From: Andi Kleen <ak@suse.de>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: davem@redhat.com, alan@lxorguk.ukuu.org.uk, tytso@mit.edu,
netdev@oss.sgi.com, linux-kernel@vger.kernel.org,
greearb@candelatech.com
Subject: Re: [RFC] enhanced version of net_random()
Date: Fri, 13 Aug 2004 21:28:57 +0200 [thread overview]
Message-ID: <20040813212857.7dd50320.ak@suse.de> (raw)
In-Reply-To: <20040813115140.0f09d889@dell_ss3.pdx.osdl.net>
On Fri, 13 Aug 2004 11:51:40 -0700
Stephen Hemminger <shemminger@osdl.org> wrote:
> Here is another alternative, using tansworthe generator. It uses percpu
> state. The one small semantic change is the net_srandom() only affects
> the current cpu's seed. The problem was that having it change all cpu's
> seed would mean adding locking
I would just update the other CPUs without locking. Taking
a random number from a partially updated state shouldn't be a big
issue.
-Andi
next prev parent reply other threads:[~2004-08-13 19:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-12 17:48 [RFC] enhanced version of net_random() Stephen Hemminger
2004-08-12 19:48 ` David S. Miller
2004-08-13 18:51 ` Stephen Hemminger
2004-08-13 19:28 ` Andi Kleen [this message]
2004-08-16 6:27 ` David S. Miller
2004-08-12 20:02 ` Ben Greear
2004-08-20 17:59 ` Jean-Luc Cooke
2004-08-20 18:47 ` David S. Miller
2004-08-20 18:59 ` Andreas Dilger
2004-08-20 19:22 ` Richard B. Johnson
2004-08-20 19:48 ` David S. Miller
2004-08-20 19:53 ` Jean-Luc Cooke
2004-08-22 15:04 ` Andi Kleen
2004-08-23 17:05 ` Stephen Hemminger
2004-08-23 18:09 ` Richard B. Johnson
2004-08-20 21:24 ` Lee Revell
2004-08-20 23:55 ` Alan Cox
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