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From: Dan Gora <dg@adax.com>
To: "Mattias Rönnblom" <mattias.ronnblom@ericsson.com>
Cc: Luca Boccassi <bluca@debian.org>, "dev@dpdk.org" <dev@dpdk.org>,
	 David Marchand <david.marchand@redhat.com>,
	Jerin Jacob <jerinjacobk@gmail.com>
Subject: Re: [dpdk-dev] [PATCH 2/2] eal: resolve getentropy at run time for random seed
Date: Mon, 4 May 2020 11:19:50 -0300	[thread overview]
Message-ID: <CAGyogRaks1O_5Z9E4q7GeeS_NJFaFT1QVJvv8pGaOWJW6AJO6A@mail.gmail.com> (raw)
In-Reply-To: <CAGyogRbFEfbp1OU9fWwauMdup_h4_fD286T9_L7AgKm1O8T_-A@mail.gmail.com>

On Mon, May 4, 2020 at 11:13 AM Dan Gora <dg@adax.com> wrote:
>
> On Mon, May 4, 2020 at 5:04 AM Mattias Rönnblom
> <mattias.ronnblom@ericsson.com> wrote:
>
> > >> so what you are effectively asking is to
> > >> double the size of the support matrix, and for the project to ensure
> > >> that every single dependency can always be built against a new version
> > >> and used against an older one.
> > > No, this is not correct.  The size of the support/test matrix is
> > > exactly the same, what changes is the number of build systems that
> > > have to be supported.
> > >
> > > Before my patches you had to test targets with:
> > >
> > > no rdseed and no getentropy
> > > rdseed and no getentropy
> > > no rdseed and getentropy
> > > rdseed and getentropy.
> >
> >
> > rdseed will go away eventually, when all reasonable systems have
> > getentropy(). That might well take a couple of years.

So then why not just use only /dev/urandom for now, then change DPDK
to use getentropy() when "all reasonable systems have getentropy()"?

*problem solved*

thanks
dan

  reply	other threads:[~2020-05-04 14:20 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21 19:54 [dpdk-dev] [PATCH 0/2] eal: choose initial PRNG seed source at runtime Dan Gora
2020-04-21 19:54 ` [dpdk-dev] [PATCH 1/2] eal: check for rdseed at run time for random seed Dan Gora
2020-04-22  8:22   ` Mattias Rönnblom
2020-04-21 19:54 ` [dpdk-dev] [PATCH 2/2] eal: resolve getentropy " Dan Gora
2020-04-21 21:03   ` Stephen Hemminger
2020-04-21 21:08     ` Dan Gora
2020-04-22  8:28   ` Mattias Rönnblom
2020-04-22 17:44     ` Dan Gora
2020-04-22 20:14       ` Mattias Rönnblom
2020-04-22 20:35         ` Dan Gora
2020-04-23 10:04           ` Luca Boccassi
2020-04-23 17:38             ` Dan Gora
2020-04-27 12:44               ` Luca Boccassi
2020-04-27 16:57                 ` Dan Gora
2020-04-30  8:41                   ` Luca Boccassi
2020-04-30 20:43                     ` Dan Gora
2020-05-01 10:33                       ` Luca Boccassi
2020-05-01 21:05                         ` Dan Gora
2020-05-04  8:04                           ` Mattias Rönnblom
2020-05-04 14:13                             ` Dan Gora
2020-05-04 14:19                               ` Dan Gora [this message]
2020-06-02  5:10                                 ` Dan Gora
2020-06-09 15:37                                   ` Dan Gora
2020-06-10  8:15                                     ` Thomas Monjalon
2020-06-10  8:33                                       ` Luca Boccassi
2023-06-12 15:55                                         ` Stephen Hemminger
2020-06-10  8:07                               ` Thomas Monjalon
2020-04-23 12:36           ` Mattias Rönnblom
2020-04-23 17:27             ` Dan Gora
2020-04-21 20:41 ` [dpdk-dev] [PATCH v2 0/2] eal: choose initial PRNG seed source at runtime Dan Gora
2020-04-21 20:41   ` [dpdk-dev] [PATCH v2 1/2] eal: check for rdseed at run time for random seed Dan Gora
2020-04-21 20:41   ` [dpdk-dev] [PATCH v2 2/2] eal: resolve getentropy " Dan Gora
2020-04-22 18:15 ` [dpdk-dev] [PATCH v3 0/2] eal: choose initial PRNG seed source at runtime Dan Gora
2020-04-22 18:15   ` [dpdk-dev] [PATCH v3 1/2] eal: check for rdseed at run time for random seed Dan Gora
2020-04-22 18:15   ` [dpdk-dev] [PATCH v3 2/2] eal: resolve getentropy " Dan Gora
2020-04-22 23:42 ` [dpdk-dev] [PATCH v4 0/2] eal: choose initial PRNG seed source at runtime Dan Gora
2020-04-22 23:42   ` [dpdk-dev] [PATCH v4 1/2] eal: check for rdseed at run time for random seed Dan Gora
2020-04-22 23:42   ` [dpdk-dev] [PATCH v4 2/2] eal: emulate glibc getentropy for initial " Dan Gora
2020-04-23  2:39     ` Stephen Hemminger
2020-04-23 17:42       ` Dan Gora
2020-06-29  9:30     ` Mattias Rönnblom
2020-06-29 17:57       ` Dan Gora
2020-06-29 20:57         ` Mattias Rönnblom
2020-06-29  9:32   ` [dpdk-dev] [PATCH v4 0/2] eal: choose initial PRNG seed source at runtime Mattias Rönnblom
2020-06-29 18:01     ` Dan Gora
2020-06-29 18:04       ` Dan Gora
2020-06-29 21:05       ` Mattias Rönnblom
2020-06-29 21:14         ` Dan Gora

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