From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 2FF83390CBA; Wed, 15 Apr 2026 06:59:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776236363; cv=none; b=VqWdfd/e9DIzYw0GJ2C64untG1YL9lRHwH3yQE0vhZjAQ9+YZg5ILuyupz0NstyDYx/yji1F+0v/tcUG0Ly+LPvDIHHIoXi4zovwYnRF+ulCVRCrzPl4XSypwyN0+Enx2LkxxCGSeeW+pSFxyQg2m4HdTUYZKPN4aJiCNbypeTA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776236363; c=relaxed/simple; bh=4cycmBmatrnCWRvdzG28xMg794YYKWzuy6LwUqRuvQc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JGE+iC9Qovv82MDjE/hxEA7HVZOMgu6K83l/4hGIsZMliIhJw0Eo7aja13N7r0IFn8xoL+PlDUtcc4mGBwbZ1ZqnnRkIn4asy/yoJ0fMYBglWjWsVW5X2KiT2ePZqzex5X3UBFa+hKuCaylz47jttxfi8MkHcUdeXfVP3trW9nI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 8250268BFE; Wed, 15 Apr 2026 08:59:16 +0200 (CEST) Date: Wed, 15 Apr 2026 08:59:16 +0200 From: Christoph Hellwig To: Sebastian Andrzej Siewior Cc: Christoph Hellwig , Gao Xiang , Dave Chinner , Tal Zussman , Jens Axboe , "Matthew Wilcox (Oracle)" , Christian Brauner , "Darrick J. Wong" , Carlos Maiolino , Al Viro , Jan Kara , Bart Van Assche , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Sandeep Dhavale , Tejun Heo , Lai Jiangshan , Thomas Gleixner , Anuj Gupta Subject: Re: [PATCH 8/8] RFC: use a TASK_FIFO kthread for read completion support Message-ID: <20260415065916.GA28634@lst.de> References: <20260409160243.1008358-1-hch@lst.de> <20260409160243.1008358-9-hch@lst.de> <7f0d072b-97a7-405f-bff5-d3819de2e3dd@linux.alibaba.com> <20260415055552.GD26893@lst.de> <20260415063051.H3zA99Qh@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260415063051.H3zA99Qh@linutronix.de> User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Apr 15, 2026 at 08:30:51AM +0200, Sebastian Andrzej Siewior wrote: > Not sure why I ended up here Because this is very similar to ksoftirqd and softirq.c doesn't have a maintainer, and you were the last one doing substantial changes to it. And you're also very knowledgeable about PREEMPT_RT, which has a bit of a history of low-latency user context helpers :)