[PATCH 4/5] rcu/exp: Warn on QS requested on dying CPU

2025-04-29 Thread Frederic Weisbecker
It is not possible to send an IPI to a dying CPU that has passed the CPUHP_TEARDOWN_CPU stage. Remaining unhandled IPIs are handled later at CPUHP_AP_SMPCFD_DYING stage by stop machine. This is the last opportunity for RCU exp handler to request an expedited quiescent state. And the upcoming final

Re: [PATCH 4/5] rcu/exp: Warn on QS requested on dying CPU

2025-03-19 Thread Frederic Weisbecker
Le Tue, Mar 18, 2025 at 10:21:48AM -0700, Paul E. McKenney a écrit : > On Fri, Mar 14, 2025 at 03:36:41PM +0100, Frederic Weisbecker wrote: > > It is not possible to send an IPI to a dying CPU that has passed the > > CPUHP_TEARDOWN_CPU stage. Remaining unhandled IPIs are handled later at > > CPUHP_

Re: [PATCH 4/5] rcu/exp: Warn on QS requested on dying CPU

2025-03-18 Thread Paul E. McKenney
On Fri, Mar 14, 2025 at 03:36:41PM +0100, Frederic Weisbecker wrote: > It is not possible to send an IPI to a dying CPU that has passed the > CPUHP_TEARDOWN_CPU stage. Remaining unhandled IPIs are handled later at > CPUHP_AP_SMPCFD_DYING stage by stop machine. This is the last > opportunity for RCU

[PATCH 4/5] rcu/exp: Warn on QS requested on dying CPU

2025-03-14 Thread Frederic Weisbecker
It is not possible to send an IPI to a dying CPU that has passed the CPUHP_TEARDOWN_CPU stage. Remaining unhandled IPIs are handled later at CPUHP_AP_SMPCFD_DYING stage by stop machine. This is the last opportunity for RCU exp handler to request an expedited quiescent state. And the upcoming final