From owner-svn-src-head@FreeBSD.ORG  Sun Sep 28 09:16:30 2014
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 924D2843;
 Sun, 28 Sep 2014 09:16:30 +0000 (UTC)
Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "cell.glebius.int.ru", Issuer "cell.glebius.int.ru" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id 164D294D;
 Sun, 28 Sep 2014 09:16:28 +0000 (UTC)
Received: from cell.glebius.int.ru (localhost [127.0.0.1])
 by cell.glebius.int.ru (8.14.9/8.14.9) with ESMTP id s8S9GPX3057815
 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);
 Sun, 28 Sep 2014 13:16:25 +0400 (MSK)
 (envelope-from glebius@FreeBSD.org)
Received: (from glebius@localhost)
 by cell.glebius.int.ru (8.14.9/8.14.9/Submit) id s8S9GPUO057814;
 Sun, 28 Sep 2014 13:16:25 +0400 (MSK)
 (envelope-from glebius@FreeBSD.org)
X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to
 glebius@FreeBSD.org using -f
Date: Sun, 28 Sep 2014 13:16:25 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: Re: svn commit: r272244 - head/sys/net
Message-ID: <20140928091625.GU884@FreeBSD.org>
References: <201409280857.s8S8v8cG011117@svn.freebsd.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <201409280857.s8S8v8cG011117@svn.freebsd.org>
User-Agent: Mutt/1.5.23 (2014-03-12)
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 28 Sep 2014 09:16:30 -0000

On Sun, Sep 28, 2014 at 08:57:08AM +0000, Gleb Smirnoff wrote:
T> Author: glebius
T> Date: Sun Sep 28 08:57:07 2014
T> New Revision: 272244
T> URL: http://svnweb.freebsd.org/changeset/base/272244
T> 
T> Log:
T>   Finally, convert counters in struct ifnet to counter(9).
T>   
T>   Sponsored by:	Netflix
T>   Sponsored by:	Nginx, Inc.

Now the network stack is 99% free of old style ++ on a global
variable, that trashes cache line and is racy.

The last remnant is queue drop counter in buf_ring(9), which
would be probably addressed when interface queuing is generalized.

-- 
Totus tuus, Glebius.