From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932108AbZKZDNB (ORCPT ); Wed, 25 Nov 2009 22:13:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752498AbZKZDNA (ORCPT ); Wed, 25 Nov 2009 22:13:00 -0500 Received: from srv5.dvmed.net ([207.36.208.214]:39800 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751350AbZKZDNA (ORCPT ); Wed, 25 Nov 2009 22:13:00 -0500 Message-ID: <4B0DF23A.2080207@garzik.org> Date: Wed, 25 Nov 2009 22:12:58 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091014 Fedora/3.0-2.8.b4.fc11 Thunderbird/3.0b4 MIME-Version: 1.0 To: Ian Molton CC: rusty@rustcorp.com.au, linux-kernel@vger.kernel.org, mpm@selenic.com Subject: Re: [PATCH 1/2] hw_random: core updates to allow more efficient drivers References: <1259177252.2858.17.camel@calx> <1259195127-20086-1-git-send-email-ian.molton@collabora.co.uk> <1259195127-20086-2-git-send-email-ian.molton@collabora.co.uk> In-Reply-To: <1259195127-20086-2-git-send-email-ian.molton@collabora.co.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.2.5 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/25/2009 07:25 PM, Ian Molton wrote: > This patch implements a new method by which hw_random hardware drivers > can pass data to the core more efficiently, using a shared buffer. > > The old methods have been retained as a compatability layer until all the > drivers have been updated. > > Signed-off-by: Ian Molton > --- > drivers/char/hw_random/core.c | 120 ++++++++++++++++++++++++++--------------- > include/linux/hw_random.h | 9 ++- > 2 files changed, 82 insertions(+), 47 deletions(-) Speaking as the original hw_random author... very nice! We have needed a more efficient API for years. Jeff