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[142.68.128.5]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c573c9d641sm611346385a.65.2025.03.17.10.42.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Mar 2025 10:42:53 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1tuEUG-000000006co-3Ai2; Mon, 17 Mar 2025 14:42:52 -0300 Date: Mon, 17 Mar 2025 14:42:52 -0300 From: Jason Gunthorpe To: Dave Jiang Cc: Arnd Bergmann , Davidlohr Bueso , Jonathan Cameron , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Li Ming , Arnd Bergmann , Robert Richter , "Mike Rapoport (Microsoft)" , Masahiro Yamada , linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] cxl: fix FWCTL dependency Message-ID: <20250317174252.GA10600@ziepe.ca> References: <20250310135119.4168933-1-arnd@kernel.org> <0c2a1f2f-539f-4a94-82f4-57406421a3b8@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: <0c2a1f2f-539f-4a94-82f4-57406421a3b8@intel.com> On Mon, Mar 10, 2025 at 08:24:44AM -0700, Dave Jiang wrote: > > > On 3/10/25 6:51 AM, Arnd Bergmann wrote: > > From: Arnd Bergmann > > > > The 'FWCTL' subsystem is selected by CXL_FEATURES, which is a 'bool' symbol > > with a dependency on CXL_PCI, but referenced by the cxl_core.ko. > > When cxl_core is built-in, but the cxl_pci.ko driver is a loadable mdoule, > > this results in a link failure: > > > > ld.lld-21: error: undefined symbol: _fwctl_alloc_device > >>>> referenced by features.c:695 (/home/arnd/arm-soc/drivers/cxl/core/features.c:695) > > ld.lld-21: error: undefined symbol: fwctl_register > >>>> referenced by features.c:699 (/home/arnd/arm-soc/drivers/cxl/core/features.c:699) > > ld.lld-21: error: undefined symbol: fwctl_unregister > >>>> referenced by features.c:676 (/home/arnd/arm-soc/drivers/cxl/core/features.c:676) > > > > Move the 'select' into the symbol that controls the core module instead. > > > > Fixes: a53a6004e7a5 ("cxl: Add FWCTL support to CXL") > > Signed-off-by: Arnd Bergmann > > Acked-by: Dave Jiang > > Thanks for the fix Arnd. Jason can you please append this fix to your latest branch? Thanks! I folded it into the Fixes commit thanks Jason