Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752903AbbBKOnF (ORCPT ); Wed, 11 Feb 2015 09:43:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59063 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752772AbbBKOnD (ORCPT ); Wed, 11 Feb 2015 09:43:03 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , "Paul E. McKenney" Subject: [PATCH 3/3] rcu: Call trace_rcu_batch_start() with enabled interrupts Date: Wed, 11 Feb 2015 15:42:39 +0100 Message-Id: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1459 Lines: 43 Currently trace_rcu_batch_start() is called with local interrupts disabled. Yet, there is no reason to do so. Cc: "Paul E. McKenney" Signed-off-by: Alexander Gordeev --- kernel/rcu/tiny.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c index 069742d..01e80ac 100644 --- a/kernel/rcu/tiny.c +++ b/kernel/rcu/tiny.c @@ -166,11 +166,12 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp) const char *rn = NULL; struct rcu_head *next, *list; unsigned long flags; + RCU_TRACE(long qlen); RCU_TRACE(int cb_count = 0); /* Move the ready-to-invoke callbacks to a local list. */ local_irq_save(flags); - RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, rcp->qlen, -1)); + RCU_TRACE(qlen = rcp->qlen); list = rcp->rcucblist; rcp->rcucblist = *rcp->donetail; *rcp->donetail = NULL; @@ -180,6 +181,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp) local_irq_restore(flags); /* Invoke the callbacks on the local list. */ + RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, qlen, -1)); RCU_TRACE(rn = rcp->name); while (list) { next = list->next; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/