From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BF95C41518 for ; Wed, 23 Jan 2019 12:08:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E710E21726 for ; Wed, 23 Jan 2019 12:08:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548245336; bh=Ly1XMaNbksUFhy/xEIi6cWvoRYN8ETJHoQtrrVgMeEo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=lr/uLuTB3Stvk1vGB+9kRdEX6us+ZMcwxgzfjelOqWrphnoMB0FSORNf9+co+MGSR pAlbbO8NRuYbUeYlVU3hM+62MJsQ8ojgUX/svn75U24n5oSqKsW2RU7I6spWeA90az cDW31uebWDZo5amR3qCqNDnoeLP//FIwhHvzFCx8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726108AbfAWMIz (ORCPT ); Wed, 23 Jan 2019 07:08:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:43426 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726029AbfAWMIz (ORCPT ); Wed, 23 Jan 2019 07:08:55 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F17E320870; Wed, 23 Jan 2019 12:08:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548245334; bh=Ly1XMaNbksUFhy/xEIi6cWvoRYN8ETJHoQtrrVgMeEo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=q7z9RGZzqZ6kSAKLeOXKaoxY9dpHGS1I2YbKAdsQd8/UN74n2Vm1o7PHBeBeJy4pL oSvXacA3cBIacRsUUSTHETMPY7SSgrgbuKvV9UL2DiWExBi2Z2RM5KDJO83Q/ZOR7j NHLZP5QLrRrxeCkperueiOzUlSaBUzP1aJnrN8/o= Date: Wed, 23 Jan 2019 13:08:52 +0100 From: Greg KH To: Ajay Kaher Cc: "kys@microsoft.com" , "haiyangz@microsoft.com" , "jloeser@microsoft.com" , "sthemmin@microsoft.com" , "sashal@kernel.org" , "mikelley@microsoft.com" , "decui@microsoft.com" , "stable@vger.kernel.org" , Srivatsa Bhat , Alexey Makhalov Subject: Re: [PATCH 0/3] PCI: hv: Use vPCI protocol version 1.2 for v4.9 Message-ID: <20190123120852.GA19317@kroah.com> References: <1548257912-18273-1-git-send-email-akaher@vmware.com> <20190123080255.GD7597@kroah.com> <3CDA15D0-3D01-42FA-84D6-83A3FB6E7A16@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3CDA15D0-3D01-42FA-84D6-83A3FB6E7A16@vmware.com> User-Agent: Mutt/1.11.2 (2019-01-07) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Jan 23, 2019 at 12:02:27PM +0000, Ajay Kaher wrote: > > > On 23/01/19, 1:33 PM, "Greg KH" wrote: > > On Wed, Jan 23, 2019 at 09:08:29PM +0530, Ajay Kaher wrote: > > For now, please consider these patches for review and > > suggest if these can be merged to mainline kernel v4.9. > > Why do you care about 4.9.y? Shouldn't all of your systems be moved on > to 4.14.y or better yet, 4.19.y, at this point in time? 4.9.y is > _really_ old and obsolete and on the very cusp of "never run as a > general-purpose system" functionality, if it's not already there. > > What is preventing you from upgrading the kernel on your systems to > something more modern and secure? > > Yes Greg, we are working to move to latest Linux Kernel versions. > But on other side, because of demands from our consumers we also need to support v4.9. Why would a customer "demand" that 4.9 still be used? What is keeping them from just moving to a newer kernel today? What is missing in 4.14 or 4.19 that only 4.9 has? thanks, greg k-h