X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu.h;h=277b7d2f45ae565610e4db9ee89457174fafa667;hp=9e9fea2b96fafa5c4688a1b1bf696284587df25f;hb=3a9e6e9df706b8d39af94d2f027210e2e7d4106e;hpb=128166c908bfaa915c76e060522abd20241ac69c

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