Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266232AbUF0Ean (ORCPT ); Sun, 27 Jun 2004 00:30:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266238AbUF0Ean (ORCPT ); Sun, 27 Jun 2004 00:30:43 -0400 Received: from mail1.kontent.de ([81.88.34.36]:31628 "EHLO Mail1.KONTENT.De") by vger.kernel.org with ESMTP id S266232AbUF0Eam (ORCPT ); Sun, 27 Jun 2004 00:30:42 -0400 From: Oliver Neukum To: "David S. Miller" Subject: Re: drivers/block/ub.c Date: Sun, 27 Jun 2004 06:31:40 +0200 User-Agent: KMail/1.6.2 Cc: zaitcev@redhat.com, greg@kroah.com, arjanv@redhat.com, jgarzik@redhat.com, tburke@redhat.com, linux-kernel@vger.kernel.org, stern@rowland.harvard.edu, mdharm-usb@one-eyed-alien.net, david-b@pacbell.net References: <20040626130645.55be13ce@lembas.zaitcev.lan> <200406270036.14716.oliver@neukum.org> <20040626162020.67d661c7.davem@redhat.com> In-Reply-To: <20040626162020.67d661c7.davem@redhat.com> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <200406270631.41102.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 682 Lines: 18 Am Sonntag, 27. Juni 2004 01:20 schrieb David S. Miller: > A ten-fold increase in code size just to access any member > of the structure. > > I think you have no idea how astronomically inefficient the code is > which gets generated when you add the packed attribute to a structure. Are you saying that gcc will generate other code with packed even if packed does not change the layout of the structure in question? Regards Oliver - 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/