From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 753FD3D75D9; Tue, 31 Mar 2026 16:23:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774974235; cv=none; b=ppFUYeHlI1IU2ha29Q7NVGnL++O5nucZvp7iatubtdFA25V3G+rTE5s3j/V0godvzDPPfTmwPuDPLZj7oNoKvwEo+sfz2N8O276mntsnkU4oYZJfYx6OnCoB04gBqK2Xsrdu8hghe+hLYNa49+TD5PECv+Vc/3TLAoBmcEarcxU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774974235; c=relaxed/simple; bh=Owy27NZIONsUdNTzktg4/3o+Iq30FcPIRoBuYypQxIE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dOmXgEk0y9ewbe/3jh/8DsfDqLycxrgi0zRLhwxRMkN3/YX7x8D54X55vGYYWKqEe57CvgsRNh90s0lvMdP9f8IVzuD9ioig7jwK1Y4+01WaI7LiDpyajGh2czWkuV7u643sWeIh/sPL6pPmgSuTSMVvZArSs3xUpzvLHcn1UIw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=hv/rzxlp; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="hv/rzxlp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774974234; x=1806510234; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Owy27NZIONsUdNTzktg4/3o+Iq30FcPIRoBuYypQxIE=; b=hv/rzxlpta3zLX3NoDA10qIuuOQNPUuAVfkj91UXVkya11PIU7f71jyE Nntu9meFawdKVRQao/z4FehEGAunmREKnv59aWfGuJspVSK+MlvJ6Wikc fTmAdN8w24qzgB3mxg+ldkM5Z29BFCk183e94xC8eeIA/mARMlFH1eUt6 UKIiu1QM6V/rIL+tascZyMKBg2gWjOdkDwRgq3rF2BszPb/UE96uC/8Pb OuiJchUrb9PzvTLcE8YWrICVOEDODw59zkiVuVLqcjlqpb+LyiF4ZNpW0 X/1lMkXSqPSAhtxaFOlow7KTmmNtg2DO5pT2Z1BhewgBBUM7ZSZ5LSTic g==; X-CSE-ConnectionGUID: pIZP2Qq8R6KktlaTckjLPA== X-CSE-MsgGUID: NvwQuBrXQlCDYi27I+QAOA== X-IronPort-AV: E=McAfee;i="6800,10657,11745"; a="87386939" X-IronPort-AV: E=Sophos;i="6.23,152,1770624000"; d="scan'208";a="87386939" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2026 09:23:54 -0700 X-CSE-ConnectionGUID: cF1F+tt8QQ2ChLIXH7/5Aw== X-CSE-MsgGUID: 1YpHvgX7QJugjkhEZ86q+Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,152,1770624000"; d="scan'208";a="230860100" Received: from lkp-server01.sh.intel.com (HELO 283bf2e1b94a) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 31 Mar 2026 09:23:50 -0700 Received: from kbuild by 283bf2e1b94a with local (Exim 4.98.2) (envelope-from ) id 1w7bsZ-000000002t3-2ihm; Tue, 31 Mar 2026 16:23:47 +0000 Date: Wed, 1 Apr 2026 00:23:21 +0800 From: kernel test robot To: alejandro.lucero-palau@amd.com, linux-cxl@vger.kernel.org, netdev@vger.kernel.org, dave.jiang@intel.com, dan.j.williams@intel.com, edward.cree@amd.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com Cc: oe-kbuild-all@lists.linux.dev, Alejandro Lucero , Edward Cree Subject: Re: [PATCH v25 09/11] sfc: obtain decoder and region if committed by firmware Message-ID: <202604010036.h2OVjfQU-lkp@intel.com> References: <20260330143827.1278677-10-alejandro.lucero-palau@amd.com> Precedence: bulk X-Mailing-List: netdev@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: <20260330143827.1278677-10-alejandro.lucero-palau@amd.com> Hi, kernel test robot noticed the following build errors: [auto build test ERROR on 64584273dfb8a1e5fc7d78094ba22a93c204b44e] url: https://github.com/intel-lab-lkp/linux/commits/alejandro-lucero-palau-amd-com/sfc-add-cxl-support/20260331-055820 base: 64584273dfb8a1e5fc7d78094ba22a93c204b44e patch link: https://lore.kernel.org/r/20260330143827.1278677-10-alejandro.lucero-palau%40amd.com patch subject: [PATCH v25 09/11] sfc: obtain decoder and region if committed by firmware config: sparc-randconfig-002-20260331 (https://download.01.org/0day-ci/archive/20260401/202604010036.h2OVjfQU-lkp@intel.com/config) compiler: sparc-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260401/202604010036.h2OVjfQU-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202604010036.h2OVjfQU-lkp@intel.com/ All errors (new ones prefixed by >>): sparc-linux-ld: drivers/net/ethernet/sfc/efx_cxl.o: in function `efx_cxl_init': >> drivers/net/ethernet/sfc/efx_cxl.c:89:(.text+0x198): undefined reference to `cxl_get_region_range' sparc-linux-ld: drivers/net/ethernet/sfc/efx_cxl.o: in function `efx_cxl_exit': >> drivers/net/ethernet/sfc/efx_cxl.c:120:(.text+0x234): undefined reference to `cxl_unregister_region' vim +89 drivers/net/ethernet/sfc/efx_cxl.c 16 17 int efx_cxl_init(struct efx_probe_data *probe_data) 18 { 19 struct efx_nic *efx = &probe_data->efx; 20 struct pci_dev *pci_dev = efx->pci_dev; 21 struct efx_cxl *cxl; 22 struct range range; 23 u16 dvsec; 24 int rc; 25 26 probe_data->cxl_pio_initialised = false; 27 28 /* Is the device configured with and using CXL? */ 29 if (!pcie_is_cxl(pci_dev)) 30 return 0; 31 32 dvsec = pci_find_dvsec_capability(pci_dev, PCI_VENDOR_ID_CXL, 33 PCI_DVSEC_CXL_DEVICE); 34 if (!dvsec) { 35 pci_info(pci_dev, "CXL_DVSEC_PCIE_DEVICE capability not found\n"); 36 return 0; 37 } 38 39 pci_dbg(pci_dev, "CXL_DVSEC_PCIE_DEVICE capability found\n"); 40 41 /* Create a cxl_dev_state embedded in the cxl struct using cxl core api 42 * specifying no mbox available. 43 */ 44 cxl = devm_cxl_dev_state_create(&pci_dev->dev, CXL_DEVTYPE_DEVMEM, 45 pci_dev->dev.id, dvsec, struct efx_cxl, 46 cxlds, false); 47 48 if (!cxl) 49 return -ENOMEM; 50 51 rc = cxl_pci_setup_regs(pci_dev, CXL_REGLOC_RBI_COMPONENT, 52 &cxl->cxlds.reg_map); 53 if (rc) { 54 pci_err(pci_dev, "No component registers\n"); 55 return rc; 56 } 57 58 if (!cxl->cxlds.reg_map.component_map.hdm_decoder.valid) { 59 pci_err(pci_dev, "Expected HDM component register not found\n"); 60 return -ENODEV; 61 } 62 63 if (!cxl->cxlds.reg_map.component_map.ras.valid) { 64 pci_err(pci_dev, "Expected RAS component register not found\n"); 65 return -ENODEV; 66 } 67 68 /* Set media ready explicitly as there are neither mailbox for checking 69 * this state nor the CXL register involved, both not mandatory for 70 * type2. 71 */ 72 cxl->cxlds.media_ready = true; 73 74 if (cxl_set_capacity(&cxl->cxlds, EFX_CTPIO_BUFFER_SIZE)) { 75 pci_err(pci_dev, "dpa capacity setup failed\n"); 76 return -ENODEV; 77 } 78 79 cxl->cxlmd = devm_cxl_add_memdev(&cxl->cxlds, NULL); 80 if (IS_ERR(cxl->cxlmd)) { 81 pci_err(pci_dev, "CXL accel memdev creation failed"); 82 return PTR_ERR(cxl->cxlmd); 83 } 84 85 cxl->efx_region = cxl_get_region_from_committed_decoder(cxl->cxlmd); 86 if (!cxl->efx_region) 87 return -ENODEV; 88 > 89 rc = cxl_get_region_range(cxl->efx_region, &range); 90 if (rc) { 91 pci_err(pci_dev, 92 "CXL getting regions params from a committed decoder failed"); 93 return rc; 94 } 95 96 cxl->ctpio_cxl = ioremap(range.start, range_len(&range)); 97 if (!cxl->ctpio_cxl) { 98 pci_err(pci_dev, "CXL ioremap region (%pra) failed", &range); 99 return -ENOMEM; 100 } 101 102 103 probe_data->cxl = cxl; 104 105 return 0; 106 } 107 108 void efx_cxl_exit(struct efx_probe_data *probe_data) 109 { 110 if (!probe_data->cxl) 111 return; 112 113 iounmap(probe_data->cxl->ctpio_cxl); 114 115 /* If the sfc cxl initialization was successful, it implies the 116 * endpoint decoder had an auto discover region which is the one 117 * we used and we need to remove now. Otherwise the region will 118 * be around until the root port is removed. 119 */ > 120 cxl_unregister_region(probe_data->cxl->efx_region); 121 } 122 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki