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=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 C6F4FC43613 for ; Sun, 23 Jun 2019 12:31:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 96D4020652 for ; Sun, 23 Jun 2019 12:31:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="nOknGD66" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726533AbfFWMbr (ORCPT ); Sun, 23 Jun 2019 08:31:47 -0400 Received: from terminus.zytor.com ([198.137.202.136]:59161 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725963AbfFWMbq (ORCPT ); Sun, 23 Jun 2019 08:31:46 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x5NCVJXo2633732 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sun, 23 Jun 2019 05:31:19 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x5NCVJXo2633732 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019061801; t=1561293080; bh=KKMXSnyf4VSeHReQVXg74nKhnTOLhY30m9opQB6TO6M=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=nOknGD66BYnCoZ9vH3wG1UFpcUDKaien9CkYjla1FAvECuxtgI4SePIK1V4XZX7wY ptfwzoM2yxDHSMQctr1qYrbFX/zNu+uzGzp3YepmD6taZAeSd0ygHLE/dFHtCj6qhE Rel2vjsuukxlnyuUkKlvggj5/rvNIWcem4xk8RogytUOB9dB+RPzieNEnqArTI39+M GZLoHxTa2BintDsxtOrZGVBQzReNzOvCOLThaQlLatYzFmBIwFUvqN0m+l6CvPLZlh zBK54liMGYUQFiSK3CEkb+WIlXpgQAjAEb9ltBQj+2M4WPvf6gg551xmp7DPuaoz4G TavprnJc0ZpHg== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x5NCVI9p2633729; Sun, 23 Jun 2019 05:31:18 -0700 Date: Sun, 23 Jun 2019 05:31:18 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Nadav Amit Message-ID: Cc: dave.hansen@linux.intel.com, hpa@zytor.com, tglx@linutronix.de, peterz@infradead.org, riel@surriel.com, bp@alien8.de, mingo@kernel.org, namit@vmware.com, linux-kernel@vger.kernel.org, luto@kernel.org Reply-To: luto@kernel.org, namit@vmware.com, linux-kernel@vger.kernel.org, mingo@kernel.org, bp@alien8.de, riel@surriel.com, tglx@linutronix.de, peterz@infradead.org, dave.hansen@linux.intel.com, hpa@zytor.com In-Reply-To: <20190613064813.8102-8-namit@vmware.com> References: <20190613064813.8102-8-namit@vmware.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] smp: Do not mark call_function_data as shared Git-Commit-ID: a22793c79d6ea0a492ce1a308ec46df52ee9406e X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: a22793c79d6ea0a492ce1a308ec46df52ee9406e Gitweb: https://git.kernel.org/tip/a22793c79d6ea0a492ce1a308ec46df52ee9406e Author: Nadav Amit AuthorDate: Wed, 12 Jun 2019 23:48:11 -0700 Committer: Thomas Gleixner CommitDate: Sun, 23 Jun 2019 14:26:25 +0200 smp: Do not mark call_function_data as shared cfd_data is marked as shared, but although it hold pointers to shared data structures, it is private per core. Signed-off-by: Nadav Amit Signed-off-by: Thomas Gleixner Cc: Peter Zijlstra Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Dave Hansen Cc: Rik van Riel Link: https://lkml.kernel.org/r/20190613064813.8102-8-namit@vmware.com --- kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/smp.c b/kernel/smp.c index d155374632eb..220ad142f5dd 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);