Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932353AbWEHHIM (ORCPT ); Mon, 8 May 2006 03:08:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932356AbWEHHIM (ORCPT ); Mon, 8 May 2006 03:08:12 -0400 Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:48522 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S932353AbWEHHIL (ORCPT ); Mon, 8 May 2006 03:08:11 -0400 Date: Mon, 08 May 2006 00:07:54 -0700 (PDT) Message-Id: <20060508.000754.06312852.davem@davemloft.net> To: pavel@suse.cz Cc: mpm@selenic.com, tytso@mit.edu, mrmacman_g4@mac.com, akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 7/14] random: Remove SA_SAMPLE_RANDOM from network drivers From: "David S. Miller" In-Reply-To: <20060508062604.GD5765@ucw.cz> References: <20060506.170810.74552888.davem@davemloft.net> <20060507045920.GH15445@waste.org> <20060508062604.GD5765@ucw.cz> X-Mailer: Mew version 4.2.53 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 828 Lines: 22 From: Pavel Machek Date: Mon, 8 May 2006 06:26:05 +0000 > > Then I'll run my test on one of the various arches where HZ=~100 and > > we don't have a TSC. Like Sparc? > > > > /* XXX Maybe do something better at some point... -DaveM */ > > typedef unsigned long cycles_t; > > #define get_cycles() (0) > > Seems like sparc32 is broken :-(, and probably broken terminally... > there are very little randomness sources that can handle 10msec > sampling period :-(. > > Maybe we should disable /dev/random on sparc32? What do other platforms without a TSC do? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/