From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.efficios.com (mail.efficios.com [167.114.142.138]) by mail.openembedded.org (Postfix) with ESMTP id 76C2E7E77D for ; Wed, 12 Jun 2019 11:29:50 +0000 (UTC) Received: from localhost (ip6-localhost [IPv6:::1]) by mail.efficios.com (Postfix) with ESMTP id 4101E246627; Wed, 12 Jun 2019 07:29:51 -0400 (EDT) Received: from mail.efficios.com ([IPv6:::1]) by localhost (mail02.efficios.com [IPv6:::1]) (amavisd-new, port 10032) with ESMTP id RfwgDi1956Ss; Wed, 12 Jun 2019 07:29:50 -0400 (EDT) Received: from localhost (ip6-localhost [IPv6:::1]) by mail.efficios.com (Postfix) with ESMTP id 964F0246620; Wed, 12 Jun 2019 07:29:50 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 964F0246620 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1560338990; bh=ZUhT/P24nrFEuZN85ojLdL+6sv+rshZlTU4TQlnhlHo=; h=Date:From:To:Message-ID:MIME-Version; b=s+4dFgCfV3UnNanhZX+WSRMm9AP7BXyToAlSJpujXpOW/TgeFfxiYac+H7BwJrgXO NN3HtPxTRaAXx2ASAKWN5gV7QLanIuWyGQRkWA3+YQY39DErqfBc7dQWae5m5908UJ QWw0LobTwMWvwgm4c02UXD4JqBinZ8oWeeX/3PwXbXQI0RDnD+0YrjxGiLxTUB/YC2 97bBGDzpaBkD62rIlyOuzI//n+LDA951hhFZ8Itii3MjzBM2zj8SgkMjDwjEakE4kQ wY3emw4VTxmLf5q3GaLkSt4pN4ucDWZih2+/VfSBCggTKP2EYpLivJCMIlCdAOGeq5 UP2gGgFzX3XXQ== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([IPv6:::1]) by localhost (mail02.efficios.com [IPv6:::1]) (amavisd-new, port 10026) with ESMTP id nHhw4mrqB1bX; Wed, 12 Jun 2019 07:29:50 -0400 (EDT) Received: from mail02.efficios.com (mail02.efficios.com [167.114.142.138]) by mail.efficios.com (Postfix) with ESMTP id 7D1CA24661A; Wed, 12 Jun 2019 07:29:50 -0400 (EDT) Date: Wed, 12 Jun 2019 07:29:50 -0400 (EDT) From: Mathieu Desnoyers To: zhe he Message-ID: <928433718.42889.1560338990358.JavaMail.zimbra@efficios.com> In-Reply-To: <0ea3a599-7adb-a001-dbdd-3843d0fa8b6e@windriver.com> References: <1560243834-266906-1-git-send-email-zhe.he@windriver.com> <20190612105114.GA23143@localhost> <1859381600.42862.1560337102909.JavaMail.zimbra@efficios.com> <0ea3a599-7adb-a001-dbdd-3843d0fa8b6e@windriver.com> MIME-Version: 1.0 X-Originating-IP: [167.114.142.138] X-Mailer: Zimbra 8.8.12_GA_3803 (ZimbraWebClient - FF67 (Linux)/8.8.12_GA_3794) Thread-Topic: lttng-modules: Backport patches to fix compilation failures since kernel v5.1 Thread-Index: +p6sXcRQWD07cSSIAbyL81pBWAYowg== Cc: openembedded-core , Jeremie Galarneau , lttng-dev , Adrian Bunk Subject: Re: [PATCH v2] lttng-modules: Backport patches to fix compilation failures since kernel v5.1 X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Jun 2019 11:29:50 -0000 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit ----- On Jun 12, 2019, at 1:10 PM, zhe he zhe.he@windriver.com wrote: > On 6/12/19 6:58 PM, Mathieu Desnoyers wrote: >> ----- On Jun 12, 2019, at 12:51 PM, Adrian Bunk bunk@stusta.de wrote: >> >>> On Tue, Jun 11, 2019 at 11:49:34PM +0100, Richard Purdie wrote: >>>> On Tue, 2019-06-11 at 17:03 +0800, zhe.he@windriver.com wrote: >>>>> From: He Zhe >>>>> >>>>> For the moment, >>>>> 0001~0004 are on master branch only. >>>>> 0005~0007 are on stable-2.11 