From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=193.142.43.55 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794567325; b=udQLGVkoNCcmqs4czpYT07sG6oHVjTU802XZh/V5SBTRLAF6bkOlAd+qrkK6N91jL5XH jMmzmA3kCXAYCZ8eRLftwqkup6VKHXPeQaNBXJDnm62Jb+mRJpgk3cqsrF9V51Eywvb2d MR1TJ8jF753TqXtWL8NshyWfbCbWbV4RU4L+GBFyBNV8zp/x2rr5k918qrfyZMNxpj7w+ xCwzsJj0RGTrVOBlEivaXo/smhw74rW+r9BFlN75zkUreqri6JS/i5ljeC0Zr9OHfKicm CNOE2AvqfucPlBgQ37UsbvhXFXk7NevgVUoXpkkENt+ItPNUwqsZL8pzsY0wrDP6iZw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794567325; h=DMARC-Filter:Date:DKIM-Signature:DKIM-Signature:From:To:Cc:Subject: Message-ID:References:MIME-Version:Content-Type:Content-Disposition: In-Reply-To; bh=dVD2sgjeIdy2wIdfd/QmoCMe4rJiJI4y+gjhCqqw+84=; b=AfR64Wy6Ov75nnR9tmEi22km366vH9hmxXJW5T/ZTy4KlyiRAgSgKXyzG+4bkRrEteYq vnL5Dm+wWXgNlFqZn0WfhYf56ITHAFvR30ceuDEDeizV5+It7g/cEWw1TBvAGCkUUJq0h A9Ka5rv+aTjfEsGVtiZKgJLLgh8OwVK3sfsulIQ+xPLc4fElM7aaN6H3dCMyH7tNWB4Yo 0rn5ZR8/YLDPy7lyW5B8LI1tyWFLKNxOP9eN1/PAysFWwhe6QjcoSnl+ct7fEoBCBiikp /o94u2y9X/sP9TMOwG/bNaFUqeCdK7Xm0zVKggfXWBWmlicJbr7zGff64FfDpt2xHeg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=PAZcnNUn; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b="UF6Dopc/"; arc=none smtp.remote-ip=193.142.43.55 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3535606BDA8; Fri, 13 Nov 2026 10:55:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org A3535606BDA8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=PAZcnNUn; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=UF6Dopc/ Date: Fri, 13 Nov 2026 11:55:21 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1794567323; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dVD2sgjeIdy2wIdfd/QmoCMe4rJiJI4y+gjhCqqw+84=; b=PAZcnNUn9q2dQQtHfk6NotT8Q5KEWCdd6Ef64+esc8uiqJvLMtL3QctPC6ujTqe3Xn5kYN YPtsqN1L0wIDpFlTHU9t2x6PY2X837x5kxuU7oW1QzCjfSXDj2UUXL/TIL5IWmmYCJ8DHK +3r2aq2QhEiWWn90EQcwp0RKGR9RRM6GoT7+Zrv/p3PTzp7RxBq+6M1qc9NpbMG+ZJMmfL u3DZX/Fqnz3gUs+OSJ8SHu93bGUbtfAXphCcgthxmQmAtXt1K8Y+E7AjI5Boswdg0Uqveo AAv9/prh4ACCpLsZQHr7kWacKePQDEg2FamoOwUPIS8FyB1Hgfc93x1vbAZjJQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1794567323; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dVD2sgjeIdy2wIdfd/QmoCMe4rJiJI4y+gjhCqqw+84=; b=UF6Dopc/ixvr1b8REKTtcZtOFBk/zFRwvYDANMwBDKZCzmat0FDQCbovwqH+QJdOfts/Nn +xI0aamwYVls5TBQ== From: Sebastian Andrzej Siewior To: Joel Fernandes Cc: paulmck@kernel.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org, Frederic Weisbecker , Neeraj Upadhyay , Boqun Feng , Josh Triplett , Uladzislau Rezki , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Davidlohr Bueso , Jonathan Corbet , Shuah Khan , linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH RFC 0/7] rcutorture: Rewrite RCU priority-boost test around a CPU-hungry reader Message-ID: <20261113105521.spnkuQ7u@linutronix.de> References: <20261111213826.2035045-1-joelagnelf@nvidia.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20261111213826.2035045-1-joelagnelf@nvidia.com> On 2026-11-11 16:38:18 [-0500], Joel Fernandes wrote: > Related work: Sebastian's recent series on the DL fair_server taking over RT > throttling [1], with its RFC [2], also touches rcutorture's handling of RT > throttling. This patch should simplify or make those patches unnecessary. Let me look at this. If this works out then the disabling of the fair_server becomes no longer required which would be my favorite, too. Sebastian