Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764074Ab3DDRkK (ORCPT ); Thu, 4 Apr 2013 13:40:10 -0400 Received: from mail-ie0-f175.google.com ([209.85.223.175]:37543 "EHLO mail-ie0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763865Ab3DDRkI (ORCPT ); Thu, 4 Apr 2013 13:40:08 -0400 MIME-Version: 1.0 In-Reply-To: <515DB7F6.8010502@redhat.com> References: <1362158276-4901-1-git-send-email-nhorman@tuxdriver.com> <1365088091-10862-1-git-send-email-nhorman@tuxdriver.com> <515DB7F6.8010502@redhat.com> Date: Thu, 4 Apr 2013 10:40:07 -0700 X-Google-Sender-Auth: TXAf080ezpULb12-PvTauUiMr10 Message-ID: Subject: Re: [PATCH v4] irq: add quirk for broken interrupt remapping on 55XX chipsets From: Yinghai Lu To: Don Dutile Cc: Neil Horman , Linux Kernel Mailing List , Prarit Bhargava , Don Zickus , Bjorn Helgaas , Asit Mallick , David Woodhouse , "linux-pci@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 896 Lines: 26 On Thu, Apr 4, 2013 at 10:27 AM, Don Dutile wrote: >> You need to move the quirk to early_quirk to append nointremap to >> avoid extra rebooting. >> > The pci-dev's of all the (minimally, root, 5500-chipset) pci-dev's are > known/scanned/created by that time? in arch/x86/kernel/early-quirk.c and on top of https://git.kernel.org/cgit/linux/kernel/git/yinghai/linux-yinghai.git/commit/?h=for-x86-early-quirk-usb&id=de38757e964cfee20e6da1977572a2191d7f4aa0 You could add one entry in early_qrk[]. Some one already try to use that path to disable x2apic on some thinkpad. So it should work on nointrremap too. Thanks Yinghai -- 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/