From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 993C020B7E8 for ; Thu, 13 Feb 2025 08:28:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739435333; cv=none; b=Z/tYigoJlTEHNJSbqmXfRxRVlGJo/I90xAjGoUevUMPv0xj/s1ELLBc/7cWey5NU1CSrkcfohqfROhpfENiJ0JHUd7dcLfB4wELMeMhtjHZj5pbiJbQ68K4q+9AIFKGBZ8yxzIZ/bZuLEpKdCywtEyV6Ztonmwvrj7HQRW8QHSw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739435333; c=relaxed/simple; bh=5a+9i+kdbuvQoWf8lI/O2ROSMQpjB4xDJb0ZBkXqvV0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TCBx4mtEXfjY9qCJqjeoPIr6awKl2UG/gPo29tkmKllIDGCYAO/cSDhKyaWHejjPQ5/FL6SUv0TaS4vUenPuFxhcyqteo0Bah0JE0hFXtvDLx3zodAohoRX66gnGX+3kR0hr27CMrUpzU3NaseXV5f0b312CwGnEcHUCeXs0U3Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=rAtjEKU/; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=J4Ysty13; arc=none smtp.client-ip=193.142.43.55 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.b="rAtjEKU/"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="J4Ysty13" Date: Thu, 13 Feb 2025 09:28:47 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1739435329; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5a+9i+kdbuvQoWf8lI/O2ROSMQpjB4xDJb0ZBkXqvV0=; b=rAtjEKU/2+r4IMApTP8yy9ahQ2nUQFahk+tyoFbmspvuSI47IKpMgxaLq9knb9XWV6oroR 3ICYyUB7e7utMBJ37V7gB1cghCgBnFS6y1m+csAIkDSDG/+ziSll+8h9uCHghgSgSkeV0a xkjuscOZYEZ0+pKyelG2SmFnQs3fXSZt78Ia/yW05b7Hf+g48n+0DcUbmmOFM47NG6TC+0 ECXA9nzqr0FCIw2DMc0siE9JA52Ksp5jIG3YGUYwSAQKcfVJjChu7A6M/tWYO93ysuA0k5 kbF1cvn24ZjxWzLAaEruYaUMxRAQKmShnGx6OLAXuPqws7G9btZcSZ9YHKIl7w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1739435329; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5a+9i+kdbuvQoWf8lI/O2ROSMQpjB4xDJb0ZBkXqvV0=; b=J4Ysty13B4n01s0ZzGXlCT7YB19XNc9zxXLxrBpv7y0IN54gnXo5xzzXkoUUfjDFScUTrW F6JsEgO2sP2/zqAw== From: Sebastian Andrzej Siewior To: Guenter Roeck Cc: Clark Williams , linux-rt-devel@lists.linux.dev, Steven Rostedt Subject: Re: possible circular locking dependency backtrace seen when enabling PREEMPT_RT Message-ID: <20250213082847.dLvDaYCn@linutronix.de> References: <20250212165612.ogWjReMW@linutronix.de> <9aec9f06-0566-430e-a708-d22bff0bc697@roeck-us.net> Precedence: bulk X-Mailing-List: linux-rt-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <9aec9f06-0566-430e-a708-d22bff0bc697@roeck-us.net> On 2025-02-12 10:36:06 [-0800], Guenter Roeck wrote: > > I may buy you a virtio adapter :) >=20 > The whole point of my testing is to execute as much code as possible. > I _do_ test various virtio devices, but to limit testing to virtio > would defeat the purpose. I understand. > > What about this in the meantime: >=20 > Yes, that passes my tests (with and without rt enabled). >=20 > Tested-by: Guenter Roeck Thank you. Let me think what I do here=E2=80=A6 > Thanks, > Guenter Sebastian