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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3DD73C433FE for ; Thu, 2 Dec 2021 00:46:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344778AbhLBAuN (ORCPT ); Wed, 1 Dec 2021 19:50:13 -0500 Received: from sin.source.kernel.org ([145.40.73.55]:60134 "EHLO sin.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344534AbhLBAuB (ORCPT ); Wed, 1 Dec 2021 19:50:01 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 640FECE2073; Thu, 2 Dec 2021 00:46:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92958C00446; Thu, 2 Dec 2021 00:46:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638405996; bh=JdyUZusnbMsfG6eCXlvnQlo13H3WNWvpJ43QR9UXbSo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JFr2sEGtFMrLlbiB/De75nLRw6qvYXSWouq99m80/v4IDa07+z3FLJjw5xk/3dJ7A y4T/MaaokwpuUDsBViZIEme12MsZSTg7jjOjGRKUTvW0vOLZAGfEcXbVcI9IYuJKjw cURj7W9OoJcPr6sITffgEj8sHUvyxYX0WFDPwzFc7iGF5m8xequBFyUrWFeZfUbLxS CxSAGF+hpucbsDAJosdqI6S59Le4kTWL+jVWhza4a+BvJWBOJJf85l7i9gRId1nR1x CmZRN9DcjRZAOscA04Y6WluJEKSdK2MW9SrTumUMvS+UFRbicWW5K5+3PuGncGC1kb FhSVC88A13xKA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 62B335C0FCD; Wed, 1 Dec 2021 16:46:36 -0800 (PST) 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 rcu 1/8] rcutorture: Add CONFIG_PREEMPT_DYNAMIC=n to tiny scenarios Date: Wed, 1 Dec 2021 16:46:27 -0800 Message-Id: <20211202004634.3130489-1-paulmck@kernel.org> X-Mailer: git-send-email 2.31.1.189.g2e36527f23 In-Reply-To: <20211202004615.GA3130415@paulmck-ThinkPad-P17-Gen-1> References: <20211202004615.GA3130415@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 With CONFIG_PREEMPT_DYNAMIC=y, the kernel builds with CONFIG_PREEMPTION=y because preemption can be enabled at runtime. This prevents any tests of Tiny RCU or Tiny SRCU from running correctly. This commit therefore explicitly sets CONFIG_PREEMPT_DYNAMIC=n for those scenarios. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/rcu/SRCU-T | 1 + tools/testing/selftests/rcutorture/configs/rcu/SRCU-U | 1 + tools/testing/selftests/rcutorture/configs/rcu/TINY01 | 1 + tools/testing/selftests/rcutorture/configs/rcu/TINY02 | 1 + tools/testing/selftests/rcutorture/configs/rcuscale/TINY | 1 + 5 files changed, 5 insertions(+) diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T index d6557c38dfe47..c70cf0405f248 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T +++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T @@ -2,6 +2,7 @@ CONFIG_SMP=n CONFIG_PREEMPT_NONE=y CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=n +CONFIG_PREEMPT_DYNAMIC=n #CHECK#CONFIG_TINY_SRCU=y CONFIG_RCU_TRACE=n CONFIG_DEBUG_LOCK_ALLOC=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U index 6bc24e99862f9..bc9eeabaa1b18 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U +++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U @@ -2,6 +2,7 @@ CONFIG_SMP=n CONFIG_PREEMPT_NONE=y CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=n +CONFIG_PREEMPT_DYNAMIC=n #CHECK#CONFIG_TINY_SRCU=y CONFIG_RCU_TRACE=n CONFIG_DEBUG_LOCK_ALLOC=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY01 b/tools/testing/selftests/rcutorture/configs/rcu/TINY01 index 6db705e554874..0953c52fcfd76 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TINY01 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY01 @@ -2,6 +2,7 @@ CONFIG_SMP=n CONFIG_PREEMPT_NONE=y CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=n +CONFIG_PREEMPT_DYNAMIC=n #CHECK#CONFIG_TINY_RCU=y CONFIG_HZ_PERIODIC=n CONFIG_NO_HZ_IDLE=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 index d8674264318d6..30439f6fc20e6 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 @@ -2,6 +2,7 @@ CONFIG_SMP=n CONFIG_PREEMPT_NONE=y CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=n +CONFIG_PREEMPT_DYNAMIC=n #CHECK#CONFIG_TINY_RCU=y CONFIG_HZ_PERIODIC=y CONFIG_NO_HZ_IDLE=n diff --git a/tools/testing/selftests/rcutorture/configs/rcuscale/TINY b/tools/testing/selftests/rcutorture/configs/rcuscale/TINY index fb05ef5279b43..64e9490c1f797 100644 --- a/tools/testing/selftests/rcutorture/configs/rcuscale/TINY +++ b/tools/testing/selftests/rcutorture/configs/rcuscale/TINY @@ -2,6 +2,7 @@ CONFIG_SMP=n CONFIG_PREEMPT_NONE=y CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=n +CONFIG_PREEMPT_DYNAMIC=n #CHECK#CONFIG_TINY_RCU=y CONFIG_HZ_PERIODIC=n CONFIG_NO_HZ_IDLE=y -- 2.31.1.189.g2e36527f23