From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754563AbcILRCB (ORCPT ); Mon, 12 Sep 2016 13:02:01 -0400 Received: from mail-lf0-f46.google.com ([209.85.215.46]:34771 "EHLO mail-lf0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752762AbcILRB4 (ORCPT ); Mon, 12 Sep 2016 13:01:56 -0400 Subject: Re: [RFC V3 PATCH 22/26] net/netpolicy: set per task policy by proc To: kan.liang@intel.com, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <1473692159-4017-1-git-send-email-kan.liang@intel.com> <1473692159-4017-23-git-send-email-kan.liang@intel.com> Cc: jeffrey.t.kirsher@intel.com, mingo@redhat.com, peterz@infradead.org, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, akpm@linux-foundation.org, keescook@chromium.org, viro@zeniv.linux.org.uk, gorcunov@openvz.org, john.stultz@linaro.org, aduyck@mirantis.com, ben@decadent.org.uk, decot@googlers.com, fw@strlen.de, alexander.duyck@gmail.com, daniel@iogearbox.net, tom@herbertland.com, rdunlap@infradead.org, xiyou.wangcong@gmail.com, hannes@stressinduktion.org, stephen@networkplumber.org, alexei.starovoitov@gmail.com, jesse.brandeburg@intel.com, andi@firstfloor.org From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: <9e899649-d646-f4e8-87ce-6aa60d23e6e8@cogentembedded.com> Date: Mon, 12 Sep 2016 20:01:50 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <1473692159-4017-23-git-send-email-kan.liang@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/12/2016 05:55 PM, kan.liang@intel.com wrote: > From: Kan Liang > > Users may not want to change the source code to add per task net polic Policy? > support. Or they may want to change a running task's net policy. prctl > does not work for both cases. > > This patch adds an interface in /proc, which can be used to set and > retrieve policy of already running tasks. User can write the policy name > into /proc/$PID/net_policy to set per task net policy. > > Signed-off-by: Kan Liang [...] MBR, Sergei