Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 5 Mar 2002 01:24:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 5 Mar 2002 01:24:34 -0500 Received: from chamber.cco.caltech.edu ([131.215.48.55]:26075 "EHLO chamber.cco.caltech.edu") by vger.kernel.org with ESMTP id ; Tue, 5 Mar 2002 01:24:32 -0500 From: bryanr@bryanr.org Message-ID: <3C8464AB.3020404@bryanr.org> Date: Mon, 04 Mar 2002 22:24:43 -0800 User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020204 X-Accept-Language: en-us MIME-Version: 1.0 To: aryan aru CC: linux-kernel@vger.kernel.org Subject: Re: netlink vs ioctl In-Reply-To: <20020305002843.30834.qmail@web21206.mail.yahoo.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org aryan aru wrote: > When used ioremap_nocache to map from user space to > kernel space does it do cache flush ? I'd guess ioremap_nocache marks the area as uncacheable, so that all memory accesses bypass the cache and go directly to physical memory. best way to find out is to check the code ;) -Bryan - 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/