From: Paul E. McKenney Date: Wed, 25 Apr 2018 19:03:36 +0000 (-0700) Subject: srcu: Document that srcu_funnel_gp_start() implies srcu_funnel_exp_start() X-Git-Tag: v4.19~484^2^2~89^3~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=17294ce6a41d3fee6a9bfc52387c107a4607c1c9;p=platform%2Fkernel%2Flinux-rpi.git srcu: Document that srcu_funnel_gp_start() implies srcu_funnel_exp_start() This commit updates the header comment of srcu_funnel_gp_start() to document the fact that srcu_funnel_gp_start() does the work of srcu_funnel_exp_start(), in some cases by invoking it directly. Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 615e414..37bef2f 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -641,6 +641,9 @@ static void srcu_funnel_exp_start(struct srcu_struct *sp, struct srcu_node *snp, * period s. Losers must either ensure that their desired grace-period * number is recorded on at least their leaf srcu_node structure, or they * must take steps to invoke their own callbacks. + * + * Note that this function also does the work of srcu_funnel_exp_start(), + * in some cases by directly invoking it. */ static void srcu_funnel_gp_start(struct srcu_struct *sp, struct srcu_data *sdp, unsigned long s, bool do_norm)