From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Simo Sorce <simo@redhat.com>
Cc: Stephan Mueller <smueller@chronox.de>,
"Jason A. Donenfeld" <Jason@zx2c4.com>, Tso Ted <tytso@mit.edu>,
linux-crypto@vger.kernel.org, Willy Tarreau <w@1wt.eu>,
Nicolai Stange <nstange@suse.de>,
LKML <linux-kernel@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Alexander E. Patrakov" <patrakov@gmail.com>,
"Ahmed S. Darwish" <darwish.07@gmail.com>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Vito Caputo <vcaputo@pengaru.com>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Jan Kara <jack@suse.cz>, Ray Strode <rstrode@redhat.com>,
William Jon McCann <mccann@jhu.edu>,
zhangjs <zachary@baishancloud.com>,
Andy Lutomirski <luto@kernel.org>,
Florian Weimer <fweimer@redhat.com>,
Lennart Poettering <mzxreary@0pointer.de>,
Peter Matthias <matthias.peter@bsi.bund.de>,
Marcelo Henrique Cerri <marcelo.cerri@canonical.com>,
Neil Horman <nhorman@redhat.com>,
Randy Dunlap <rdunlap@infradead.org>,
Julia Lawall <julia.lawall@inria.fr>,
Dan Carpenter <dan.carpenter@oracle.com>,
Andy Lavr <andy.lavr@gmail.com>,
Eric Biggers <ebiggers@kernel.org>,
Petr Tesarik <ptesarik@suse.cz>,
John Haxby <john.haxby@oracle.com>,
Alexander Lobakin <alobakin@mailbox.org>,
Jirka Hladky <jhladky@redhat.com>
Subject: Re: [PATCH v43 01/15] Linux Random Number Generator
Date: Fri, 26 Nov 2021 16:42:38 +0100 [thread overview]
Message-ID: <YaEAbr/vk621GpMj@kroah.com> (raw)
In-Reply-To: <afdf9c4a4005f6aeaded9e976c48160933f3c447.camel@redhat.com>
On Mon, Nov 22, 2021 at 10:09:05AM -0500, Simo Sorce wrote:
> On Mon, 2021-11-22 at 07:55 +0100, Greg Kroah-Hartman wrote:
> > On Mon, Nov 22, 2021 at 07:42:02AM +0100, Stephan Mueller wrote:
> > > Am Montag, 22. November 2021, 07:02:14 CET schrieb Greg Kroah-Hartman:
> > >
> > > Hi Greg,
> > >
> > > > On Mon, Nov 22, 2021 at 06:34:43AM +0100, Stephan Mueller wrote:
> > > > > Am Sonntag, 21. November 2021, 23:42:33 CET schrieb Jason A. Donenfeld:
> > > > >
> > > > > Hi Jason,
> > > > >
> > > > > > Hi Stephan,
> > > > > >
> > > > > > You've posted it again, and yet I still believe this is not the
> > > > > > correct design or direction. I do not think the explicit goal of
> > > > > > extended configurability ("flexibility") or the explicit goal of being
> > > > > > FIPS compatible represent good directions, and I think this introduces
> > > > > > new problems rather than solving any existing ones.
> > > > >
> > > > > The members from the Linux distributions that are on copy on this may tell
> > > > > you a different story. They all developed their own downstream patches to
> > > > > somehow add the flexibility that is needed for them. So, we have a great
> > > > > deal of fragmentation at the resting-foundation of Linux cryptography.
> > > >
> > > > What distros specifically have patches in their kernels that do
> > > > different things to the random code path? Do you have pointers to those
> > > > patches anywhere? Why have the distros not submitted their changes
> > > > upstream?
> > >
> > > I will leave the representatives from the distros to chime in and point to
> > > these patches.
> >
> > Then why not work with the distros to get these changes merged into the
> > kernel tree? They know that keeping things out-of-the-tree costs them
> > time and money, so why are they keeping them there?
>
> I can speak for my distro.
> We have not proposed them because they are hacks, we know they are
> hacks, and we know they are not the long term solution.
