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[173.255.233.168]) by mx.google.com with ESMTPS id g16si343493qvn.151.2019.03.19.20.46.12 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 19 Mar 2019 20:46:12 -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 1h6SB8-0000AO-R1; Wed, 20 Mar 2019 03:46:11 +0000 To: Greg KH , Sasha Levin Cc: Amir Goldstein , Steve French , lsf-pc@lists.linux-foundation.org, linux-fsdevel , linux-mm , LKML , "Luis R. Rodriguez" References: <20190212170012.GF69686@sasha-vm> <20190213073707.GA2875@kroah.com> <20190213091803.GA2308@kroah.com> <20190213192512.GH69686@sasha-vm> <20190213195232.GA10047@kroah.com> From: Jon Masters Message-ID: <79d10599-70d2-7d06-1cee-6e52d36233bf@jonmasters.org> Date: Tue, 19 Mar 2019 23:46:09 -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: <20190213195232.GA10047@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 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. Jon. [0] Linaro DataCenter Group (formerly "LEG")