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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 4B955C28CC2 for ; Fri, 31 May 2019 06:37:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20C21241F6 for ; Fri, 31 May 2019 06:37:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726994AbfEaGhm (ORCPT ); Fri, 31 May 2019 02:37:42 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:35100 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726835AbfEaGhJ (ORCPT ); Fri, 31 May 2019 02:37:09 -0400 Received: by mail-pl1-f193.google.com with SMTP id p1so3592027plo.2 for ; Thu, 30 May 2019 23:37:08 -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=qM4TRO7RGO2OHWNfeOV6qnzK1adlWFvgIGdmmIlZoQg=; b=BU0yQKmLJHu+FcfZLIg8DMoSKvvShatU9uAYACArFPZfZNfyrqNaI46ePh18bqp8lv aUU5ZnaATOqkQZrQMW/m9twosI5BnhpC1PKU537Esg28ddC3jukOBSR8wJhjO3Sc2oqJ EBGBjx+II2y2LndrrLMUaV6oD/uysclajyWi/SWLUcbpBfPr7hdDybGP/Y79ivjkJGB2 0udNHq4wVh0I+W2JE70Dn/yidSK3xvkb4JgKH4pyuOihqs9wNb47ZH2HBN5V3dIaJo+Z MZqU1se7UoUCGMD/C7jU8prHACe0BStEuXz7fwtEcTs3GNsDg62jRTLvqHzZIsBEWD/X 0SHw== X-Gm-Message-State: APjAAAUs/8tmfafrTGB5xn3isMIh9GWMZXGelBRvqgHfTt3+3nih88Lb lozh3xJe3njuqph1S0vI95E= X-Google-Smtp-Source: APXvYqzWGHujGyfLPeIxCfiUULnI9uLOj3OwWc8fFxs83AcSR6RW7rUhUD06OvJeyQPa5pAzVjP4UQ== X-Received: by 2002:a17:902:ac98:: with SMTP id h24mr178442plr.79.1559284628409; Thu, 30 May 2019 23:37:08 -0700 (PDT) Received: from htb-2n-eng-dhcp405.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id g17sm9256429pfk.55.2019.05.30.23.37.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 30 May 2019 23:37:07 -0700 (PDT) From: Nadav Amit To: Peter Zijlstra , Andy Lutomirski Cc: Borislav Petkov , Dave Hansen , Ingo Molnar , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org, Nadav Amit , Rik van Riel Subject: [RFC PATCH v2 07/12] smp: Do not mark call_function_data as shared Date: Thu, 30 May 2019 23:36:40 -0700 Message-Id: <20190531063645.4697-8-namit@vmware.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190531063645.4697-1-namit@vmware.com> References: <20190531063645.4697-1-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 6b411ee86ef6..f1a358f9c34c 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -33,7 +33,7 @@ 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(struct call_function_data, cfd_data); static DEFINE_PER_CPU_SHARED_ALIGNED(struct llist_head, call_single_queue); -- 2.20.1