From mboxrd@z Thu Jan 1 00:00:00 1970 From: "R. J. Wysocki" Subject: Re: [PATCH] PM / Hibernate: Restore old swap signature to avoid user space breakage Date: Sat, 11 Dec 2010 21:49:27 +0100 Message-ID: <201012112149.27399.rwys@fuw.edu.pl> References: <201012052324.30231.rjw@sisk.pl> <201012112136.23543.rjw@sisk.pl> <1292100440.1630.11.camel@shrek.rexursive.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1292100440.1630.11.camel@shrek.rexursive.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Bojan Smojver Cc: Linux-pm mailing list , Karel Zak , LKML , "Dr. David Alan Gilbert" List-Id: linux-pm@vger.kernel.org On Saturday, December 11, 2010, Bojan Smojver wrote: > On Sat, 2010-12-11 at 21:36 +0100, Rafael J. Wysocki wrote: > > > Because that wouldn't fix the user space that _already_ is out there. > > Of course. I'm sure there are other things in various new kernel that > older user space isn't aware of. It just depends on how far back you > wish to go. > > > That doesn't matter. The rule is we don't break user space, even if it does > > unreasonable things. > > But it won't really be broken. I actually tested compression patches on > F-14. All you need to do is pass resume argument to grub for 2.6.37 > kernel you installed by hand (and at present, you can only do this by > hand). If Fedora folks decide to upgrade the kernel to 2.6.37 for F-14 > (they already have for F-15, so they must be aware of the issue), I'm > sure they'll fix util-linux-ng, dracut and whatever else is required for > this to work. Then we can change the signature, no earlier. > PS. Koji build of the kernel for F-15, based in 2.6.37-rc5: > > http://koji.fedoraproject.org/koji/buildinfo?buildID=208625 Thanks, Rafael