Re: [PATCH 3/3] rcu: Report callbacks enqueued on offline CPU blind spot

2024-10-10 Thread Joel Fernandes
On Wed, Oct 9, 2024 at 11:13 AM Paul E. McKenney wrote: > > On Tue, Oct 08, 2024 at 07:03:50PM -0700, Paul E. McKenney wrote: > > On Wed, Oct 02, 2024 at 05:00:03PM +0200, Frederic Weisbecker wrote: > > > Le Wed, Oct 02, 2024 at 04:57:38PM +0200, Frederic Weisbecker a écrit : > > > > Callbacks enq

Re: [PATCH 3/3] rcu: Report callbacks enqueued on offline CPU blind spot

2024-10-09 Thread Paul E. McKenney
On Tue, Oct 08, 2024 at 07:03:50PM -0700, Paul E. McKenney wrote: > On Wed, Oct 02, 2024 at 05:00:03PM +0200, Frederic Weisbecker wrote: > > Le Wed, Oct 02, 2024 at 04:57:38PM +0200, Frederic Weisbecker a écrit : > > > Callbacks enqueued after rcutree_report_cpu_dead() fall into RCU barrier > > > b

Re: [PATCH 3/3] rcu: Report callbacks enqueued on offline CPU blind spot

2024-10-08 Thread Neeraj Upadhyay
On 10/2/2024 8:30 PM, Frederic Weisbecker wrote: > Le Wed, Oct 02, 2024 at 04:57:38PM +0200, Frederic Weisbecker a écrit : >> Callbacks enqueued after rcutree_report_cpu_dead() fall into RCU barrier >> blind spot. Report any potential misuse. >> >> Reported-by: Paul E. McKenney >> Signed-off-by

Re: [PATCH 3/3] rcu: Report callbacks enqueued on offline CPU blind spot

2024-10-08 Thread Paul E. McKenney
On Wed, Oct 02, 2024 at 05:00:03PM +0200, Frederic Weisbecker wrote: > Le Wed, Oct 02, 2024 at 04:57:38PM +0200, Frederic Weisbecker a écrit : > > Callbacks enqueued after rcutree_report_cpu_dead() fall into RCU barrier > > blind spot. Report any potential misuse. > > > > Reported-by: Paul E. McKe

Re: [PATCH 3/3] rcu: Report callbacks enqueued on offline CPU blind spot

2024-10-02 Thread Frederic Weisbecker
Le Wed, Oct 02, 2024 at 04:57:38PM +0200, Frederic Weisbecker a écrit : > Callbacks enqueued after rcutree_report_cpu_dead() fall into RCU barrier > blind spot. Report any potential misuse. > > Reported-by: Paul E. McKenney > Signed-off-by: Frederic Weisbecker > --- > kernel/rcu/tree.c | 3 +++

[PATCH 3/3] rcu: Report callbacks enqueued on offline CPU blind spot

2024-10-02 Thread Frederic Weisbecker
Callbacks enqueued after rcutree_report_cpu_dead() fall into RCU barrier blind spot. Report any potential misuse. Reported-by: Paul E. McKenney Signed-off-by: Frederic Weisbecker --- kernel/rcu/tree.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c i