From: Greg KH <gregkh@suse•de>
To: Michal Marek <mmarek@suse•cz>
Cc: anil_ravindranath@pmc-sierra•com, mchehab@redhat•com,
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-devel@lists•sourceforge.net, James.Bottomley@suse•de,
tipc-discussion@lists•sourceforge.net, chuanxiao.dong@intel•com,
paulus@samba•org, dwmw2@infradead•org, davem@davemloft•net
Subject: Re: [PATCH 00/34] Make kernel build deterministic
Date: Tue, 5 Apr 2011 08:49:18 -0700 [thread overview]
Message-ID: <20110405154918.GA31337@suse.de> (raw)
In-Reply-To: <1302015561-21047-1-git-send-email-mmarek@suse.cz>
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
next prev parent reply other threads:[~2011-04-05 15:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-05 14:58 [PATCH 00/34] Make kernel build deterministic Michal Marek
2011-04-05 14:58 ` [PATCH 03/34] powerpc: Call gzip with -n Michal Marek
2011-04-05 14:58 ` [PATCH 05/34] powerpc: Use the deterministic mode of ar Michal Marek
2011-04-05 15:49 ` Greg KH [this message]
2011-04-05 18:16 ` [PATCH 00/34] Make kernel build deterministic James Bottomley
2011-04-05 18:29 ` Mauro Carvalho Chehab
2011-04-05 18:44 ` Greg KH
2011-04-05 19:24 ` Artem Bityutskiy
2011-04-06 8:57 ` Ingo Molnar
2011-04-06 9:07 ` Michal Marek
2011-04-06 9:25 ` Artem Bityutskiy
2011-04-06 9:23 ` Michal Marek
2011-04-06 9:01 ` Ingo Molnar
2011-05-05 15:22 ` [PATCH v2] powerpc: Use the deterministic mode of ar Michal Marek
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