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=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 B503CC31E45 for ; Thu, 13 Jun 2019 16:41:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 883FD2173C for ; Thu, 13 Jun 2019 16:41:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392806AbfFMQlt (ORCPT ); Thu, 13 Jun 2019 12:41:49 -0400 Received: from mail-pl1-f194.google.com ([209.85.214.194]:42251 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730531AbfFMGte (ORCPT ); Thu, 13 Jun 2019 02:49:34 -0400 Received: by mail-pl1-f194.google.com with SMTP id go2so7676051plb.9 for ; Wed, 12 Jun 2019 23:49:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=x9jaRDhy0GBwgyVjvnzwc8N26QAnkrBpLEwTplkGWe4=; b=aX9/KM89WG6R+0vdMxbohlEYAMTnyamyLUW96oXRP+BZcjt09Ndom5/pYHRgUOFfAl Eye6hnFwYlZ6yXr73W0n61g8oPlWfx2cJR38VwHL7AD+QbcGfxsQM1dnwQLRmKgDUQXb 3gaNzqlmoaY7dQyHrJBt7VpG6YWgdMn6RCzA26QGDV4SAB1g2ir7DxUHKxc/C1IdTViL zZZD3eDpCdOkTTAi3UEyq4VqwvBRkTIh/MsvqwRvIdn7oPBlKEJhsupmr+kx58u2Ebdn 81L78zx25l2h9j7G8h7KBkx9I9n2HfHdyV7qnNSKg2aVW1SE8zxwJzkpyz2+yFKbIAi2 JJzQ== X-Gm-Message-State: APjAAAWDMwayAhrbDcZ1d/zxCFsZX4YElA/tVPuIBjBApfhIl0QvNYDY qNl9oyvrjKNzLwt1j7Lbp7w= X-Google-Smtp-Source: APXvYqz9BDdymN8GHvIItiPZjQjyeRU5VzVnw1Hmnz9oQZpDmHeJN6SQK+VNLAAS2X0km1llz16Tzw== X-Received: by 2002:a17:902:4181:: with SMTP id f1mr82878144pld.22.1560408573419; Wed, 12 Jun 2019 23:49:33 -0700 (PDT) Received: from htb-2n-eng-dhcp405.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id i3sm1559973pfa.175.2019.06.12.23.49.32 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 12 Jun 2019 23:49:32 -0700 (PDT) From: Nadav Amit To: Peter Zijlstra , Andy Lutomirski Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Borislav Petkov , x86@kernel.org, Thomas Gleixner , Dave Hansen , Nadav Amit , Rik van Riel Subject: [PATCH 7/9] smp: Do not mark call_function_data as shared Date: Wed, 12 Jun 2019 23:48:11 -0700 Message-Id: <20190613064813.8102-8-namit@vmware.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190613064813.8102-1-namit@vmware.com> References: <20190613064813.8102-1-namit@vmware.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org cfd_data is marked as shared, but although it hold pointers to shared data structures, it is private per core. Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Rik van Riel Cc: Andy Lutomirski Signed-off-by: Nadav Amit --- kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/smp.c b/kernel/smp.c index d9189e4d6464..d5d8dee8e3f3 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -34,7 +34,7 @@ struct call_function_data { cpumask_var_t cpumask_ipi; }; -static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data); +static DEFINE_PER_CPU_ALIGNED(struct call_function_data, cfd_data); static DEFINE_PER_CPU_SHARED_ALIGNED(struct llist_head, call_single_queue); -- 2.20.1