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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 8B91EC433B4 for ; Tue, 11 May 2021 23:12:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5CDC861931 for ; Tue, 11 May 2021 23:12:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230467AbhEKXNo (ORCPT ); Tue, 11 May 2021 19:13:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:47968 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230126AbhEKXNb (ORCPT ); Tue, 11 May 2021 19:13:31 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A9EA06191D; Tue, 11 May 2021 23:12:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620774744; bh=30S5iOXnslHL1osx5EDHKlJAxheo0X+6nBkYijKwvCI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PZCjV1iz4Oyz03EGeqIsJgwut2LTmgJtDQzlB0Dw/9XmefZA8jBRfPvaDbG5IBcna si2477DWdQLhvEQ1FjhdIrWMFXtMJ9cZ/hCKUJy6Q8uHOsQrE+a9oLGD2/b9WqtBn8 sgk5bwz34DYvj8+PocMWqUmr+Qxyl3ktCaeWipwt9+A1Pun9N0e3PQ6BY7B7OMqNBZ HMXZPSrZ9kxVJOj/kC0Gzfi6/6/dCR7T7uzwr/XaQVB+OLAoCj/qL6L80itGcKI786 uAvqeWKA0z2UvILV0phl6G57er2pw57W/UQ+druF7E7uZinMqXkxD+PIb16RDfPp5J n9PgD0qu/fLeA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 7203B5C0D4A; Tue, 11 May 2021 16:12:24 -0700 (PDT) From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 05/26] rcuscale: Allow CPU hotplug to be enabled Date: Tue, 11 May 2021 16:12:02 -0700 Message-Id: <20210511231223.2895398-5-paulmck@kernel.org> X-Mailer: git-send-email 2.31.1.189.g2e36527f23 In-Reply-To: <20210511231149.GA2895263@paulmck-ThinkPad-P17-Gen-1> References: <20210511231149.GA2895263@paulmck-ThinkPad-P17-Gen-1> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is no longer possible to disable CPU hotplug in many configurations, which means that the CONFIG_HOTPLUG_CPU=n lines in rcuscale's Kconfig options are just a source of useless diagnostics. In addition, rcuscale doesn't do CPU-hotplug operations in any case. This commit therefore changes these lines to read CONFIG_HOTPLUG_CPU=y. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/rcuscale/TREE | 2 +- tools/testing/selftests/rcutorture/configs/rcuscale/TREE54 | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/rcutorture/configs/rcuscale/TREE b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE index 721cfda76ab2..4cc1cc581321 100644 --- a/tools/testing/selftests/rcutorture/configs/rcuscale/TREE +++ b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE @@ -7,7 +7,7 @@ CONFIG_HZ_PERIODIC=n CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_FULL=n CONFIG_RCU_FAST_NO_HZ=n -CONFIG_HOTPLUG_CPU=n +CONFIG_HOTPLUG_CPU=y CONFIG_SUSPEND=n CONFIG_HIBERNATION=n CONFIG_RCU_NOCB_CPU=n diff --git a/tools/testing/selftests/rcutorture/configs/rcuscale/TREE54 b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE54 index 7629f5dd73b2..f5952061fde7 100644 --- a/tools/testing/selftests/rcutorture/configs/rcuscale/TREE54 +++ b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE54 @@ -8,7 +8,7 @@ CONFIG_HZ_PERIODIC=n CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_FULL=n CONFIG_RCU_FAST_NO_HZ=n -CONFIG_HOTPLUG_CPU=n +CONFIG_HOTPLUG_CPU=y CONFIG_SUSPEND=n CONFIG_HIBERNATION=n CONFIG_RCU_FANOUT=3 -- 2.31.1.189.g2e36527f23