branch, but v2.11 has not been released >>>>> yet. >>>>> >>>>> Signed-off-by: He Zhe >>>>> --- >>>>> v2: Correct a typo in SOB for 0001*.patch >>>> I just discussed this with lttng upstream maintainers a little. We're >>>> going to have continual tension between keeping lttng-modules up to >>>> date and new kernel versions. >>>> >>>> How about we also have a git version of this particular recipe which >>>> has a DEFAULT_PREFERENCE = "-1" but people can opt into with a >>>> PREFERRED_VERSION when using newer kernels? >>> Yocto stable series will ship a _git AUTOREV recipe? >>> >>>> That should keep people using very recent kernels happy, let us use a >>>> stable release version and avoid us adding/removing large patchsets on >>>> a semi regular basis? >>>> ... >>> The semi regular basis is only slightly moved, or how and when will >>> replacing the already EOL kernel 5.0 with 5.1 in Yocto be handled? >>> >>> IMHO it would be better to acknowledge that this is a case where staying >>> at stable release versions is sometimes not the best option, and upgrade >>> the normal recipe to -rc releases or even a git snapshot from a more >>> recent stable branch when necessary. >>> >>> E.g. right now it seems clear that the next Yocto release will have >>> to use lttng-modules >= 2.11 in any case for kernel 5.2, so upgrading >>> from 2.10.9 to 2.11.0-rc5 would be logical. >> Please don't base distributions on -rc tags. They are not meant for this. >> >> We always integrate support for newer kernel versions instrumentation back >> into our current stable release. So as soon as 5.2 final comes out, we will >> release a 2.10.x version including support for it in lttng-modules. > > I'm one of the people who need to use lttng-modules on rc kernel. > >> >> The current 2.10.10 has commits to support the currently known 5.2-rc >> instrumentation changes. > > Seems v2.10.10 does not contains the 7 needed patches in my v1 for kernel v5.0+. > $ git pull > Already up-to-date. > $ git tag|grep v2.10.10 > v2.10.10 > $ git tag --contains 92da05ce1f73488a57e7fd79e9c03113cefdb76f > $ git tag --contains d88e2fe5c3ea0d2c3055fba824be17223c418854 > $ git tag --contains d6cd2c9598a06f0ba1ba885bbe754e8836528310 > $ git tag --contains 2ca0c84f0b4a915c555a0b83102d94ac941619ca > $ git tag --contains da00122ccfae6a73ec859826a0be1cf0902cfd11 > v2.11.0-rc5 > $ git tag --contains da00122ccfae6a73ec859826a0be1cf0902cfd11 > v2.11.0-rc5 > $ git tag --contains df0e746a05a267384785d66c9fca947eb4a9e517 > v2.11.0-rc5 > $ git tag --contains 9f70b60c19abc6dc0811e427ed5da4aa74620aca > v2.11.0-rc5 You're aware that the commit ID changes when we cherry-pick a commit right ? Please double-check with the commit names... Thanks, Mathieu > > Thanks, > Zhe > >> >> Thanks, >> >> Mathieu >> >> >>>> Cheers, >>>> >>>> Richard >>> cu >>> Adrian >>> >>> -- >>> >>> "Is there not promise of rain?" Ling Tan asked suddenly out >>> of the darkness. There had been need of rain for many days. >>> "Only a promise," Lao Er said. > >> Pearl S. Buck - Dragon Seed -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com