Re: [RFC PATCH 07/12] rcu: Shutdown nocb timer on de-offloading

2020-09-23 Thread Paul E. McKenney
On Wed, Sep 23, 2020 at 05:29:52PM +0200, Frederic Weisbecker wrote: > On Mon, Sep 21, 2020 at 05:17:56PM -0700, Paul E. McKenney wrote: > > On Mon, Sep 21, 2020 at 02:43:46PM +0200, Frederic Weisbecker wrote: > > > Make sure the nocb timer can't fire anymore before we reach the final > > >

Re: [RFC PATCH 07/12] rcu: Shutdown nocb timer on de-offloading

2020-09-23 Thread Frederic Weisbecker
On Mon, Sep 21, 2020 at 05:17:56PM -0700, Paul E. McKenney wrote: > On Mon, Sep 21, 2020 at 02:43:46PM +0200, Frederic Weisbecker wrote: > > Make sure the nocb timer can't fire anymore before we reach the final > > de-offload state. Spuriously waking up the GP kthread is no big deal but > > we

Re: [RFC PATCH 07/12] rcu: Shutdown nocb timer on de-offloading

2020-09-21 Thread Paul E. McKenney
On Mon, Sep 21, 2020 at 02:43:46PM +0200, Frederic Weisbecker wrote: > Make sure the nocb timer can't fire anymore before we reach the final > de-offload state. Spuriously waking up the GP kthread is no big deal but > we must prevent from executing the timer callback without nocb locking. If we

[RFC PATCH 07/12] rcu: Shutdown nocb timer on de-offloading

2020-09-21 Thread Frederic Weisbecker
Make sure the nocb timer can't fire anymore before we reach the final de-offload state. Spuriously waking up the GP kthread is no big deal but we must prevent from executing the timer callback without nocb locking. Inspired-by: Paul E. McKenney Signed-off-by: Frederic Weisbecker Cc: Paul E.