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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3944EC77B7D for ; Mon, 15 May 2023 16:59:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243307AbjEOQ7B (ORCPT ); Mon, 15 May 2023 12:59:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243337AbjEOQ6x (ORCPT ); Mon, 15 May 2023 12:58:53 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 610FB76B4 for ; Mon, 15 May 2023 09:58:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7E4BC62A44 for ; Mon, 15 May 2023 16:58:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A0DAC433D2; Mon, 15 May 2023 16:58:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684169930; bh=3vij6U0ufvDorV8dwbJtqPUbB6k3SOEXRBsLswKss14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gUMBk5m/s1XvhhK008zxJPJFzJtxQ7pzP0GqujwiYxoskRCOcHHfuYO7jak0OKNrJ KwTp3ICF1yD2uTtX2gfTvRz5KxBqvkXqhT6rN3b4zKvchLJZFZvX0ssE+UUaF7RSdj zL3/oEXpVrNESvpxmE5z9Tift6/F1ZeThJI1GfCk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jianmin Lv , Marc Zyngier Subject: [PATCH 6.3 187/246] irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent Date: Mon, 15 May 2023 18:26:39 +0200 Message-Id: <20230515161728.231239804@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161722.610123835@linuxfoundation.org> References: <20230515161722.610123835@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jianmin Lv commit 64cc451e45e146b2140211b4f45f278b93b24ac0 upstream. In eiointc_acpi_init(), a *eiointc* node is passed into acpi_get_vec_parent() instead of a required *NUMA* node (on some chip like 3C5000L, a *NUMA* node means a *eiointc* node, but on some chip like 3C5000, a *NUMA* node contains 4 *eiointc* nodes), and node in struct acpi_vector_group is essentially a *NUMA* node, which will lead to no parent matched for passed *eiointc* node. so the patch adjusts code to use *NUMA* node for parameter node of acpi_set_vec_parent/acpi_get_vec_parent. Cc: stable@vger.kernel.org Signed-off-by: Jianmin Lv Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20230407083453.6305-3-lvjianmin@loongson.cn Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-loongson-eiointc.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -280,9 +280,6 @@ static void acpi_set_vec_parent(int node { int i; - if (cpu_has_flatmode) - node = cpu_to_node(node * CORES_PER_EIO_NODE); - for (i = 0; i < MAX_IO_PICS; i++) { if (node == vec_group[i].node) { vec_group[i].parent = parent; @@ -349,8 +346,16 @@ static int __init pch_pic_parse_madt(uni static int __init pch_msi_parse_madt(union acpi_subtable_headers *header, const unsigned long end) { + struct irq_domain *parent; struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header; - struct irq_domain *parent = acpi_get_vec_parent(eiointc_priv[nr_pics - 1]->node, msi_group); + int node; + + if (cpu_has_flatmode) + node = cpu_to_node(eiointc_priv[nr_pics - 1]->node * CORES_PER_EIO_NODE); + else + node = eiointc_priv[nr_pics - 1]->node; + + parent = acpi_get_vec_parent(node, msi_group); if (parent) return pch_msi_acpi_init(parent, pchmsi_entry); @@ -379,6 +384,7 @@ int __init eiointc_acpi_init(struct irq_ int i, ret, parent_irq; unsigned long node_map; struct eiointc_priv *priv; + int node; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) @@ -421,8 +427,12 @@ int __init eiointc_acpi_init(struct irq_ "irqchip/loongarch/intc:starting", eiointc_router_init, NULL); - acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, pch_group); - acpi_set_vec_parent(acpi_eiointc->node, priv->eiointc_domain, msi_group); + if (cpu_has_flatmode) + node = cpu_to_node(acpi_eiointc->node * CORES_PER_EIO_NODE); + else + node = acpi_eiointc->node; + acpi_set_vec_parent(node, priv->eiointc_domain, pch_group); + acpi_set_vec_parent(node, priv->eiointc_domain, msi_group); ret = acpi_cascade_irqdomain_init(); return ret;