From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-2.6 1/2] cnic: Prevent status block race conditions with hardware Date: Wed, 02 Mar 2011 16:00:12 -0800 (PST) Message-ID: <20110302.160012.35056753.davem@davemloft.net> References: <1299106850-23645-1-git-send-email-mchan@broadcom.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: mchan@broadcom.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:51492 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756328Ab1CBX7f (ORCPT ); Wed, 2 Mar 2011 18:59:35 -0500 In-Reply-To: <1299106850-23645-1-git-send-email-mchan@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: "Michael Chan" Date: Wed, 2 Mar 2011 15:00:49 -0800 > The status block index is used to acknowledge interrupt events and must > be read before checking for the interrupt events, so we need to add rmb() > to guarantee that. > > Signed-off-by: Michael Chan Applied.