Hacks that work today are the step toward a real solution.
So please, propose them and we can evolve from that.
> Yet we have no better way (in our products, today) so far to deal with
> these issues because what is needed is an effort like LRNG (does not
> have to be this specific implementation), because hacks will not cut it
> in the long term.
So you want to ship this separate driver instead? Great, but as I said
elsewhere, doing a wholesale replacement is almost never the right thing
to do.
Work off of those known-working-and-certified hacks. Submit them and
let's go from there please.
thanks,
greg k-h
next prev parent reply other threads:[~2021-11-26 15:48 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-21 16:39 [PATCH v43 00/15] /dev/random - a new approach Stephan Müller
2021-11-21 16:40 ` [PATCH v43 01/15] Linux Random Number Generator Stephan Müller
2021-11-21 17:23 ` Joe Perches
2021-11-21 22:42 ` Jason A. Donenfeld
2021-11-22 5:34 ` Stephan Mueller
2021-11-22 6:02 ` Greg Kroah-Hartman
2021-11-22 6:42 ` Stephan Mueller
2021-11-22 6:55 ` Greg Kroah-Hartman
2021-11-22 15:09 ` Simo Sorce
2021-11-22 21:06 ` Jeffrey Walton
2021-11-23 5:38 ` Stephan Mueller
2021-11-26 15:42 ` Greg Kroah-Hartman [this message]
2021-11-22 16:56 ` John Haxby
2021-11-26 15:40 ` Greg Kroah-Hartman
2021-11-22 14:59 ` Simo Sorce
2021-11-26 15:44 ` Greg Kroah-Hartman
2021-11-26 16:15 ` Stephan Mueller
2021-11-26 16:22 ` Greg Kroah-Hartman
2021-11-29 15:31 ` Stephan Mueller
2021-11-29 16:25 ` Greg Kroah-Hartman
2021-11-29 16:50 ` Stephan Mueller
2021-11-30 12:24 ` Jeffrey Walton
2021-11-30 14:04 ` Greg Kroah-Hartman
2021-11-30 14:31 ` Simo Sorce
2021-11-30 15:45 ` Greg Kroah-Hartman
2021-11-30 17:05 ` Willy Tarreau
2021-11-30 17:08 ` Simo Sorce
2021-11-30 18:15 ` Eric Biggers
2021-11-30 18:39 ` Jason A. Donenfeld
2021-11-30 19:41 ` Simo Sorce
2021-12-01 16:02 ` Jason A. Donenfeld
2021-12-01 17:19 ` Simo Sorce
2021-12-01 17:55 ` Boris Krasnovskiy
2021-12-01 18:05 ` Greg Kroah-Hartman
2021-12-01 18:24 ` Jason A. Donenfeld
2021-12-02 0:24 ` Jeffrey Walton
2021-12-02 7:12 ` Greg Kroah-Hartman
2021-12-02 15:50 ` John Haxby
2021-12-01 18:29 ` Jason A. Donenfeld
[not found] ` <BY5PR14MB3416DF44172D8F47D0B078A986689@BY5PR14MB3416.namprd14.prod.outlook.com>
2021-12-01 18:05 ` Greg Kroah-Hartman
2021-12-10 1:43 ` Marcelo Henrique Cerri
2021-12-10 6:46 ` Greg Kroah-Hartman
2021-12-10 9:30 ` Marcelo Henrique Cerri
2021-12-10 9:48 ` Greg Kroah-Hartman
2021-12-10 17:02 ` Simo Sorce
2021-12-11 7:06 ` Willy Tarreau
2021-12-11 8:09 ` Stephan Müller
2021-12-11 8:57 ` Willy Tarreau
2022-01-10 13:23 ` Marcelo Henrique Cerri
2022-01-10 14:11 ` Jason A. Donenfeld
2022-01-10 14:29 ` Theodore Ts'o
2022-01-10 14:38 ` Jason A. Donenfeld
