.694013] 4.11.0-rc1+ #1 Not tainted [ 30.694013] - [ 30.694013]

RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Paul E. McKenney
Hello! I am seeing the following splat in rcutorture testing of v4.11-rc1: [ 30.694013] = [ 30.694013] WARNING: suspicious RCU usage [ 30.694013] 4.11.0-rc1+ #1 Not tainted [ 30.694013] - [ 30.694013]

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 04:55:29AM +0100, Frederic Weisbecker wrote: > On Wed, Mar 08, 2017 at 03:41:52PM -0800, Paul E. McKenney wrote: > > On Wed, Mar 08, 2017 at 02:16:56PM -0800, Paul E. McKenney wrote: > > > Hello! > > > > > > I am seeing the following splat in rcutorture testing of

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Paul E. McKenney
On Thu, Mar 09, 2017 at 04:55:29AM +0100, Frederic Weisbecker wrote: > On Wed, Mar 08, 2017 at 03:41:52PM -0800, Paul E. McKenney wrote: > > On Wed, Mar 08, 2017 at 02:16:56PM -0800, Paul E. McKenney wrote: > > > Hello! > > > > > > I am seeing the following splat in rcutorture testing of

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Frederic Weisbecker
On Wed, Mar 08, 2017 at 03:41:52PM -0800, Paul E. McKenney wrote: > On Wed, Mar 08, 2017 at 02:16:56PM -0800, Paul E. McKenney wrote: > > Hello! > > > > I am seeing the following splat in rcutorture testing of v4.11-rc1: > > > > [ 30.694013] = > > [ 30.694013]

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Frederic Weisbecker
On Wed, Mar 08, 2017 at 03:41:52PM -0800, Paul E. McKenney wrote: > On Wed, Mar 08, 2017 at 02:16:56PM -0800, Paul E. McKenney wrote: > > Hello! > > > > I am seeing the following splat in rcutorture testing of v4.11-rc1: > > > > [ 30.694013] = > > [ 30.694013]

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Paul E. McKenney
On Wed, Mar 08, 2017 at 02:16:56PM -0800, Paul E. McKenney wrote: > Hello! > > I am seeing the following splat in rcutorture testing of v4.11-rc1: > > [ 30.694013] = > [ 30.694013] WARNING: suspicious RCU usage > [ 30.694013] 4.11.0-rc1+ #1 Not tainted > [

Re: RCU used on incoming CPU before rcu_cpu_starting() called

2017-03-08 Thread Paul E. McKenney
On Wed, Mar 08, 2017 at 02:16:56PM -0800, Paul E. McKenney wrote: > Hello! > > I am seeing the following splat in rcutorture testing of v4.11-rc1: > > [ 30.694013] = > [ 30.694013] WARNING: suspicious RCU usage > [ 30.694013] 4.11.0-rc1+ #1 Not tainted > [