From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 580E1375F91; Tue, 3 Mar 2026 23:59:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772582346; cv=none; b=jW2BxeD6GaZGFJwbYC1sLfKa60943JIv01coq7AU0xC35H63nrTkhKtXWSN7wKTe86KPaxCeLEMl4sV1fkuqmIED2IPKk5rNkyOftvFUYHjlt3WeP/Nv7j9TRlasCQf+nmQEDszmedrkYWnQdmk1cxbEF+lpW52qSTfkEoLnxiM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772582346; c=relaxed/simple; bh=vKjLzYNjaY051GqOnWGytDflMESzjuWZkHPzFfNrKiA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=L66UoE7DNLy0iNF1FuUUNbxUcGJPMfgfhA4ryBYuvbx2eF7NN/v78iz3BrqgTiQWeoX2pRyOz6FeLPYMlrVEe4MI1jTYe2wF0MASyTkZaIvw8iRAo1G2lcleBGupkKIujMApr6BeKuZUqQ2gLC68v/42cNezlDUvnm4ER5EQAls= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oXDefOl8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oXDefOl8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13842C2BCB0; Tue, 3 Mar 2026 23:59:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772582346; bh=vKjLzYNjaY051GqOnWGytDflMESzjuWZkHPzFfNrKiA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oXDefOl8zsRPoN7u1KTXUbIjw6NpcffDNM8oMpGUdEHZ1aUS91uE0tb7PbViBm4ks +kkGCCursQ87165P6IdN7ZCOwLNZ4WCHPB73liUO/PRIOIIcEXhrWKF34MHLbyHvd7 7L7FY6j/XWT1bhryTgjRW0V/N7wiEiUCwM57AJgy7klZfkV5Ubst6DX77/8rQqbA1j sn42P8uESSF6FR44emzTC9Mvank7KR8dhZuG/V9gb68MdOqe06qHho5G8Rz+aXOyFt gpNoPcNqdojQo3ln7MqMmr4vToE6QgxeiZ1n/8dzrgq7wwupzpcSCaVbgKe6CpFc4H TmslSeOcapDdw== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id A7EFCCE0EDC; Tue, 3 Mar 2026 15:59:05 -0800 (PST) From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, "Paul E. McKenney" Subject: [PATCH 4/4] scftorture: Update due to x86 not supporting none/voluntary preemption Date: Tue, 3 Mar 2026 15:59:03 -0800 Message-Id: <20260303235903.1967409-4-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <2011d452-3c72-432a-af77-810238e80e6a@paulmck-laptop> References: <2011d452-3c72-432a-af77-810238e80e6a@paulmck-laptop> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit As of v7.0-rc1, architectures that support preemption, including x86 and arm64, no longer support CONFIG_PREEMPT_NONE or CONFIG_PREEMPT_VOLUNTARY. Attempting to build kernels with these two Kconfig options results in .config errors. This commit therefore switches such scftorture scenarios to CONFIG_PREEMPT_LAZY. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT b/tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT index 6133f54ce2a7d..f9621e2770a41 100644 --- a/tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT +++ b/tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT @@ -1,5 +1,6 @@ CONFIG_SMP=y -CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_LAZY=y +CONFIG_PREEMPT_NONE=n CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=n CONFIG_PREEMPT_DYNAMIC=n -- 2.40.1