From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:55040 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1037409AbdDUJla (ORCPT ); Fri, 21 Apr 2017 05:41:30 -0400 Date: Fri, 21 Apr 2017 11:41:18 +0200 From: Greg KH To: Christian Borntraeger Cc: stable@vger.kernel.org, Martin Schwidefsky Subject: Re: [PATCH 0/2] s390/mm: stable backports for fix CMMA vs KSM vs others Message-ID: <20170421094118.GB309@kroah.com> References: <1492765613-204694-1-git-send-email-borntraeger@de.ibm.com> <20170421091446.GA8929@kroah.com> <2905f7e2-c634-b369-a36d-1c926f88d95c@de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2905f7e2-c634-b369-a36d-1c926f88d95c@de.ibm.com> Sender: stable-owner@vger.kernel.org List-ID: On Fri, Apr 21, 2017 at 11:20:43AM +0200, Christian Borntraeger wrote: > On 04/21/2017 11:14 AM, Greg KH wrote: > > On Fri, Apr 21, 2017 at 11:06:51AM +0200, Christian Borntraeger wrote: > >> Greg, stable team, > >> > >> here are the backports for 4.4,4.9 and 4.10 of > >> upstream commit id: a8f60d1fadf7b8b54449fcc9d6b15248917478ba > >> > >> The patch for 4.9 and 4.10 is identical. > >> The patch for 4.4 also fits for 4.1 > > > > Does this need to go farther back than 4.1? Specifically 3.18 and/or > > 3.16? > > The original problem (unused bit not deleted on set_pte_at for present > ptes) was introduced with 3.15 with > > commit b31288fa83b2bcc8834e1e208e9526b8bd5ce361 > s390/kvm: support collaborative memory management > > Looks like the 4.4 patch also fits on top of 3.16 it compiles and boots > but I have not done any bigger testing. Ok, thanks for the info, and the patches, queued up now. greg k-h