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[96.255.20.138]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8ac00a9a851sm111552085a.20.2025.10.31.06.42.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 06:42:39 -0700 (PDT) Date: Fri, 31 Oct 2025 09:42:36 -0400 From: Gregory Price To: kernel test robot Cc: Robert Richter , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Jonathan Cameron , Dave Jiang , Davidlohr Bueso , oe-kbuild-all@lists.linux.dev, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, Terry Bowman , Joshua Hahn Subject: Re: [PATCH] cxl/region: Support multi-level interleaving with smaller granularities for lower levels Message-ID: References: <20251028094754.72816-1-rrichter@amd.com> <202510311413.HdTizWHK-lkp@intel.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: <202510311413.HdTizWHK-lkp@intel.com> On Fri, Oct 31, 2025 at 03:03:10PM +0800, kernel test robot wrote: > Hi Robert, > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> ERROR: modpost: "__udivdi3" [drivers/cxl/core/cxl_core.ko] undefined! > IIRC this happens when you do 64-bit division because it's annoying and complicated. Ran into this madness in mempolicy. ~Gregory