From patchwork Mon Mar 30 16:41:38 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 456258 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3F82A1400A0 for ; Tue, 31 Mar 2015 03:41:45 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753026AbbC3Qll (ORCPT ); Mon, 30 Mar 2015 12:41:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51037 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752828AbbC3Qlk (ORCPT ); Mon, 30 Mar 2015 12:41:40 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id DB6588E781; Mon, 30 Mar 2015 16:41:39 +0000 (UTC) Received: from [192.168.122.149] (ovpn-112-84.phx2.redhat.com [10.3.112.84]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t2UGfc4a017019; Mon, 30 Mar 2015 12:41:39 -0400 Subject: [net-next PATCH] ixgbe: Drop unnecessary call to rcu_barrier From: Alexander Duyck To: netdev@vger.kernel.org Cc: jeffrey.t.kirsher@intel.com Date: Mon, 30 Mar 2015 09:41:38 -0700 Message-ID: <20150330164138.1335.47547.stgit@ahduyck-vm-fedora22> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The ixgbe driver hasn't used call_rcu to free the rings for some time now. Since that is the case the call to rcu_barrier can be dropped since calls to kfree_rcu don't require it. Signed-off-by: Alexander Duyck --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 -- 1 file changed, 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 395dc6bb5d82..d628c0173e29 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -8977,8 +8977,6 @@ static void __exit ixgbe_exit_module(void) pci_unregister_driver(&ixgbe_driver); ixgbe_dbg_exit(); - - rcu_barrier(); /* Wait for completion of call_rcu()'s */ } #ifdef CONFIG_IXGBE_DCA