2022-01-10 17:38 ` Theodore Ts'o
2022-01-10 18:29 ` Eric Biggers
2022-01-10 18:44 ` Jason A. Donenfeld
2022-01-10 19:41 ` Simo Sorce
2022-01-10 20:05 ` Eric Biggers
2022-01-10 19:49 ` Theodore Ts'o
2022-01-10 22:19 ` Jason A. Donenfeld
2022-01-11 1:44 ` Andy Lutomirski
2022-01-11 3:10 ` Theodore Ts'o
2022-01-11 4:04 ` Willy Tarreau
2022-01-11 4:13 ` Matthew Garrett
2022-01-11 10:01 ` Alexander E. Patrakov
[not found] ` <CAN_LGv0CTDi9k=t=TGHvaHZz5YVT+OUEBaRXjP=Xv=kousHY1w@mail.gmail.com>
2022-01-11 17:10 ` Matthew Garrett
2022-01-11 13:16 ` Jason A. Donenfeld
2022-01-11 16:08 ` Theodore Ts'o
2022-01-11 13:06 ` Jason A. Donenfeld
2022-01-11 15:10 ` Andy Lutomirski
2022-01-10 21:38 ` Jason A. Donenfeld
2022-01-10 15:07 ` Marcelo Henrique Cerri
2021-11-30 15:13 ` Jeffrey Walton
2021-11-30 15:39 ` Greg Kroah-Hartman
2021-11-30 7:32 ` Sandy Harris
2021-11-30 7:55 ` Greg Kroah-Hartman
2021-11-30 8:56 ` Stephan Mueller
2021-11-30 9:12 ` Greg Kroah-Hartman
2021-12-04 9:53 ` Sandy Harris
2021-11-22 10:33 ` kernel test robot
2021-11-22 11:47 ` Stephan Mueller
2021-11-25 5:25 ` [kbuild-all] " Chen, Rong A
2021-11-30 2:55 ` Sandy Harris
2021-11-30 6:06 ` Stephan Müller
2021-11-21 16:40 ` [PATCH v43 02/15] LRNG - IRQ entropy source Stephan Müller
2021-11-21 16:40 ` [PATCH v43 03/15] LRNG - sysctls and /proc interface Stephan Müller
2021-11-21 16:41 ` [PATCH v43 04/15] LRNG - allocate one DRNG instance per NUMA node Stephan Müller
2021-11-21 16:42 ` [PATCH v43 05/15] LRNG - CPU entropy source Stephan Müller
2021-11-22 7:09 ` kernel test robot
2021-11-22 11:48 ` Stephan Mueller
2021-11-21 16:42 ` [PATCH v43 06/15] LRNG - add switchable DRNG support Stephan Müller
2021-11-21 16:43 ` [PATCH v43 07/15] LRNG - add common generic hash support Stephan Müller
2021-11-21 16:43 ` [PATCH v43 08/15] crypto: DRBG - externalize DRBG functions for LRNG Stephan Müller
2021-11-21 16:44 ` [PATCH v43 09/15] LRNG - add SP800-90A DRBG extension Stephan Müller
2021-11-21 16:45 ` [PATCH v43 10/15] LRNG - add kernel crypto API PRNG extension Stephan Müller
2021-11-21 16:45 ` [PATCH v43 11/15] crypto: move Jitter RNG header include dir Stephan Müller
2021-11-21 16:46 ` [PATCH v43 12/15] LRNG - add Jitter RNG fast noise source Stephan Müller
2021-11-21 16:46 ` [PATCH v43 13/15] LRNG - add SP800-90B compliant health tests Stephan Müller
2021-11-21 16:47 ` [PATCH v43 14/15] LRNG - add interface for gathering of raw entropy Stephan Müller
2021-11-21 16:47 ` [PATCH v43 15/15] LRNG - add power-on and runtime self-tests Stephan Müller
2021-12-11 15:45 ` [PATCH v43 00/15] /dev/random - a new approach Thomas Schoebel-Theuer
2021-12-11 16:04 ` Willy Tarreau
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