On 2024-10-21 19:35, Paul E. McKenney wrote:
On Mon, Oct 21, 2024 at 03:53:04PM -0400, Olivier Dion wrote:
Hi Paul,
In liburcu, `rcu_dereference()' is either implemented with volatile
access with `CMM_LOAD_SHARED()' followed by a memory barrier depends, or
a atomic load with CONSUME memory orde
On Thu, 21 Nov 2024, Mathieu Desnoyers wrote:
> On 2024-10-21 19:35, Paul E. McKenney wrote:
>> On Mon, Oct 21, 2024 at 03:53:04PM -0400, Olivier Dion wrote:
[...]
>> How much of the added "Volatile access" overhead is due to the volatile
>> load and how much to the cmm_ptr_eq? Many use cases do
