Re: [PATCH RESEND] device_cgroup: Fix RCU list debugging warning

2020-08-20 Thread Stephen Rothwell
Hi James, On Fri, 21 Aug 2020 04:28:34 +1000 (AEST) James Morris wrote: > > On Mon, 17 Aug 2020, Stephen Rothwell wrote: > > > > > mainline, so it can go up any tree. I can take it if no one else will, > > > > but it might be better going in via the security tree. > > > > > > James, do you

Re: [PATCH RESEND] device_cgroup: Fix RCU list debugging warning

2020-08-20 Thread James Morris
On Mon, 17 Aug 2020, Stephen Rothwell wrote: > > > mainline, so it can go up any tree. I can take it if no one else will, > > > but it might be better going in via the security tree. > > > > James, do you mind pulling it in? > > I am still carrying this patch. Has it been superceded, or is it

Re: [PATCH RESEND] device_cgroup: Fix RCU list debugging warning

2020-08-16 Thread Stephen Rothwell
Hi all, On Sun, 7 Jun 2020 23:17:34 -0500 "Serge E. Hallyn" wrote: > On Sun, Jun 07, 2020 at 12:08:40PM -0700, Paul E. McKenney wrote: > > On Sun, Jun 07, 2020 at 06:23:40AM +1000, Stephen Rothwell wrote: > > > > > > On Mon, 6 Apr 2020 16:29:50 +0530 Amol Grover > > > wrote: > > > > > > >

Re: [PATCH RESEND] device_cgroup: Fix RCU list debugging warning

2020-06-07 Thread Serge E. Hallyn
On Sun, Jun 07, 2020 at 12:08:40PM -0700, Paul E. McKenney wrote: > On Sun, Jun 07, 2020 at 06:23:40AM +1000, Stephen Rothwell wrote: > > Hi all, > > > > On Mon, 6 Apr 2020 16:29:50 +0530 Amol Grover wrote: > > > > > > exceptions may be traversed using list_for_each_entry_rcu() > > > outside of a

Re: [PATCH RESEND] device_cgroup: Fix RCU list debugging warning

2020-06-07 Thread Paul E. McKenney
On Sun, Jun 07, 2020 at 06:23:40AM +1000, Stephen Rothwell wrote: > Hi all, > > On Mon, 6 Apr 2020 16:29:50 +0530 Amol Grover wrote: > > > > exceptions may be traversed using list_for_each_entry_rcu() > > outside of an RCU read side critical section BUT under the > > protection of decgroup_mutex.

Re: [PATCH RESEND] device_cgroup: Fix RCU list debugging warning

2020-06-06 Thread Stephen Rothwell
Hi all, On Mon, 6 Apr 2020 16:29:50 +0530 Amol Grover wrote: > > exceptions may be traversed using list_for_each_entry_rcu() > outside of an RCU read side critical section BUT under the > protection of decgroup_mutex. Hence add the corresponding > lockdep expression to fix the following false-pos