From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: [patch 0/2] fastboot: allow skipping probing of known-unused ports in libata Date: Mon, 11 Aug 2008 15:35:42 -0700 Message-ID: <20080811153542.61095e5c@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from casper.infradead.org ([85.118.1.10]:35791 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752394AbYHKWfe (ORCPT ); Mon, 11 Aug 2008 18:35:34 -0400 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-ide@vger.kernel.org Hi, if you KNOW a certain ata port is not connected (for example in a netbook where there's just nothing there possible), we still probe the port currently and waste time. This time is a significant part of the total boot time. This patch series introduces a module parameter that can be used to tell the kernel which ports to skip, and the second patch adds a DMI list for known setups so that for known cases users don't have to add any parameters at all.