From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 91E2DDDF15 for ; Fri, 3 Oct 2008 18:35:25 +1000 (EST) Date: Fri, 3 Oct 2008 04:35:22 -0400 From: Christoph Hellwig To: Benjamin Herrenschmidt Subject: Re: [RFC/PATCH] Block device for the ISS simulator Message-ID: <20081003083522.GB25683@infradead.org> References: <20081003000904.0A812DDEEE@ozlabs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20081003000904.0A812DDEEE@ozlabs.org> Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Oct 03, 2008 at 10:08:42AM +1000, Benjamin Herrenschmidt wrote: > The ISS simulator is a simple powerpc simulator used among other things > for hardware bringup. It implements a simple memory mapped block device > interface. > > This is a simple block driver that attaches to it. Note that the choice > of a major device number is fishy, though because it's a simulator and > not real hardware, it's not necessarily a big deal. Please don't put in more block devices for every bloody simulator in the world. Just emulated some simpler enough existing hardware. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753710AbYJCIfb (ORCPT ); Fri, 3 Oct 2008 04:35:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751477AbYJCIfY (ORCPT ); Fri, 3 Oct 2008 04:35:24 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:33612 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751253AbYJCIfX (ORCPT ); Fri, 3 Oct 2008 04:35:23 -0400 Date: Fri, 3 Oct 2008 04:35:22 -0400 From: Christoph Hellwig To: Benjamin Herrenschmidt Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Josh Boyer Subject: Re: [RFC/PATCH] Block device for the ISS simulator Message-ID: <20081003083522.GB25683@infradead.org> References: <20081003000904.0A812DDEEE@ozlabs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081003000904.0A812DDEEE@ozlabs.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 03, 2008 at 10:08:42AM +1000, Benjamin Herrenschmidt wrote: > The ISS simulator is a simple powerpc simulator used among other things > for hardware bringup. It implements a simple memory mapped block device > interface. > > This is a simple block driver that attaches to it. Note that the choice > of a major device number is fishy, though because it's a simulator and > not real hardware, it's not necessarily a big deal. Please don't put in more block devices for every bloody simulator in the world. Just emulated some simpler enough existing hardware.