From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC349C35671 for ; Mon, 24 Feb 2020 11:30:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A937320732 for ; Mon, 24 Feb 2020 11:30:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727339AbgBXLai (ORCPT ); Mon, 24 Feb 2020 06:30:38 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:49571 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727240AbgBXLai (ORCPT ); Mon, 24 Feb 2020 06:30:38 -0500 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1j6BwY-0000ka-L1; Mon, 24 Feb 2020 12:30:34 +0100 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id 0E605104083; Mon, 24 Feb 2020 12:30:34 +0100 (CET) From: Thomas Gleixner To: Marc Zyngier , Zenghui Yu Cc: linux-kernel@vger.kernel.org, wanghaibin.wang@huawei.com Subject: Re: [PATCH] genirq/irqdomain: Make sure all irq domain flags are distinct In-Reply-To: <7dec8c6eb07f634a4cccec3be5136e2f@kernel.org> References: <20200221020725.2038-1-yuzenghui@huawei.com> <7dec8c6eb07f634a4cccec3be5136e2f@kernel.org> Date: Mon, 24 Feb 2020 12:30:33 +0100 Message-ID: <87eeuk43za.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Marc Zyngier writes: > On 2020-02-21 02:07, Zenghui Yu wrote: >> Fixes: 6f1a4891a592 ("x86/apic/msi: Plug non-maskable MSI affinity >> race") > > To be fair, the real source of the bug is this: > > 6a6544e520abe ("genirq/irqdomain: Remove auto-recursive hierarchy > support") Yes, but up to the MSI commit it was not a problem :)