From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ursula.Braun.braunu@de.ibm.com Subject: [patch 2/2] s390: add barriers to qeth driver Date: Thu, 12 Jul 2007 09:51:01 +0200 Message-ID: <20070712075327.445441000@linux.vnet.ibm.com> References: <20070712075059.579991000@linux.vnet.ibm.com> Cc: Frank Blaschka , Frank Pavlic To: jgarzik@pobox.com, netdev@vger.kernel.org, linux-s390@vger.kernel.org Return-path: Received: from mtagate7.de.ibm.com ([195.212.29.156]:25345 "EHLO mtagate7.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758157AbXGLHxa (ORCPT ); Thu, 12 Jul 2007 03:53:30 -0400 Content-Disposition: inline; filename=703-qeth-barriers.diff Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Frank Blaschka Add barrier to loop where atomic variable is evaluated. Signed-off-by: Frank Blaschka Signed-off-by: Ursula Braun Signed-off-by: Frank Pavlic --- drivers/s390/net/qeth_main.c | 1 + 1 files changed, 1 insertion(+) Index: linux-2.6-uschi/drivers/s390/net/qeth_main.c =================================================================== --- linux-2.6-uschi.orig/drivers/s390/net/qeth_main.c +++ linux-2.6-uschi/drivers/s390/net/qeth_main.c @@ -1935,6 +1935,7 @@ qeth_send_control_data(struct qeth_card atomic_inc(&reply->received); wake_up(&reply->wait_q); } + cpu_relax(); }; rc = reply->rc; qeth_put_reply(reply); --