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 B9AC63BF314; Thu, 15 Jan 2026 17:46:56 +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=1768499216; cv=none; b=DBqC8pk0Zbzfoq0//6/LWTtxGIETur19zC51Aus4vQiD61poaPB40j5OTmfE4dP9y+a+ljSe0a58XL/gkCLaIo8cjxP1tiU/Eq491dxPbbInQ2IKr0UsZkRc8sFc582LzwPX6WqsfWZzeSxn2HaoEBzm+VCCL3niTVOUmIj9fro= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768499216; c=relaxed/simple; bh=1jCsql1xPHh3+qu35hlAhhhfPTnN6RZGCJEvT2TxyM4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JZi5A57AO/jQct/5m/lImHmqYjdK0RjL3AUS9YTfuB3/yLtlTd2fMfZHrDtFhJuUbFOgqf0rljU7D64OiNBXfq+GRhM6nT51Qvgq9Lctx3WN9AoZK102SEoU9y3D6hOqtC169jMbV6vkcY9lsIfAlp6YBtnGzBnZVnRcueqLVxM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KFP1W6x/; 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="KFP1W6x/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96E7DC19422; Thu, 15 Jan 2026 17:46:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768499216; bh=1jCsql1xPHh3+qu35hlAhhhfPTnN6RZGCJEvT2TxyM4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=KFP1W6x/Pz3GfQ7syb6LWx01LhNQFu7ZunbJ85ZxOyaZjBUduvM7RCWvy4LTQGegz O8Oma9KSnm785HJoUpbeHBFJeNzZCPLriM43cPmWAPAxTYA2Y3UpPACogejUfAgTO2 D2JTivRHZJ7aac7xUGG2udcTzxcFKpDVs7GpY537HdJES86/qV9wF+Gf6PbyNyi343 7Ovh20HYPAd7Eeu1HxthMVtKbomE3KivtlKMrG+Tj1LY0srLIg+joNxkjE0lBv/ILn Jlxx3sIfJI3gAaA0oBQqM7XiOGxA/wY7ZdDyXhDn3HXr+ENe5JWj3tFrwD3zznzvBX XpgJmsyo45Vyg== Message-ID: Date: Thu, 15 Jan 2026 18:46:50 +0100 Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/5] add runtime hotplug state control To: Gregory Price Cc: linux-mm@kvack.org, linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, kernel-team@meta.com, dan.j.williams@intel.com, vishal.l.verma@intel.com, dave.jiang@intel.com, mst@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, osalvador@suse.de, akpm@linux-foundation.org References: <20260114235022.3437787-1-gourry@gourry.net> From: "David Hildenbrand (Red Hat)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/15/26 18:42, Gregory Price wrote: > On Thu, Jan 15, 2026 at 06:26:21PM +0100, David Hildenbrand (Red Hat) wrote: >> On 1/15/26 00:50, Gregory Price wrote: >>> The dax kmem driver currently onlines memory automatically during >>> probe using the system's default online policy but provides no way >>> to control or query the entire region state at runtime. >>> >>> This series adds a sysfs interface to control DAX kmem memory >>> hotplug state, and refactors the memory_hotplug paths to make it >>> possible for drivers to request an online type at hotplug time. >> >> Gregory, slow down a bit please. I haven't even had the chance to go through >> your replies on v1. >> > > Sorry, i realized your feedback on v1 showed there was just too much > complexity. I would ignore v1 entirely at this point, this version is > significantly simpler. Fair enough, I can see that the complexity here is likely reduced (less patches! ). > >> I'm currently on PTO and don't have the full day to review stuff :) And boy >> oh boy, do I have a lot of stuff in my inbox. >> >> Maybe given this is the second time the patch subject is suboptimal is >> another sign to slow down a bit? :P >> > > Apologies, and I will let this one sit. Yes, at least wait until I had the chance to reply :) -- Cheers David