From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: To: Mark Brown , Jiri Kosina References: <57C78BE9.30009@linaro.org> <20160905111105.GW3950@sirena.org.uk> <20160905140327.a6wgdl3lr42nlww4@thunk.org> <9895277.d39OTXtlqC@avalon> <20160906133429.5ktkvafprbtxr5sd@localhost> <20160906162502.GA15434@roeck-us.net> <20160907083312.GO28922@quack2.suse.cz> <20160907184403.GA3950@sirena.org.uk> From: Frank Rowand Message-ID: <57D19A8E.70206@gmail.com> Date: Thu, 8 Sep 2016 10:06:22 -0700 MIME-Version: 1.0 In-Reply-To: <20160907184403.GA3950@sirena.org.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: James Bottomley , "ltsi-dev@lists.linuxfoundation.org" , ksummit-discuss@lists.linuxfoundation.org, "gregkh@linuxfoundation.org" Subject: Re: [Ksummit-discuss] [Stable kernel] feature backporting collaboration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 09/07/16 11:44, Mark Brown wrote: > On Wed, Sep 07, 2016 at 10:41:08AM +0200, Jiri Kosina wrote: > >> consumer space in this area. Consumer space folks seem to be in a >> situation that server space people have been in 2.0 / 2.2 era, where we >> had exactly the same problem with server hardware (i.e lack of timely >> focus on upstream in the process). > > As people keep saying that's not really entirely it - the timescales on > consumer hardware are *much* tighter than those on server hardware which > does make a big difference to what you can do here. You might be surprised about server hardware. I had a project where I had to add kernel support (in a proprietary unix) to a release that shipped before there was any hardware to test on. >> Also, it feels like consumer HW is more in a "fire and forget" mode of >> operation, while server hardware usually sticks around for a rather long >> time. > > This is part of it. There *is* a long tail lifespan for a lot of > consumer hardware but it is in the lower tier vendors and products who > are for the most part reusing earlier work and we do see a lot of IP > reuse though.