Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932520AbaGWCeG (ORCPT ); Tue, 22 Jul 2014 22:34:06 -0400 Received: from mga11.intel.com ([192.55.52.93]:54513 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756754AbaGWCeD (ORCPT ); Tue, 22 Jul 2014 22:34:03 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="363778301" From: "Chen, Gong" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, tglx@linutronix.de, paulus@samba.org, benh@kernel.crashing.org, tony.luck@intel.com, hpa@zytor.com, jkosina@suse.cz, rafael.j.wysocki@intel.com, bp@alien8.de, linux@arm.linux.org.uk, ralf@linux-mips.org, schwidefsky@de.ibm.com, davem@davemloft.net, viro@zeniv.linux.org.uk, fweisbec@gmail.com, cl@linux.com, akpm@linux-foundation.org, axboe@kernel.dk, JBottomley@parallels.com, neilb@suse.de, christoffer.dall@linaro.org, rostedt@goodmis.org, rric@kernel.org, gregkh@linuxfoundation.org, mhocko@suse.cz, david@fromorbit.com, "Chen, Gong" Subject: [RFC PATCH v1 26/70] rcu, tree: _FROZEN Cleanup Date: Tue, 22 Jul 2014 21:59:02 -0400 Message-Id: <1406080786-3938-27-git-send-email-gong.chen@linux.intel.com> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1406080786-3938-1-git-send-email-gong.chen@linux.intel.com> References: <1406080786-3938-1-git-send-email-gong.chen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Remove XXX_FROZEN state from rcu/tree. Signed-off-by: Chen, Gong --- kernel/rcu/tree.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 625d0b0..8518338 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3440,28 +3440,26 @@ static int rcu_cpu_notify(struct notifier_block *self, struct rcu_state *rsp; trace_rcu_utilization(TPS("Start CPU hotplug")); - switch (action) { + switch (action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: - case CPU_UP_PREPARE_FROZEN: rcu_prepare_cpu(cpu); rcu_prepare_kthreads(cpu); break; case CPU_ONLINE: case CPU_DOWN_FAILED: - rcu_boost_kthread_setaffinity(rnp, -1); + if (!(action & CPU_TASKS_FROZEN)) + rcu_boost_kthread_setaffinity(rnp, -1); break; case CPU_DOWN_PREPARE: - rcu_boost_kthread_setaffinity(rnp, cpu); + if (!(action & CPU_TASKS_FROZEN)) + rcu_boost_kthread_setaffinity(rnp, cpu); break; case CPU_DYING: - case CPU_DYING_FROZEN: for_each_rcu_flavor(rsp) rcu_cleanup_dying_cpu(rsp); break; case CPU_DEAD: - case CPU_DEAD_FROZEN: case CPU_UP_CANCELED: - case CPU_UP_CANCELED_FROZEN: for_each_rcu_flavor(rsp) rcu_cleanup_dead_cpu(cpu, rsp); break; -- 2.0.0.rc2 -- 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/