From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934781AbaGYUM6 (ORCPT ); Fri, 25 Jul 2014 16:12:58 -0400 Received: from mail-pa0-f50.google.com ([209.85.220.50]:50350 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932508AbaGYUM5 (ORCPT ); Fri, 25 Jul 2014 16:12:57 -0400 Message-ID: <53D2BA45.8030502@amacapital.net> Date: Fri, 25 Jul 2014 13:12:53 -0700 From: Andy Lutomirski User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Sergey Oboguev , linux-kernel@vger.kernel.org Subject: Re: [PATCH RFC] sched: deferred set priority (dprio) References: In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/25/2014 12:45 PM, Sergey Oboguev wrote: > [This is a repost of the message from few day ago, with patch file > inline instead of being pointed by the URL.] > > This patch is intended to improve the support for fine-grain parallel > applications that may sometimes need to change the priority of their threads at > a very high rate, hundreds or even thousands of times per scheduling timeslice. What is the authlist stuff for? It looks complicated and it seems like it should be unnecessary. What's with the save/restore code? What's it saving and restoring? --Andy