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 08AA72101A0 for ; Fri, 21 Feb 2025 16:35:46 +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=1740155749; cv=none; b=RBVml6z95DmcczJbn0zI0vP31AdJjX4gWfUmoJGJz8sxHKSTBt4r9fGgW3DiEmkTYislzBeuZneEfrAXZOCKwuk7NkFERCHohyLxuvQMQKAM2LUdZ73AhU5odmwU3xAoHuw0On76//JeOqCQMaBzjXFpJXxRVmEjN+uTkxiKQSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740155749; c=relaxed/simple; bh=t6ZudQBUA++0XfVdIvEWYDfnTIj4HRou8x2rmZc+XCU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EA5preCmIfMb/9aE5DNHzAytAWaGXQByrh6l46F9LkEWgx9nlebUL9W6iW52OHj5OCzqRFT6QfS+G1gKBr5/SL2XxZ6WI/gI4DalFimE7Dpu8Jwt4fmqwcokKhs/L9aJ2g4GMgYDRajKpqOadfA8cF0MLXkvrf5/GfQZsM/3RCE= 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=mYWpmjpN; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=t8OTyGVN; 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="mYWpmjpN"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="t8OTyGVN" Date: Fri, 21 Feb 2025 17:35:43 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1740155745; 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=t6ZudQBUA++0XfVdIvEWYDfnTIj4HRou8x2rmZc+XCU=; b=mYWpmjpNLtzKJEiLEH2jyeaBamwMEiPmDHCM/V6vvvr1xOS5mAd6WKx7EVH1YlXDkazsDs juLH4ckJxI3LQ4Le4L1mhOM0e6SxnCG0Fie+QfcQzeySOt7GDJ/AUSmWiNwSZwz/UgKbbC xj9/V89LFBkzihe021rrv26CLv3N/Dhp28c4VQsKlXqTQ6LO/WQ1SKZzfIrBuG9CIJgjTr MRKhfZIIbFtb5thEYZYE4KtMQEKGlXVvbzCbPCPaeYwNqTh+AxiOtJoDejyw/cXN3OUEpL tcdlRMOSFY99HjjDtc1wz5ELiInmFpeLziTB1DA/mh4Ov215tPYH0joBNe8AXw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1740155745; 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=t6ZudQBUA++0XfVdIvEWYDfnTIj4HRou8x2rmZc+XCU=; b=t8OTyGVNdd3rNU4n4pvwbbn/mpMKWNpuRbQTJgGOkYYGJuBWXg6YX8mfelmF6XB8YFcA0P zBcrTt1ICrrLseBw== From: Sebastian Andrzej Siewior To: linux-rt-devel@lists.linux.dev, linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , Guenter Roeck , Clark Williams , Steven Rostedt Subject: Re: [PATCH 0/2] lockdep: disable_irq_nosync_lockdep.*() for PREEMPT_RT. Message-ID: <20250221163543.erVpjzHa@linutronix.de> References: <760e34f9-6034-40e0-82a5-ee9becd24438@roeck-us.net> <20250212103619.2560503-1-bigeasy@linutronix.de> 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 In-Reply-To: <20250212103619.2560503-1-bigeasy@linutronix.de> On 2025-02-12 11:36:17 [+0100], To linux-rt-devel@lists.linux.dev wrote: > Guenter reported a sleeping-while-atomic warning on PREEMPT_RT with the > NE2K card. Turns out it is a questionable construct which requires > lockdep tweak to not get reported. It was added long time ago to deal > with the NE2K and has today two users. ping. Sebastian