Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754152AbaKOPUu (ORCPT ); Sat, 15 Nov 2014 10:20:50 -0500 Received: from mail-ie0-f177.google.com ([209.85.223.177]:62126 "EHLO mail-ie0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754049AbaKOPUt (ORCPT ); Sat, 15 Nov 2014 10:20:49 -0500 MIME-Version: 1.0 In-Reply-To: <54674EC5.1050506@linux.intel.com> References: <1416050840-24721-1-git-send-email-dbaryshkov@gmail.com> <54674EC5.1050506@linux.intel.com> Date: Sat, 15 Nov 2014 19:20:48 +0400 Message-ID: Subject: Re: [PATCH] genirq: Add IRQ 0 to domain debug file From: Dmitry Eremin-Solenikov To: Jiang Liu Cc: Benjamin Herrenschmidt , Thomas Gleixner , kernel list Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, 2014-11-15 16:01 GMT+03:00 Jiang Liu : > On 2014/11/15 19:27, Dmitry Eremin-Solenikov wrote: >> Currently irq_domain_mapping debugfs file dumps IRQ information starting >> from IRQ 1. IRQ 0 is missing from that file. Add it to have the complete >> picture of IRQ/domains mappings. > Hi Dmitry, > For most irqdomain interfaces, they treat irq0 as invalid > interrupt. But on x86, it's possible to use irq0 for timer. It causes > may confusion when enabling irqdomain for x86. I encountered with this issue when enabling IRQ domains support for one of ARM sub-architectures. -- With best wishes Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/