From: Robert Love <rml@ufl.edu>
To: Pavel Machek <pavel@suse.cz>
Cc: David Wagner <daw@mozart.cs.berkeley.edu>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] Allow net devices to contribute to /dev/random
Date: 01 Oct 2001 17:33:43 -0400 [thread overview]
Message-ID: <1001972029.2277.41.camel@phantasy> (raw)
In-Reply-To: <20011001164354.A21715@bug.ucw.cz>
In-Reply-To: <1001461026.9352.156.camel@phantasy> <9or70g$i59$1@abraham.cs.berkeley.edu> <1001465531.10701.61.camel@phantasy> <20011001164354.A21715@bug.ucw.cz>
On Mon, 2001-10-01 at 10:43, Pavel Machek wrote:
> > Obviously the timer interrupt would be the worst idea ever. Its the
> > same value (HZ) on almost all versions of Linux (Alpha being on example
> > where it is not the same).
>
> Actually, not quite. On 2.4.9 system, console kept interrupts disabled
> for so long that timer interrupt was pretty good source of randomness.
That is pretty sad, to be honest :)
Besides, on some systems interrupts may rarely be disabled -- its too
hard to tell. We don't want another config option, do we? :)
Also, 2.4.10 merged Andrew Morton's console-locking patch, so one can
hope the console's latency is improved.
--
Robert M. Love
rml at ufl.edu
rml at tech9.net
next prev parent reply other threads:[~2001-10-01 21:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-25 23:36 [PATCH][RFC] Allow net devices to contribute to /dev/random Robert Love
2001-09-26 0:20 ` David Wagner
2001-09-26 0:52 ` Robert Love
2001-09-26 1:36 ` David Wagner
2001-09-26 22:55 ` Gordon Oliver
2001-09-26 23:06 ` Andreas Steinmetz
2001-09-26 15:49 ` dean gaudet
2001-09-26 17:00 ` Oliver Xymoron
2001-10-01 14:43 ` Pavel Machek
2001-10-01 21:33 ` Robert Love [this message]
2001-10-01 9:52 ` Florian Weimer
2001-10-01 16:59 ` /dev/random entropy calculations broken? Andreas Dilger
2001-10-01 21:55 ` Alex Bligh - linux-kernel
2001-10-01 22:43 ` antirez
2001-10-02 7:51 ` Andreas Dilger
2001-10-02 8:10 ` Andreas Dilger
2001-10-02 15:37 ` Oliver Xymoron
2001-10-02 21:02 ` Andreas Dilger
2001-10-02 21:29 ` Oliver Xymoron
2001-10-02 22:28 ` Andreas Dilger
2001-10-19 22:59 ` [PATCH] " Andreas Dilger
2001-10-21 5:05 ` Robert Love
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