From 3a9e6e9df706b8d39af94d2f027210e2e7d4106e Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 9 Feb 2009 14:05:19 -0500 Subject: [PATCH] Add comment in rcu_add_lock Comment optimization to make it clear to the reader. Signed-off-by: Mathieu Desnoyers --- urcu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/urcu.h b/urcu.h index 9e9fea2..277b7d2 100644 --- a/urcu.h +++ b/urcu.h @@ -199,6 +199,7 @@ static inline void rcu_read_lock(void) debug_yield_read(); tmp = urcu_active_readers; debug_yield_read(); + /* urcu_gp_ctr = RCU_GP_COUNT | (~RCU_GP_CTR_BIT or RCU_GP_CTR_BIT) */ if (likely(!(tmp & RCU_GP_CTR_NEST_MASK))) urcu_active_readers = urcu_gp_ctr; else -- 2.34.1