From owner-freebsd-hackers Wed May 5 2:41:48 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from rah.star-gate.com (rah.star-gate.com [209.249.129.138]) by hub.freebsd.org (Postfix) with ESMTP id D68B115137 for ; Wed, 5 May 1999 02:41:41 -0700 (PDT) (envelope-from hasty@rah.star-gate.com) Received: from rah.star-gate.com (localhost.star-gate.com [127.0.0.1]) by rah.star-gate.com (8.9.3/8.8.8) with ESMTP id CAA06889; Wed, 5 May 1999 02:40:45 -0700 (PDT) (envelope-from hasty@rah.star-gate.com) Message-Id: <199905050940.CAA06889@rah.star-gate.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Doug Rabson Cc: CyberPsychotic , freebsd-hackers@FreeBSD.ORG, tech@openbsd.org Subject: Re: io ports reading/writing In-reply-to: Your message of "Wed, 05 May 1999 10:18:23 BST." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 05 May 1999 02:40:45 -0700 From: Amancio Hasty Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Very early on for 386bsd I implemented ioperms in the kernel mostly for X servers however later on the XFree86 team decided that was not a good approach due to the crazy way that vga controllers were being design with sparse memory mapped io ports. Not sure how linux handles the later case and I doubt that it does. Cheers -- Amancio Hasty hasty@star-gate.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message