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Date: Wed, 29 Aug 2018 15:38:14 -0700 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com, josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Subject: [PATCH tip/core/rcu 12/52] rcu: Remove rsp parameter from print_cpu_stall() There now is only one rcu_state structure in a given build of the Linux kernel, so there is no need to pass it as a parameter to RCU's functions. This commit therefore removes the rsp parameter from print_cpu_stall(). Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> --- kernel/rcu/tree.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index a674198b5560..e875987f2ae3 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1386,12 +1386,13 @@ static void print_other_cpu_stall(unsigned long gp_seq) force_quiescent_state(rsp); /* Kick them all. */ } -static void print_cpu_stall(struct rcu_state *rsp) +static void print_cpu_stall(void) { int cpu; unsigned long flags; struct rcu_data *rdp = this_cpu_ptr(&rcu_data); struct rcu_node *rnp = rcu_get_root(); + struct rcu_state *rsp = &rcu_state; long totqlen = 0; /* Kick and suppress, if so configured. */ @@ -1491,7 +1492,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp) cmpxchg(&rsp->jiffies_stall, js, jn) == js) { /* We haven't checked in, so go dump stack. */ - print_cpu_stall(rsp); + print_cpu_stall(); } else if (rcu_gp_in_progress() && ULONG_CMP_GE(j, js + RCU_STALL_RAT_DELAY) && -- 2.17.1
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