It is enough to have three values of rcu_gp.ctr, 00 for INACTIVE,
01 or 11 for ACTIVE. So it is possible to replace add operation
with xor operation when changing rcu_gp.ctr value.
Signed-off-by: yaowenbin
---
src/urcu-qsbr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sr
- On Feb 16, 2022, at 2:35 AM, lttng-dev lttng-dev@lists.lttng.org wrote:
> It is enough to have three values of rcu_gp.ctr, 00 for INACTIVE,
> 01 or 11 for ACTIVE. So it is possible to replace add operation
> with xor operation when changing rcu_gp.ctr value.
What is missing here is a descri
On Wed, Feb 16, 2022 at 03:53:20PM -0500, Mathieu Desnoyers wrote:
> - On Feb 16, 2022, at 2:35 AM, lttng-dev lttng-dev@lists.lttng.org wrote:
>
> > It is enough to have three values of rcu_gp.ctr, 00 for INACTIVE,
> > 01 or 11 for ACTIVE. So it is possible to replace add operation
> > with xo
