Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262634AbUJ1A0U (ORCPT ); Wed, 27 Oct 2004 20:26:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262699AbUJ1AYI (ORCPT ); Wed, 27 Oct 2004 20:24:08 -0400 Received: from pimout3-ext.prodigy.net ([207.115.63.102]:8187 "EHLO pimout3-ext.prodigy.net") by vger.kernel.org with ESMTP id S262654AbUJ1ASu (ORCPT ); Wed, 27 Oct 2004 20:18:50 -0400 Date: Wed, 27 Oct 2004 17:18:43 -0700 From: Chris Wedgwood To: haskellboy@ig.com.br Cc: linux-kernel@vger.kernel.org Subject: Re: [question]- DMA Message-ID: <20041028001843.GA2115@taniwha.stupidest.org> References: <20041027_233143_086641.haskellboy@ig.com.br> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041027_233143_086641.haskellboy@ig.com.br> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 503 Lines: 15 On Wed, Oct 27, 2004 at 08:31:43PM -0300, haskellboy@ig.com.br wrote: > can DMA copy from RAM to hard disk? yes > if yes, the kernel uses DMA to copy from disk to disk? no, the disk hardware that (almost all) linux hardware uses doesn't allow this easily - 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/