When a grace period is started, the ->expmask of each node is set up
from sync_exp_reset_tree(). Then later on each leaf node also initialize
its ->exp_tasks pointer.
This means that the initialization of the quiescent state of a node and
the initialization of its blocking tasks happen with an unl
Le Tue, Mar 18, 2025 at 10:17:16AM -0700, Paul E. McKenney a écrit :
> On Fri, Mar 14, 2025 at 03:36:38PM +0100, Frederic Weisbecker wrote:
> > When a grace period is started, the ->expmask of each node is set up
> > from sync_exp_reset_tree(). Then later on each leaf node also initialize
> > its -
On Fri, Mar 14, 2025 at 03:36:38PM +0100, Frederic Weisbecker wrote:
> When a grace period is started, the ->expmask of each node is set up
> from sync_exp_reset_tree(). Then later on each leaf node also initialize
> its ->exp_tasks pointer.
>
> This means that the initialization of the quiescent
Le Sun, Mar 16, 2025 at 10:23:45AM -0400, Joel Fernandes a écrit :
> >> A small side effect of this patch could be:
> >>
> >> In the existing code, if between the sync_exp_reset_tree() and the
> >> __sync_rcu_exp_select_node_cpus(), if a pre-existing reader unblocked and
> >> completed, then I thin
On 3/16/2025 7:07 AM, Frederic Weisbecker wrote:
>>> diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
>>> index c36c7d5575ca..2fa7aa9155bd 100644
>>> --- a/kernel/rcu/tree_exp.h
>>> +++ b/kernel/rcu/tree_exp.h
>>> @@ -141,6 +141,13 @@ static void __maybe_unused sync_exp_reset_tree(void
Le Sat, Mar 15, 2025 at 07:59:45PM -0400, Joel Fernandes a écrit :
> Hi Frederic,
>
> On Fri, Mar 14, 2025 at 03:36:38PM +0100, Frederic Weisbecker wrote:
> > When a grace period is started, the ->expmask of each node is set up
> > from sync_exp_reset_tree(). Then later on each leaf node also init
Hi Frederic,
On Fri, Mar 14, 2025 at 03:36:38PM +0100, Frederic Weisbecker wrote:
> When a grace period is started, the ->expmask of each node is set up
> from sync_exp_reset_tree(). Then later on each leaf node also initialize
> its ->exp_tasks pointer.
>
> This means that the initialization of
When a grace period is started, the ->expmask of each node is set up
from sync_exp_reset_tree(). Then later on each leaf node also initialize
its ->exp_tasks pointer.
This means that the initialization of the quiescent state of a node and
the initialization of its blocking tasks happen with an unl
8 matches
Mail list logo
