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[96.255.20.138]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-5033746eec5sm60844171cf.9.2026.01.30.09.34.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jan 2026 09:34:35 -0800 (PST) Date: Fri, 30 Jan 2026 12:34:33 -0500 From: Gregory Price To: linux-mm@kvack.org Cc: linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kernel-team@meta.com, dave@stgolabs.net, jonathan.cameron@huawei.com, dave.jiang@intel.com, alison.schofield@intel.com, vishal.l.verma@intel.com, ira.weiny@intel.com, dan.j.williams@intel.com, willy@infradead.org, jack@suse.cz, terry.bowman@amd.com, john@jagalactic.com Subject: Re: [PATCH 0/9] cxl: explicit DAX driver selection and hotplug Message-ID: References: <20260129210442.3951412-1-gourry@gourry.net> 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: <20260129210442.3951412-1-gourry@gourry.net> On Thu, Jan 29, 2026 at 04:04:33PM -0500, Gregory Price wrote: > Currently, CXL regions that create DAX devices have no mechanism to > control select the hotplug online policy for kmem regions at region > creation time. Users must either rely on a build-time default or > manually configure each memory block after hotplug occurs. > Looks like build regression on configs without hotplug MMOP_ defines and mhp_get_default_online_type() undefined Will let this version sit for a bit before spinning a v2 ~Gregory