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X-CSE-ConnectionGUID: 7SUw4kovRVeQng/nsYvQyQ== X-CSE-MsgGUID: Z4/g9iOuRoG9Mn8CfVbfDQ== X-IronPort-AV: E=McAfee;i="6800,10657,11639"; a="78908858" X-IronPort-AV: E=Sophos;i="6.21,143,1763452800"; d="scan'208";a="78908858" 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> 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> X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 19B2A16001A X-Stat-Signature: ztpxxhudshni8a3obp5inqtcdgh3db54 X-Rspam-User: X-HE-Tag: 1765538395-223141 X-HE-Meta: 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 uE+wIULZ jUt794trfGysfYBaJZQRerfxa4Ezs6sQa8yAJJfpFyrOhGA/J7XYUVJSOMMa/hwlgmT7kHcusgqvhg+/x0tDqdBtsauVibK/cS7mBgbuFUsNfp87PRK/+qFfgNKMwCHZ9y3RMVlFx6bSP/maRi3L2E+a6JgWj4XDciVNyLqH2qSJVdo0AhSqXORbdcJITT/7EfZ0HllIo2m07tQrLiq8MS4TCdnw7qockkSp4G1ovmEMf7w8BDIAbAFo8l9qBApJyuYtnjpz5IZrHVDXqmNQcE9nAIr+OTdQ9PMTNRKtQB4T7TvdFsNUSLVvfRGT1uiXj0KuFVIsNw1iT4WkgwNLECH344d9hpUayTPofeS/r1fh3yBM3t38ku0stJBIlHQVXCuZAAcgDwQa7bXm3WR7bRJZjFvis3z2/iqQNc+Q9pT7zoUo= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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