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 0FD8730DEB2; Fri, 12 Dec 2025 11:19:54 +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=1765538396; cv=none; b=PEcUrROU5Jj+VHGFfQuf7y8PgzkR7wFBxAUF86P82bEWmdgdIhOpmcpEonhrVEfptze/E67Jfzlkler/Q9pSKLjA7k9HuGc9zn8tEcqe4ff+9AAw6fs9TgfYfuOLpWpo3oEUQHQr37km3EByGeBaWXXzi3SCcnOhN4aw9z/xwDU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765538396; c=relaxed/simple; bh=EdVCtB2iBvhcT8kAVicT/eJPLJyC3Q8G7MCNhAvQuvs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qXS2Rpap2295TL8/l18rJPR8qplxp2G+ALBcYoSIedvMe/VeSdrv3SSAdYZsGcF2Mmg7/cYBzZunGVB4MaKSJX/UfAFuUoOp0S4vuwbRmV4HK4vmO7jYEqGmnm/fWAXvdZtnpwSqFPM3Smwa6Z5klZ2J8A32bjPicCDeNDoS/zI= 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=KrfgUNaN; 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="KrfgUNaN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765538395; x=1797074395; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=EdVCtB2iBvhcT8kAVicT/eJPLJyC3Q8G7MCNhAvQuvs=; b=KrfgUNaN8+IpHUV3aYHf8rfixGOt/P+Wg3JDDFz5s/tdDz3MA6GoavO0 3eAGd4dtx8Mfh2RtI6faxhJIejahegbXnHY/DysSOAT7vubGd2JcVLr7h oRwKpYOGYHqX+SM0aGufi6LgQrkv+lGJtM3CzQ8n6CJrz+U5Mw3TqpQWZ Nnkyoovi7Cq1aSgJkw1VYGkDCpY3IyCSOXladf5Xh8rx6bWgp/vGQUzFi 4ijpOG8zcbZwoZS8voQSwZe+z59P2r5DSEe/2+sYDfPbGsMO5FvmNssjs kNDcHquipHUwyv0FlUYm/77B5zZBRj5YnpduFyrkPexQT/GOr5D42Cn/q w==; X-CSE-ConnectionGUID: OxHr85d8SXWfo75Em384nQ== X-CSE-MsgGUID: psNuNqBST+O/K74geXkCew== X-IronPort-AV: E=McAfee;i="6800,10657,11639"; a="78908854" X-IronPort-AV: E=Sophos;i="6.21,143,1763452800"; d="scan'208";a="78908854" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2025 03:19:54 -0800 X-CSE-ConnectionGUID: qJI1cXddTlCXNr/oOR58Sg== X-CSE-MsgGUID: nS3unyGGQ8uyAJys3jLiqg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,143,1763452800"; d="scan'208";a="196666572" Received: from lkp-server01.sh.intel.com (HELO d335e3c6db51) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 12 Dec 2025 03:19:49 -0800 Received: from kbuild by d335e3c6db51 with local (Exim 4.98.2) (envelope-from ) id 1vU1Bb-000000005yZ-1Ard; Fri, 12 Dec 2025 11:19:47 +0000 Date: Fri, 12 Dec 2025 19:19:09 +0800 From: kernel test robot To: Oreoluwa Babatunde , robh@kernel.org, m.szyprowski@samsung.com, ye.li@oss.nxp.com Cc: oe-kbuild-all@lists.linux.dev, oreoluwa.babatunde@oss.qualcomm.com, kernel@oss.qualcomm.com, saravanak@google.com, akpm@linux-foundation.org, david@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, robin.murphy@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev, quic_c_gdjako@quicinc.com Subject: Re: [PATCH] of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param Message-ID: <202512121807.G5FMUgvU-lkp@intel.com> References: <20251210002027.1171519-1-oreoluwa.babatunde@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@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: <20251210002027.1171519-1-oreoluwa.babatunde@oss.qualcomm.com> Hi Oreoluwa, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on v6.18] [cannot apply to robh/for-next linus/master next-20251212] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Oreoluwa-Babatunde/of-reserved_mem-Allow-reserved_mem-framework-detect-cma-kernel-param/20251210-082127 