Received: by 2002:ac0:a591:0:0:0:0:0 with SMTP id m17-v6csp1836958imm; Fri, 6 Jul 2018 07:23:27 -0700 (PDT) X-Google-Smtp-Source: AAOMgpcuIqnyYGTWv5nNZ4iBbdMbXcF8bKg7cAkleFinZiA7UD9FIgzyTDigOvOKO58jA5LHWlxq X-Received: by 2002:a62:6659:: with SMTP id a86-v6mr10788894pfc.31.1530887007018; Fri, 06 Jul 2018 07:23:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530887006; cv=none; d=google.com; s=arc-20160816; b=hEHLDOHHB2wuAkLt2+kt1pbdWn74Fa1zHrxCvII8x/Ff6LqAmaZovlLp1Z8BNhyLNq UZ+4xQvs8IRV388OpmyUkqXS7EJXG6HAuKGPSA1/olLjXrZyB78tmhSUkK3cUamodQVU q8Im88rg+BQzo7C3DSsHRcTRLbohyrBBI9Xo8wnfZb61FLgLbJaI6bWzyZRzmfj16mX4 fT8d7XHlcCJzbaj8RngLIANt4D8768xDbuA5Wc6Ppuj0lHxFhyQPdd5gE+R8lY9ScXS9 PYCsUcIY/ZiuhSAzKYoC0FCByWnG7N5qm5vEPnAIF6AUhD08xEV07vCfbnWwz3ekPtgS EWLw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:arc-authentication-results; bh=LCCXkRG/DTV2szwmF+Pzzygq7I1OuEGzNHERIQn4Sr0=; b=0Xjd3jtIhou2xHEX0Q721rQARZmAs0BeLByTuqAbZs4DLIFpcUFndzL5bXuhkNGIew X8s5FcIuVFsUvV/jtYJ/MjJ2By7KOEeCEXs5qY8S83eiCK/yc2I/s5ennNPyLGJuIZjt n9VHAr5r8Q4X6dB3e1qIB4A3Mz5bv1UcR4vH02rbcTVIooRfuR4a62eKPBEQdfE4eAQx AJPaS30ZI1FKfFt63Nq345vDJPGdH1/+/bGHPGWq78kkj75Eq3u5P/WkowzPRm5O8BDs kMg6KpoQSZYSAG2t5VATE9eL9a8fmWRZM21DHnpoMA6TMNf1cWzDx6Ec4wRNKGVxpb7A zFJw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=monom.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i184-v6si7874633pge.405.2018.07.06.07.23.01; Fri, 06 Jul 2018 07:23:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=monom.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753915AbeGFOWV (ORCPT + 99 others); Fri, 6 Jul 2018 10:22:21 -0400 Received: from mail.monom.org ([188.138.9.77]:38728 "EHLO mail.monom.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753450AbeGFOWU (ORCPT ); Fri, 6 Jul 2018 10:22:20 -0400 Received: from mail.monom.org (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id 3C2305008FD; Fri, 6 Jul 2018 16:22:18 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail.monom.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=3.4.1 Received: from helium.monom.org (ppp-93-104-177-179.dynamic.mnet-online.de [93.104.177.179]) by mail.monom.org (Postfix) with ESMTPSA id 64883500844; Fri, 6 Jul 2018 16:22:17 +0200 (CEST) Subject: Re: hrtimer become inaccurate with RT patch To: Sebastian Andrzej Siewior , gengdongjiu Cc: Thomas Gleixner , linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, anna-maria@linutronix.de, john.stultz@linaro.org, Hangaohuai , "zhangjianwei (D)" , yangchuanlong@huawei.com, "Zhangbin (EulerOS)" , liupeifeng3@huawei.com References: <12e6da4e-7681-771f-38d3-3c1abf943c24@huawei.com> <43d78927-3955-acde-a2d1-d2b82932a7a6@huawei.com> <20180702101420.rskzwqrdyws5fl6m@breakpoint.cc> From: Daniel Wagner Message-ID: Date: Fri, 6 Jul 2018 16:22:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <20180702101420.rskzwqrdyws5fl6m@breakpoint.cc> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/02/2018 12:14 PM, Sebastian Andrzej Siewior wrote: > On 2018-07-02 17:34:34 [+0800], gengdongjiu wrote: >> The Linux kernel version is v4.1.46, and the preempt_rt patch is >> patch-4.1.46-rt52.patch. > > the 4.1 series is no longer supported (neither RT wise nor non-RT, > https://www.kernel.org/category/releases.html). I suggest to move away. > If you notice this problem now it is hardly a long running project. Who can edit this page: https://wiki.linuxfoundation.org/realtime/preempt_rt_versions ? It still lists 4.1-rt as supported.