From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Hancock Subject: Re: What determines which interrupts are shared under Linux? Date: Tue, 15 Aug 2006 08:29:43 -0600 Message-ID: <44E1DA57.4010309@shaw.ca> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:59566 "EHLO pd4mo3so.prod.shaw.ca") by vger.kernel.org with ESMTP id S1030308AbWHOOas (ORCPT ); Tue, 15 Aug 2006 10:30:48 -0400 In-reply-to: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Roger Heflin Cc: Linux-Kernel , linux-ide@vger.kernel.org Roger Heflin wrote: > Hello, > > On Linux when interrupts are defined similar to below, what defines say > ide2, ide3 to be on the same interrupt? The bios, linux, the driver > using > the interrupt? And can that be controlled/overrode at the > kernel/driver level? > Typically this is determined by the hardware routing of the interrupt lines on the motherboard, occasionally the BIOS. There isn't usually much that can be done about the sharing at the kernel level. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/