Received: by 2002:a05:6a10:2785:0:0:0:0 with SMTP id ia5csp1556160pxb; Sun, 10 Jan 2021 02:27:43 -0800 (PST) X-Google-Smtp-Source: ABdhPJyitpx5byTd0qXJWH+ldAIxHBsDnLnyJfFluKvbR3HUUD1ADk+ulfrPStr7JzkCM3kOP7u9 X-Received: by 2002:a17:906:3499:: with SMTP id g25mr7770209ejb.18.1610274462775; Sun, 10 Jan 2021 02:27:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1610274462; cv=none; d=google.com; s=arc-20160816; b=Ws4jDVPOW8EwfjlweqaNSqz/7Q97BhrTiRm1z7FU6XKthYtjq+D/pbllM1YR0N4ceu pjqvQwfL0FCIB1qqtxRWRtydRQpCBrFqDCP7hs+WaIAmObpQAAf2r2QaIAHAHb2q2WHV ZBrfJvTQinVPKD+7oO1Ix+ZLZ6TKhOvifOo5s9RqUY6AoxjMxdcjxyos06IrsVNGyLob ScEEvT8w3Xmk0+xWPoisof31WCok2b4GIetynsV8mpi9s/Rz+J4fEYfQYbXJUUxcaOKk 3vl81nqPC2ZWotU1YNf8eud1t5aQh3K0OCi5nqdtabix5oDD/7OtvWe0+Nbx2kYkjQeL 9PEA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=u6OJ8D7loSWLGGtXO3UVz9feRdMpWYPrTj88C1s0KfI=; b=nyLRro3QK5VRKpJfn27xCgELI+SsxwbQOAbyhzPDGAO5g9hOD7+3knj5S9nKWbotnX A8Ck948SfZm6g+ROHK83tqwfIG+vQlwOrjA3TvRjUU4NFlxz/q3aQ38P2wg4DUxz3aTK zotZcwHMq4rl6HoHOxS1XzoDS9HgHhonA46r3AodELGc1s0XA0IrCKb5jNxf0agcGUFU KzqtOsdGrwEscU0vKfNl57VzTAcESthPZqe564A0hZhy8r7D7OFnnDqbkhXzX05oPsAk nJeLfWLy5cxQ6Ng9Wy03uf6dEsW6qfki+0fV+VSMs1dBsXLUwbsDD549vDRZhcpUTMaN hH/g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id jg5si5224161ejc.490.2021.01.10.02.27.18; Sun, 10 Jan 2021 02:27:42 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbhAJKZD (ORCPT + 99 others); Sun, 10 Jan 2021 05:25:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:38904 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726112AbhAJKZC (ORCPT ); Sun, 10 Jan 2021 05:25:02 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 604F9236F9; Sun, 10 Jan 2021 10:24:21 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=wait-a-minute.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1kyXtT-006Psw-4e; Sun, 10 Jan 2021 10:24:19 +0000 From: Marc Zyngier To: Mathias Kresin , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Thomas Bogendoerfer , Serge Semin Cc: Hauke Mehrtens , Martin Blumenstingl , stable@vger.kernel.org Subject: Re: [PATCH] irqchip: mips-cpu: set IPI domain parent chip Date: Sun, 10 Jan 2021 10:24:14 +0000 Message-Id: <161027422717.65915.10926355857179319603.b4-ty@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210107213603.1637781-1-dev@kresin.me> References: <20210107213603.1637781-1-dev@kresin.me> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: dev@kresin.me, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, tsbogend@alpha.franken.de, fancer.lancer@gmail.com, hauke@hauke-m.de, martin.blumenstingl@googlemail.com, stable@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 7 Jan 2021 22:36:03 +0100, Mathias Kresin wrote: > Since commit 55567976629e ("genirq/irqdomain: Allow partial trimming of > irq_data hierarchy") the irq_data chain is valided. > > The irq_domain_trim_hierarchy() function doesn't consider the irq + ipi > domain hierarchy as valid, since the ipi domain has the irq domain set > as parent, but the parent domain has no chip set. Hence the boot ends in > a kernel panic. > > [...] Applied to irq/irqchip-next, thanks! [1/1] irqchip: mips-cpu: set IPI domain parent chip commit: 599b3063adf4bf041a87a69244ee36aded0d878f Cheers, M. -- Without deviation from the norm, progress is not possible.