From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: acpi resource reservation Date: Wed, 24 Sep 2008 22:46:45 +0100 Message-ID: <20080924214645.GA2593@srcf.ucam.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:59572 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750875AbYIXVqr (ORCPT ); Wed, 24 Sep 2008 17:46:47 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: matthieu castet Cc: linux-acpi@vger.kernel.org On Wed, Sep 24, 2008 at 07:36:03PM +0000, matthieu castet wrote: > I believe by doing that acpi will avoid that other drivers try to use the same r > esource. And it will avoid the acpi_check_region hack that need to be added in e > ach driver instead of relying with the standard > request_region/request_mem_region mecanism. It was attempted, but you hit a huge number of cases where ACPI has reserved resources that are required by other drivers. We could whitelist them, but it doesn't seem to buy a great deal. -- Matthew Garrett | mjg59@srcf.ucam.org