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20251210002027.1171519-1-oreoluwa.babatunde%40oss.qualcomm.com patch subject: [PATCH] of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param config: nios2-randconfig-r073-20251212 (https://download.01.org/0day-ci/archive/20251212/202512121807.G5FMUgvU-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512121807.G5FMUgvU-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/202512121807.G5FMUgvU-lkp@intel.com/ All errors (new ones prefixed by >>): nios2-linux-ld: drivers/of/of_reserved_mem.o: in function `__reserved_mem_reserve_reg': >> drivers/of/of_reserved_mem.c:176: undefined reference to `cma_skip_dt_default_reserved_mem' >> drivers/of/of_reserved_mem.c:176:(.init.text+0x5b8): relocation truncated to fit: R_NIOS2_CALL26 against `cma_skip_dt_default_reserved_mem' nios2-linux-ld: drivers/of/of_reserved_mem.o: in function `__reserved_mem_alloc_size': drivers/of/of_reserved_mem.c:444: undefined reference to `cma_skip_dt_default_reserved_mem' drivers/of/of_reserved_mem.c:444:(.init.text+0x8a4): relocation truncated to fit: R_NIOS2_CALL26 against `cma_skip_dt_default_reserved_mem' nios2-linux-ld: drivers/of/of_reserved_mem.o: in function `fdt_scan_reserved_mem_reg_nodes': drivers/of/of_reserved_mem.c:272: undefined reference to `cma_skip_dt_default_reserved_mem' drivers/of/of_reserved_mem.c:272:(.init.text+0xbb0): relocation truncated to fit: R_NIOS2_CALL26 against `cma_skip_dt_default_reserved_mem' vim +176 drivers/of/of_reserved_mem.c 150 151 /* 152 * __reserved_mem_reserve_reg() - reserve all memory described in 'reg' property 153 */ 154 static int __init __reserved_mem_reserve_reg(unsigned long node, 155 const char *uname) 156 { 157 int t_len = (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32); 158 phys_addr_t base, size; 159 int len; 160 const __be32 *prop; 161 bool nomap, default_cma; 162 163 prop = of_get_flat_dt_prop(node, "reg", &len); 164 if (!prop) 165 return -ENOENT; 166 167 if (len && len % t_len != 0) { 168 pr_err("Reserved memory: invalid reg property in '%s', skipping node.\n", 169 uname); 170 return -EINVAL; 171 } 172 173 nomap = of_get_flat_dt_prop(node, "no-map", NULL) != NULL; 174 default_cma = of_get_flat_dt_prop(node, "linux,cma-default", NULL); 175 > 176 if (default_cma && cma_skip_dt_default_reserved_mem()) { 177 pr_err("Skipping dt linux,cma-default for \"cma=\" kernel param.\n"); 178 return -EINVAL; 179 } 180 181 while (len >= t_len) { 182 base = dt_mem_next_cell(dt_root_addr_cells, &prop); 183 size = dt_mem_next_cell(dt_root_size_cells, &prop); 184 185 if (size && early_init_dt_reserve_memory(base, size, nomap) == 0) { 186 /* Architecture specific contiguous memory fixup. */ 187 if (of_flat_dt_is_compatible(node, "shared-dma-pool") && 188 of_get_flat_dt_prop(node, "reusable", NULL)) 189 dma_contiguous_early_fixup(base, size); 190 pr_debug("Reserved memory: reserved region for node '%s': base %pa, size %lu MiB\n", 191 uname, &base, (unsigned long)(size / SZ_1M)); 192 } else { 193 pr_err("Reserved memory: failed to reserve memory for node '%s': base %pa, size %lu MiB\n", 194 uname, &base, (unsigned long)(size / SZ_1M)); 195 } 196 197 len -= t_len; 198 } 199 return 0; 200 } 201 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki