Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267352AbUIOUJN (ORCPT ); Wed, 15 Sep 2004 16:09:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267370AbUIOUJM (ORCPT ); Wed, 15 Sep 2004 16:09:12 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:23306 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S267352AbUIOUHy (ORCPT ); Wed, 15 Sep 2004 16:07:54 -0400 Date: Wed, 15 Sep 2004 21:07:49 +0100 From: Russell King To: Linus Torvalds Cc: Roland Dreier , =?iso-8859-1?Q?J=F6rn_Engel?= , Kernel Mailing List Subject: Re: Being more anal about iospace accesses.. Message-ID: <20040915210749.A31396@flint.arm.linux.org.uk> Mail-Followup-To: Linus Torvalds , Roland Dreier , =?iso-8859-1?Q?J=F6rn_Engel?= , Kernel Mailing List References: <20040915165450.GD6158@wohnheim.fh-wedel.de> <524qlzxxka.fsf@topspin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from torvalds@osdl.org on Wed, Sep 15, 2004 at 10:39:02AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 811 Lines: 18 On Wed, Sep 15, 2004 at 10:39:02AM -0700, Linus Torvalds wrote: > In other words, think of "void *" as a pointer to storage. Not "char" > (which is the C name for a signed byte), Common Programming Error #99: "char" is implementation whether it is signed or may be unsigned. Only a "char" type qualified by "signed" or "unsigned" can be relied upon to have the requested property. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - 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/