From: Matt Mackall <mpm@selenic.com>
To: Kent Borg <kentborg@borg.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
Venkatesh Pallipadi <venki@google.com>,
Jarod Wilson <jarod@redhat.com>,
linux-crypto@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
John Stultz <johnstul@us.ibm.com>,
Herbert Xu <herbert@gondor.hengli.com.au>,
"David S. Miller" <davem@davemloft.net>,
Suresh Siddha <suresh.b.siddha@intel.com>
Subject: Re: [PATCH 4/5] tsc: wire up entropy generation function
Date: Tue, 14 Jun 2011 13:00:32 -0500 [thread overview]
Message-ID: <1308074432.15617.136.camel@calx> (raw)
In-Reply-To: <4DF79EF1.3010004@borg.org>
On Tue, 2011-06-14 at 13:48 -0400, Kent Borg wrote:
> Matt Mackall wrote:
> > Kent Borg wrote:
> >>So network entropy is being eradicated, and nothing is being done to
> >>replace it.
> >
> >Nothing is being done is a more accurate summary of the situation.
>
>
> So the feature-removal-schedule.txt entry about IRQF_SAMPLE_RANDOM is
> obsolete?
>
> (Then the trend from three network drivers to ten network drivers should
> be accelerated and restore we should restore the deleted instances of
> IRQF_SAMPLE_RANDOM??)
>
>
> -kb, the Kent who sees network adapter interrupt timing as a usually
> good source of entropy.
It's a great source of potential entropy, a bad source of guaranteed
entropy. The current RNG tries to do accounting on the latter.
Accounting on the former is extremely suspect.
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2011-06-14 18:00 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-13 22:06 [PATCH 0/5] Feed entropy pool via high-resolution clocksources Jarod Wilson
2011-06-13 22:06 ` [PATCH 1/5] random: add new clocksource entropy interface Jarod Wilson
2011-06-13 22:06 ` [PATCH 2/5] clocksource: add support for entropy-generation function Jarod Wilson
2011-06-17 20:52 ` Thomas Gleixner
2011-06-17 21:19 ` Jarod Wilson
2011-06-13 22:06 ` [PATCH 3/5] hpet: wire up entropy generation function Jarod Wilson
2011-06-13 22:06 ` [PATCH 4/5] tsc: " Jarod Wilson
2011-06-13 22:27 ` Venkatesh Pallipadi
2011-06-13 22:35 ` Jarod Wilson
2011-06-13 22:36 ` H. Peter Anvin
2011-06-13 23:10 ` Matt Mackall
2011-06-14 18:11 ` H. Peter Anvin
2011-06-14 0:39 ` Kent Borg
2011-06-14 1:47 ` H. Peter Anvin
2011-06-14 12:39 ` Kent Borg
2011-06-14 14:33 ` Matt Mackall
2011-06-14 17:48 ` Kent Borg
2011-06-14 18:00 ` Matt Mackall [this message]
2011-06-14 20:04 ` Kent Borg
2011-06-14 21:04 ` Matt Mackall
2011-06-14 14:02 ` Jarod Wilson
2011-06-13 23:55 ` Kent Borg
2011-06-17 20:58 ` Thomas Gleixner
2011-06-13 22:06 ` [PATCH 5/5] misc: add clocksource-based entropy generation driver Jarod Wilson
2011-06-17 21:01 ` Thomas Gleixner
2011-06-13 22:38 ` [PATCH 0/5] Feed entropy pool via high-resolution clocksources john stultz
2011-06-14 14:25 ` Jarod Wilson
2011-06-13 23:15 ` Matt Mackall
2011-06-14 15:18 ` Jarod Wilson
2011-06-14 15:22 ` Jarod Wilson
2011-06-14 17:13 ` Matt Mackall
2011-06-14 20:17 ` Jarod Wilson
2011-06-14 21:45 ` Matt Mackall
2011-06-14 22:51 ` Jarod Wilson
2011-06-14 23:12 ` Matt Mackall
2011-06-15 14:49 ` Jarod Wilson
2011-06-15 20:06 ` Matt Mackall
2011-06-17 18:51 ` Jarod Wilson
2011-06-17 19:29 ` Neil Horman
2011-06-17 20:46 ` Matt Mackall
2011-06-17 19:48 ` hpas
2011-06-17 20:28 ` Matt Mackall
2011-06-18 22:40 ` H. Peter Anvin
2011-06-19 13:38 ` Neil Horman
2011-06-19 15:07 ` Herbert Xu
2011-06-20 0:01 ` H. Peter Anvin
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