From 431235818bc3a919ca7487500c67c3144feece80 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sun, 7 Apr 2019 13:58:52 -0400 Subject: [PATCH] SUNRPC: Declare RPC timers as TIMER_DEFERRABLE Don't wake idle CPUs only for the purpose of servicing an RPC queue timeout. Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker --- net/sunrpc/sched.c | 4 +++- net/sunrpc/xprt.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 301e0f7f1dc9..1a12fb03e611 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -249,7 +249,9 @@ static void __rpc_init_priority_wait_queue(struct rpc_wait_queue *queue, const c queue->maxpriority = nr_queues - 1; rpc_reset_waitqueue_priority(queue); queue->qlen = 0; - timer_setup(&queue->timer_list.timer, __rpc_queue_timer_fn, 0); + timer_setup(&queue->timer_list.timer, + __rpc_queue_timer_fn, + TIMER_DEFERRABLE); INIT_LIST_HEAD(&queue->timer_list.list); rpc_assign_waitqueue_name(queue, qname); } diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 7c3623b17493..36af1a1929af 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1842,7 +1842,9 @@ found: xprt->idle_timeout = 0; INIT_WORK(&xprt->task_cleanup, xprt_autoclose); if (xprt_has_timer(xprt)) - timer_setup(&xprt->timer, xprt_init_autodisconnect, 0); + timer_setup(&xprt->timer, + xprt_init_autodisconnect, + TIMER_DEFERRABLE); else timer_setup(&xprt->timer, NULL, 0); -- 2.39.5