From patchwork Tue Sep 1 15:09:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 310307 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 5E6C3C433E7 for ; Tue, 1 Sep 2020 16:36:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34CE820767 for ; Tue, 1 Sep 2020 16:36:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598978194; bh=rQf9pHyRrJGeKhzV9canzvzUgwfkjPmDF7b/ZBmDqUU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UNjJxzX3tlCUl5/3H6LrbgUwu05CoaZjPUFyugE04squCopKxka1qkOUGKD0P3b7X PBSN+XaZ/3NIOJw2RJBsvXbSSONH8K8TTOYTEcHwe0B3iQHnbLVGF5pTGagK2sBjsl dJyDed+56TFTVf2+tqtJnZZDQIWYKQITRsGryEAk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731155AbgIAQgA (ORCPT ); Tue, 1 Sep 2020 12:36:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:59246 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730548AbgIAP3k (ORCPT ); Tue, 1 Sep 2020 11:29:40 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 705062100A; Tue, 1 Sep 2020 15:29:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974180; bh=rQf9pHyRrJGeKhzV9canzvzUgwfkjPmDF7b/ZBmDqUU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g+gE/w3x6WK8hQktJOvEhZn5SWbLBMQRtqTNXkxBh6CxVm64TSb/7CQ9N7jlRRO7+ BmMUzy/YhZvekhuOjGBmSuYSNvlgCQ3d2GU2n+VD+aju32lZHJMmQChDikLECl1Fzz hvtyCk6Z5x8bi5rA2uTQpym8p1bDxrnDduTxoi1I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Gordeev , Heiko Carstens , Sasha Levin Subject: [PATCH 5.4 076/214] s390/numa: set node distance to LOCAL_DISTANCE Date: Tue, 1 Sep 2020 17:09:16 +0200 Message-Id: <20200901150956.617148721@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901150952.963606936@linuxfoundation.org> References: <20200901150952.963606936@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 535e4fc623fab2e09a0653fc3a3e17f382ad0251 ] The node distance is hardcoded to 0, which causes a trouble for some user-level applications. In particular, "libnuma" expects the distance of a node to itself as LOCAL_DISTANCE. This update removes the offending node distance override. Cc: # 4.4 Fixes: 3a368f742da1 ("s390/numa: add core infrastructure") Signed-off-by: Alexander Gordeev Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/include/asm/numa.h | 1 - arch/s390/include/asm/topology.h | 2 -- arch/s390/numa/numa.c | 6 ------ 3 files changed, 9 deletions(-) diff --git a/arch/s390/include/asm/numa.h b/arch/s390/include/asm/numa.h index 35f8cbe7e5bb0..c759dcffa9eaf 100644 --- a/arch/s390/include/asm/numa.h +++ b/arch/s390/include/asm/numa.h @@ -17,7 +17,6 @@ void numa_setup(void); int numa_pfn_to_nid(unsigned long pfn); -int __node_distance(int a, int b); void numa_update_cpu_topology(void); extern cpumask_t node_to_cpumask_map[MAX_NUMNODES]; diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index cca406fdbe51f..ef9dd253dfad0 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -83,8 +83,6 @@ static inline const struct cpumask *cpumask_of_node(int node) #define pcibus_to_node(bus) __pcibus_to_node(bus) -#define node_distance(a, b) __node_distance(a, b) - #else /* !CONFIG_NUMA */ #define numa_node_id numa_node_id diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c index d2910fa834c8a..8386c58fdb3a0 100644 --- a/arch/s390/numa/numa.c +++ b/arch/s390/numa/numa.c @@ -49,12 +49,6 @@ void numa_update_cpu_topology(void) mode->update_cpu_topology(); } -int __node_distance(int a, int b) -{ - return mode->distance ? mode->distance(a, b) : 0; -} -EXPORT_SYMBOL(__node_distance); - int numa_debug_enabled; /*