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[173.79.56.208]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6e43bad5a7bsm21233486d6.119.2025.02.07.14.19.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Feb 2025 14:19:52 -0800 (PST) Date: Fri, 7 Feb 2025 17:19:50 -0500 From: Gregory Price To: Jim Kao Cc: Robert Richter , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Jonathan Cameron , Dave Jiang , Davidlohr Bueso , "linux-cxl@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Fabio M. De Francesco" , Terry Bowman Subject: Re: [PATCH v2 03/18] cxl/pci: cxl_hdm_decode_init: Move comment Message-ID: References: <20250207153753.418849-1-rrichter@amd.com> <20250207153753.418849-4-rrichter@amd.com> 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: On Fri, Feb 07, 2025 at 09:36:08PM +0000, Jim Kao wrote: > Do we have any limitation for HDM Decoder Range in Linux Kernel ? > We has observed that Linux might be hung if range is larger than 8TB. > > Jim > Do you have any additional details? dmesg/core dumps, etc? Seems pretty suspicious that it happens right on the 44-bit boundary.