From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755498AbcJMPJT (ORCPT ); Thu, 13 Oct 2016 11:09:19 -0400 Received: from mail.efficios.com ([167.114.142.141]:40040 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753000AbcJMPJD (ORCPT ); Thu, 13 Oct 2016 11:09:03 -0400 Date: Thu, 13 Oct 2016 15:09:43 +0000 (UTC) From: Mathieu Desnoyers To: Greg Kroah-Hartman Cc: linux-kernel , lttng-dev , John Stultz Message-ID: <1651331541.54386.1476371383378.JavaMail.zimbra@efficios.com> In-Reply-To: <20161013150036.GA21105@kroah.com> References: <1476367015-21624-1-git-send-email-mathieu.desnoyers@efficios.com> <20161013150036.GA21105@kroah.com> Subject: Re: [PATCH lttng-modules] Fix: bump stable kernel version ranges for clock work-around MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [167.114.142.141] X-Mailer: Zimbra 8.7.0_GA_1659 (ZimbraWebClient - FF45 (Linux)/8.7.0_GA_1659) Thread-Topic: bump stable kernel version ranges for clock work-around Thread-Index: QIr/C4dbCvzau5Qm3keah0rc1k3OCQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ----- On Oct 13, 2016, at 5:00 PM, Greg Kroah-Hartman gregkh@linuxfoundation.org wrote: > On Thu, Oct 13, 2016 at 03:56:55PM +0200, Mathieu Desnoyers wrote: >> Linux commit 27727df240c7 ("Avoid taking lock in NMI path with >> CONFIG_DEBUG_TIMEKEEPING"), changed the logic to open-code >> the timekeeping_get_ns() function, but forgot to include >> the unit conversion from cycles to nanoseconds, breaking the >> function's output, which impacts LTTng. >> >> We expected Linux commit 58bfea9532 "timekeeping: Fix >> __ktime_get_fast_ns() regression" to make its way into stable >> kernels promptly, but it appears new stable kernel releases were >> done before the fix was cherry-picked from the master branch. > > Sorry, will go queue that up now... Thanks Greg! :) Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com