From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Privoznik Subject: Re: [PATCH] net-sysfs: Report link speed only when possible Date: Mon, 16 Jun 2014 10:30:27 +0200 Message-ID: <539EAB23.3020101@redhat.com> References: <539AC237.40402@redhat.com> <20140613.130350.1729507484821351177.davem@davemloft.net> <539E9D93.9040405@redhat.com> <20140616.011148.2001285440663327901.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: jiri@resnulli.us, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: David Miller Return-path: In-Reply-To: <20140616.011148.2001285440663327901.davem@davemloft.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 16.06.2014 10:11, David Miller wrote: > From: Michal Privoznik > Date: Mon, 16 Jun 2014 09:32:35 +0200 > >> On 13.06.2014 22:03, David Miller wrote: >>> From: Michal Privoznik >>> Date: Fri, 13 Jun 2014 11:19:51 +0200 >>> >>>> So if I were developing brand new application I could say: I'm >>>> dropping all this workaround code and have it clean and require say >>>> 3.16 kernel at least. >>> >>> Then your application wouldn't be usable on %99 of systems for a long >>> long time. >>> >> >> How come? The application is going to be usable for as long as >> library/kernel APIs won't change. > > Because %99 of users are using a distribution kernel which is definitely > going to be pre-3.16 for years. > That's why every distribution out there has a mechanism to install packages of a certain version, or those providing certain symbol, whatever. Or distributions can then backport some kernel patches or something. But, that's completely unrelated to the problem I'm fixing here. I don't think this bikeshedding is useful for anything, sorry. Michal