From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net 1/1] r8169: fix memory corruption on retrieval of hardware statistics. Date: Thu, 25 Jan 2018 21:34:34 -0500 (EST) Message-ID: <20180125.213434.368174894600222543.davem@davemloft.net> References: <20180123.203316.1537241370565274071.davem@davemloft.net> <20180126005326.GA15234@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: o.freyermuth@googlemail.com, netdev@vger.kernel.org To: romieu@fr.zoreil.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:38998 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751450AbeAZCeg (ORCPT ); Thu, 25 Jan 2018 21:34:36 -0500 In-Reply-To: <20180126005326.GA15234@electric-eye.fr.zoreil.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Francois Romieu Date: Fri, 26 Jan 2018 01:53:26 +0100 > Hardware statistics retrieval hurts in tight invocation loops. > > Avoid extraneous write and enforce strict ordering of writes targeted to > the tally counters dump area address registers. > > Signed-off-by: Francois Romieu > Tested-by: Oliver Freyermuth Applied and queued up for -stable, thanks Francois.