Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755860Ab0BPIfp (ORCPT ); Tue, 16 Feb 2010 03:35:45 -0500 Received: from mail-bw0-f213.google.com ([209.85.218.213]:46323 "EHLO mail-bw0-f213.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753890Ab0BPIfn (ORCPT ); Tue, 16 Feb 2010 03:35:43 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:cc:content-type; b=ELINDAK5st0LwopHzQjI4TRl85ZIfp07rdZ7ODQ/zk+SH39SqhRgtQuPRuU6VJ1Q1T a9J3hEmzoeSj5RSo7bg0MkZVQFNqdy4PihGLgVOVmVtk6AIwWaogtAn5XC9FwWoFfufz R/wUFFg+4yv1pfX3qGzV7sq+fKqDbCiXANOss= MIME-Version: 1.0 Date: Tue, 16 Feb 2010 10:35:40 +0200 Message-ID: Subject: Re: Reading /dev/mem by dd From: Nameer Yarkon To: Alan Cox Cc: Henrique de Moraes Holschuh , Andi Kleen , Robert Hancock , "Anton D. Kachalov" , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 634 Lines: 14 On Thu, Nov 12, 2009 at 8:13 PM, Alan Cox wrote: >> Is that the only valid use of /dev/mem, or even its main use? > > These days it is the primary use. Things like X11 were historically > probably the biggest user of it, and things like LRMI sometimes need that > sort of stuff. how does X11 get now direct access to the physical memory (instead of /dev/mem) ? -- 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/