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[173.79.60.52]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-530ca4e6a9csm32451091cf.23.2026.09.11.17.20.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Sep 2026 17:20:41 -0700 (PDT) Date: Fri, 11 Sep 2026 20:20:40 -0400 From: Gregory Price To: Anisa Su Cc: linux-cxl@vger.kernel.org, alison.schofield@intel.com, jic23@kernel.org, dave.jiang@intel.com, icheng@nvidia.com, ming.li@zohomail.com, vishal.l.verma@intel.com, dave@stgolabs.net, benjamin.cheatham@amd.com, Anisa Su Subject: Re: [RESEND PATCH v13 8/8] Documentation/cxl: Document DPA partition layout and ordering rules Message-ID: References: <20260908102124.2231730-2-anisa.su@samsung.com> <20260908102124.2231730-10-anisa.su@samsung.com> Precedence: bulk X-Mailing-List: linux-cxl@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: <20260908102124.2231730-10-anisa.su@samsung.com> On Tue, Sep 08, 2026 at 03:15:12AM -0700, Anisa Su wrote: Reviewed-by: Gregory Price (Meta) one question here, but not overly necessary to document because it instantly becomes the moment the code changes (for reasons). > + > +Linux follows the static precedent anyway for the partition it maps: the > +first DC partition must begin at the DPA immediately following static > +capacity -- after pmem, after ram on a device with no pmem, or at DPA 0 on > +a device with no static capacity at all. > + What is the reason for this requirement? Just easier to code? is fine to leave as-is, the first device that comes along that needs it changed "for reasons" can fix it, but it seems an entirely reasonable restriction.