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 E9DA5230BD0; Thu, 8 May 2025 23:42:33 +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=1746747754; cv=none; b=CLWWkQw5URC4NK7bxec52876GG8rjNjn46UN46ULQaJ4EvaCH6EdGX9CNiJmGwDhvj3liPo3O0tj880LblAHsTK2Y9GO9mw3N6NhOc6OUeuqoxppg99hVZztKxziUA8FNgXMLJe2hQS659jwW+n6ViEk9coNxi1ctZZfMaWSJgo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746747754; c=relaxed/simple; bh=xkjlkRzXy3gD07TO4pnDWxA5oWDgHXa+wX7fIFSjXqU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=nTurzblRj0jXBsiBo0wqBFKXW44mWrUH6JyEGXU6nNLjxoaLGp1muIAqjH8LuonsRuplM8r55YdGhm0hxYjivFWLrQYmgYDiwLl+lt2ee1mRjoN57adBu3JREWnQbrmfxkd3CwMwYL4QeLfRON+b4CP9eMOAmQgfiy5GMiToZcY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eCoHP2iM; 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="eCoHP2iM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F953C4CEEE; Thu, 8 May 2025 23:42:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746747753; bh=xkjlkRzXy3gD07TO4pnDWxA5oWDgHXa+wX7fIFSjXqU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eCoHP2iMLCyu1EXO6H5ih0kCuk+ZgM727OgswRp34bvzkAIsCtLkkBBe/7UDQdLOx EMX9peaGxT8xWB3vtONkZx8z3GCyqWHfgyUwoiAhkOGlM8yqLZMfsOWGoRpQZIy8Lu GnSd6ESnyHCTALw6ybXLltCeZzuk2m/PducscSSWtK8c3iTlYmXSiNKvMpJqgObmf3 C70BMFsMKYkEVTOTDI+7CRO4lJl2IzVbUGhHrt1MRsLgKOLOUKZBOrxYa5VAOVgaBz nCcQv/YPZqiDEUNc6dPdXNHGGhdzOEQZxpdi14UZoJe0v5RsokiuuKkcirTY/DCf11 ARH05QrcY2NSQ== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 10694CE11D4; Thu, 8 May 2025 16:42:33 -0700 (PDT) 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 3/3] rcutorture: Remove MAXSMP and CPUMASK_OFFSTACK from TREE01 Date: Thu, 8 May 2025 16:42:30 -0700 Message-Id: <20250508234230.1996554-3-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Back in the day, rcutorture was about the only thing that tested off-stack CPU masks, but now any arm64 system with more than 256 CPUs tests it full time. In fact, it is necessary to hack the kernel to prevent such a system from testing off-stack CPU masks. This means that there is no longer much point in rcutorture going out of its way to test this. And given the differences in how CPUMASK_OFFSTACK is enabled in x86 and arm64, rcutorture would need to go out of its way. This commit therefore removes CONFIG_CPUMASK_OFFSTACK=y (and the CONFIG_MAXSMP=y required to enable it on x86) from TREE01. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/rcu/TREE01 | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 index 8ae41d5f81a3e..54b1600c7eb5f 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 @@ -8,8 +8,6 @@ CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_FULL=n CONFIG_RCU_TRACE=y CONFIG_HOTPLUG_CPU=y -CONFIG_MAXSMP=y -CONFIG_CPUMASK_OFFSTACK=y CONFIG_RCU_NOCB_CPU=y CONFIG_DEBUG_LOCK_ALLOC=n CONFIG_RCU_BOOST=n -- 2.40.1