Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757198AbdIHVpA (ORCPT ); Fri, 8 Sep 2017 17:45:00 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:36208 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753011AbdIHVo7 (ORCPT ); Fri, 8 Sep 2017 17:44:59 -0400 Date: Fri, 08 Sep 2017 14:44:58 -0700 (PDT) Message-Id: <20170908.144458.596885875256619458.davem@davemloft.net> To: eduval@amazon.com Cc: dwmw2@infradead.org, vallish@amazon.com, shuah@kernel.org, richardcochran@gmail.com, xiyou.wangcong@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, anchalag@amazon.com, dwmw@amazon.com Subject: Re: [PATCH v2 0/2] enable hires timer to timeout datagram socket From: David Miller In-Reply-To: <20170908185521.GA12340@u40b0340c692b58f6553c.ant.amazon.com> References: <1504891402.32080.5.camel@infradead.org> <20170908.102645.1086537961399780085.davem@davemloft.net> <20170908185521.GA12340@u40b0340c692b58f6553c.ant.amazon.com> X-Mailer: Mew version 6.7 on Emacs 25.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 08 Sep 2017 14:44:58 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 453 Lines: 14 From: Eduardo Valentin Date: Fri, 8 Sep 2017 11:55:21 -0700 > I agree. I would prefer to understand here what is the technical > reason not to accept these patches other than "use other system > calls". I explained this, let me reiterate: ==================== And most importantly, letting the kernel have flexibility in this area is absolutely essential for various forms of optimizations and power savings. ====================