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[173.255.233.168]) by mx.google.com with ESMTPS id q26si534314qvh.162.2019.03.19.23.32.29 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 19 Mar 2019 23:32:29 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of jcm@jonmasters.org designates 173.255.233.168 as permitted sender) client-ip=173.255.233.168; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of jcm@jonmasters.org designates 173.255.233.168 as permitted sender) smtp.mailfrom=jcm@jonmasters.org Received: from [74.203.127.5] (helo=tonnant.bos.jonmasters.org) by edison.jonmasters.org with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1h6Um4-0006jS-Od; Wed, 20 Mar 2019 06:32:29 +0000 To: Greg KH Cc: Sasha Levin , Amir Goldstein , Steve French , lsf-pc@lists.linux-foundation.org, linux-fsdevel , linux-mm , LKML , "Luis R. Rodriguez" References: <20190213073707.GA2875@kroah.com> <20190213091803.GA2308@kroah.com> <20190213192512.GH69686@sasha-vm> <20190213195232.GA10047@kroah.com> <79d10599-70d2-7d06-1cee-6e52d36233bf@jonmasters.org> <20190320050659.GA16580@kroah.com> <134e0fe1-e468-5243-90b5-ccb81d63e9a1@jonmasters.org> <20190320062824.GA11080@kroah.com> From: Jon Masters Message-ID: Date: Wed, 20 Mar 2019 02:32:27 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190320062824.GA11080@kroah.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 74.203.127.5 X-SA-Exim-Mail-From: jcm@jonmasters.org Subject: Re: [LSF/MM TOPIC] FS, MM, and stable trees X-SA-Exim-Version: 4.2.1 (built Sun, 08 Nov 2009 07:31:22 +0000) X-SA-Exim-Scanned: Yes (on edison.jonmasters.org) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 3/20/19 2:28 AM, Greg KH wrote: > On Wed, Mar 20, 2019 at 02:14:09AM -0400, Jon Masters wrote: >> On 3/20/19 1:06 AM, Greg KH wrote: >>> On Tue, Mar 19, 2019 at 11:46:09PM -0400, Jon Masters wrote: >>>> On 2/13/19 2:52 PM, Greg KH wrote: >>>>> On Wed, Feb 13, 2019 at 02:25:12PM -0500, Sasha Levin wrote: >>>> >>>>>> So really, it sounds like a low hanging fruit: we don't really need to >>>>>> write much more testing code code nor do we have to refactor existing >>>>>> test suites. We just need to make sure the right tests are running on >>>>>> stable kernels. I really want to clarify what each subsystem sees as >>>>>> "sufficient" (and have that documented somewhere). >>>>> >>>>> kernel.ci and 0-day and Linaro are starting to add the fs and mm tests >>>>> to their test suites to address these issues (I think 0-day already has >>>>> many of them). So this is happening, but not quite obvious. I know I >>>>> keep asking Linaro about this :( >>>> >>>> We're working on investments for LDCG[0] in 2019 that include kernel CI >>>> changes for server use cases. Please keep us informed of what you folks >>>> ultimately want to see, and I'll pass on to the steering committee too. >>>> >>>> Ultimately I've been pushing for a kernel 0-day project for Arm. That's >>>> probably going to require a lot of duplicated effort since the original >>>> 0-day project isn't open, but creating an open one could help everyone. >>> >>> Why are you trying to duplicate it on your own? That's what kernel.ci >>> should be doing, please join in and invest in that instead. It's an >>> open source project with its own governance and needs sponsors, why >>> waste time and money doing it all on your own? >> >> To clarify, I'm pushing for investment in kernel.ci to achieve that goal >> that it could provide the same 0-day capability for Arm and others. > > Great, that's what I was trying to suggest :) > >> It'll ultimately result in duplicated effort vs if 0-day were open. > > "Half" of 0-day is open, but it's that other half that is still > needed... ;) I'm hoping this might also help that to happen... Best, Jon.