From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH 00/34] Make kernel build deterministic Date: Tue, 5 Apr 2011 08:49:18 -0700 Message-ID: <20110405154918.GA31337@suse.de> References: <1302015561-21047-1-git-send-email-mmarek@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: anil_ravindranath@pmc-sierra.com, mchehab@redhat.com, benh@kernel.crashing.org, x86@kernel.org, mac@melware.de, aacraid@adaptec.com, linux-mtd@lists.infradead.org, allan.stephens@windriver.com, hpa@zytor.com, netdev@vger.kernel.org, t.sailer@alumni.ethz.ch, gwingerde@gmail.com, IvDoorn@gmail.com, elf@buici.com, cluster-devel@redhat.com, ccaulfie@redhat.com, mingo@redhat.com, dougthompson@xmission.com, linux-media@vger.kernel.org, arnaud.giersch@free.fr, linux-kbuild@vger.kernel.org, teigland@redhat.com, tony.olech@elandigitalsystems.com, apw@canonical.com, linux-hams@vger.kernel.org, tglx@linutronix.de, swhiteho@redhat.com, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org, jon.maloy@ericsson.com, linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, bluesmoke- To: Michal Marek Return-path: Content-Disposition: inline In-Reply-To: <1302015561-21047-1-git-send-email-mmarek@suse.cz> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org List-Id: netdev.vger.kernel.org On Tue, Apr 05, 2011 at 04:58:47PM +0200, Michal Marek wrote: > > Hi, > > this series makes it possible to build bit-identical kernel image and > modules from identical sources. Of course the build is already > deterministic in terms of behavior of the code, but the various > timestamps embedded in the object files make it hard to compare two > builds, for instance to verify that a makefile cleanup didn't > accidentally change something. A prime example is /proc/config.gz, which > has both a timestamp in the gzip header and a timestamp in the payload > data. With this series applied, a script like this will produce > identical kernels each time: Very nice stuff. Do you want to take the individual patches through one of your trees, or do you mind if the subsystem maintainers take them through theirs? thanks, greg k-h