Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-28 Thread Paul E. McKenney
On Thu, Mar 28, 2019 at 06:28:26AM +0100, Greg Kroah-Hartman wrote: > On Thu, Mar 28, 2019 at 01:36:12AM +, Zhang, Jun wrote: > > Hello, Paul > > > > Yes, I only use original V3.18.136 to test. Because system run very slowly, > > I give up. > > > > Device: NUC (made in 2017) > > OS:

Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-27 Thread Greg Kroah-Hartman
On Thu, Mar 28, 2019 at 01:36:12AM +, Zhang, Jun wrote: > Hello, Paul > > Yes, I only use original V3.18.136 to test. Because system run very slowly, I > give up. > > Device: NUC (made in 2017) > OS:ubuntu 16.04 > Kernel: V3.18.136 (come from >

RE: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-27 Thread Zhang, Jun
; linux-kernel@vger.kernel.org; sta...@vger.kernel.org; Xiao, Jin ; Bai, Jie A Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt Hello, Jun, Do you see the same hang without the patch? Thanx

Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-27 Thread Paul E. McKenney
2019 23:56 > To: He, Bo > Cc: Greg Kroah-Hartman ; > linux-kernel@vger.kernel.org; sta...@vger.kernel.org; Zhang, Jun > ; Xiao, Jin ; Bai, Jie A > > Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from > softirq and interrupt > > On Tue, Mar 26,

RE: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-26 Thread Zhang, Jun
...@linux.ibm.com] Sent: Tuesday, March 26, 2019 23:56 To: He, Bo Cc: Greg Kroah-Hartman ; linux-kernel@vger.kernel.org; sta...@vger.kernel.org; Zhang, Jun ; Xiao, Jin ; Bai, Jie A Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt On Tue, Mar 26

Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-26 Thread Paul E. McKenney
> sta...@vger.kernel.org; Zhang, Jun ; Xiao, Jin > ; Bai, Jie A > Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from > softirq and interrupt > > On Sat, Mar 23, 2019 at 07:33:15AM +0100, Greg Kroah-Hartman wrote: > > On Fri, Mar 22, 2019 at 04:00:

RE: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-26 Thread He, Bo
, March 26, 2019 12:00 AM To: Greg Kroah-Hartman Cc: He, Bo ; linux-kernel@vger.kernel.org; sta...@vger.kernel.org; Zhang, Jun ; Xiao, Jin ; Bai, Jie A Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt On Sat, Mar 23, 2019 at 07:33:15AM +0100, Greg

Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-25 Thread Paul E. McKenney
On Sat, Mar 23, 2019 at 07:33:15AM +0100, Greg Kroah-Hartman wrote: > On Fri, Mar 22, 2019 at 04:00:17PM +, He, Bo wrote: > > Hi, Greg: > > Can you hold on the 3.18-stable branch, it seems there are some issue, > > please see the comments from Paul: > > > > Comments from Paul: > > I

Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-23 Thread Greg Kroah-Hartman
On Fri, Mar 22, 2019 at 04:00:17PM +, He, Bo wrote: > Hi, Greg: > Can you hold on the 3.18-stable branch, it seems there are some issue, > please see the comments from Paul: > > Comments from Paul: > I subjected all of the others to light rcutorture testing, which they passed. > This

RE: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

2019-03-22 Thread He, Bo
Hi, Greg: Can you hold on the 3.18-stable branch, it seems there are some issue, please see the comments from Paul: Comments from Paul: I subjected all of the others to light rcutorture testing, which they passed. This v3.18 patch hung, however. Trying it again with stock v3.18 got