From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm@xmission.com (Eric W. Biederman) Subject: Re: [PATCH] i386: irq: Kill IRQ compression Date: Fri, 16 Feb 2007 02:21:56 -0700 Message-ID: References: <200702160015.04453.lenb@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:41696 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423455AbXBPJXh (ORCPT ); Fri, 16 Feb 2007 04:23:37 -0500 In-Reply-To: (Eric W. Biederman's message of "Fri, 16 Feb 2007 00:44:07 -0700") Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Natalie Protasevich Cc: Len Brown , Andi Kleen , lkml - Kernel Mailing List , linux-acpi@vger.kernel.org ebiederm@xmission.com (Eric W. Biederman) writes: > By itself I don't think we are going to observe any real problems > with this patch. > > However if we are going to be serious about this we need to do a > few more things. > > - kill ioapic_renumber_irq. Looking closer ioapic_renumber_irq does not appear to be an irq compress thing. Rather it appears to be a work around for a weird acpi implementation where gsi 0 - 15 are not the ISA irqs. Natalie is my reading of the code there correct? If so keeping ioapic_renumber_irq makes sense. Although giving it a name that suggests it is working around weird implementation details would be good. Eric