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X-IronPort-AV: E=McAfee;i="6600,9927,10726"; a="420889963" X-IronPort-AV: E=Sophos;i="6.00,205,1681196400"; d="scan'208";a="420889963" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 May 2023 20:39:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10726"; a="851051247" X-IronPort-AV: E=Sophos;i="6.00,205,1681196400"; d="scan'208";a="851051247" Received: from lkp-server01.sh.intel.com (HELO fb1ced2c09fb) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 30 May 2023 20:39:57 -0700 Received: from kbuild by fb1ced2c09fb with local (Exim 4.96) (envelope-from ) id 1q4Cgm-00013W-2Y; Wed, 31 May 2023 03:39:56 +0000 Date: Wed, 31 May 2023 11:39:23 +0800 From: kernel test robot To: =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-riscv@lists.infradead.org Cc: oe-kbuild-all@lists.linux.dev, =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@rivosinc.com, Alexandre Ghiti , Joerg Roedel Subject: Re: [PATCH] riscv: mm: Pre-allocate PGD entries vmalloc/modules area Message-ID: <202305311117.huD9v4Y8-lkp@intel.com> References: <20230529180023.289904-1-bjorn@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230529180023.289904-1-bjorn@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230530_204007_131428_3E68073F X-CRM114-Status: GOOD ( 17.73 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hi Bj=F6rn, kernel test robot noticed the following build errors: [auto build test ERROR on ac9a78681b921877518763ba0e89202254349d1b] url: https://github.com/intel-lab-lkp/linux/commits/Bj-rn-T-pel/riscv-mm= -Pre-allocate-PGD-entries-vmalloc-modules-area/20230530-020212 base: ac9a78681b921877518763ba0e89202254349d1b patch link: https://lore.kernel.org/r/20230529180023.289904-1-bjorn%40ke= rnel.org patch subject: [PATCH] riscv: mm: Pre-allocate PGD entries vmalloc/modules = area config: riscv-randconfig-r042-20230530 (https://download.01.org/0day-ci/arc= hive/20230531/202305311117.huD9v4Y8-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 12.3.0 reproduce (this is a W=3D1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/= make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/9383adbcdfb7f850149= 742579615e8c174328a78 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Bj-rn-T-pel/riscv-mm-Pre-allocate-= PGD-entries-vmalloc-modules-area/20230530-020212 git checkout 9383adbcdfb7f850149742579615e8c174328a78 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-12.3.0 ~/bin/make= .cross W=3D1 O=3Dbuild_dir ARCH=3Driscv olddefconfig COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-12.3.0 ~/bin/make= .cross W=3D1 O=3Dbuild_dir ARCH=3Driscv SHELL=3D/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202305311117.huD9v4Y8-lkp@i= ntel.com/ All errors (new ones prefixed by >>): arch/riscv/mm/init.c: In function 'preallocate_pgd_pages_range': >> arch/riscv/mm/init.c:1381:30: error: implicit declaration of function 'p= gd_offset_k'; did you mean 'p4d_offset'? [-Werror=3Dimplicit-function-decla= ration] 1381 | pgd_t *pgd =3D pgd_offset_k(addr); | ^~~~~~~~~~~~ | p4d_offset arch/riscv/mm/init.c:1381:30: warning: initialization of 'pgd_t *' from = 'int' makes pointer from integer without a cast [-Wint-conversion] >> arch/riscv/mm/init.c:1387:23: error: implicit declaration of function 'p= 4d_alloc'; did you mean 'd_alloc'? [-Werror=3Dimplicit-function-declaration] 1387 | p4d =3D p4d_alloc(&init_mm, pgd, addr); | ^~~~~~~~~ | d_alloc arch/riscv/mm/init.c:1387:21: warning: assignment to 'p4d_t *' from 'int= ' makes pointer from integer without a cast [-Wint-conversion] 1387 | p4d =3D p4d_alloc(&init_mm, pgd, addr); | ^ >> arch/riscv/mm/init.c:1395:23: error: implicit declaration of function 'p= ud_alloc'; did you mean 'd_alloc'? [-Werror=3Dimplicit-function-declaration] 1395 | pud =3D pud_alloc(&init_mm, p4d, addr); | ^~~~~~~~~ | d_alloc arch/riscv/mm/init.c:1395:21: warning: assignment to 'pud_t *' from 'int= ' makes pointer from integer without a cast [-Wint-conversion] 1395 | pud =3D pud_alloc(&init_mm, p4d, addr); | ^ >> arch/riscv/mm/init.c:1403:23: error: implicit declaration of function 'p= md_alloc'; did you mean 'mm_alloc'? [-Werror=3Dimplicit-function-declaratio= n] 1403 | pmd =3D pmd_alloc(&init_mm, pud, addr); | ^~~~~~~~~ | mm_alloc arch/riscv/mm/init.c:1403:21: warning: assignment to 'pmd_t *' from 'int= ' makes pointer from integer without a cast [-Wint-conversion] 1403 | pmd =3D pmd_alloc(&init_mm, pud, addr); | ^ arch/riscv/mm/init.c: In function 'pgtable_cache_init': >> arch/riscv/mm/init.c:1421:45: error: 'MODULES_VADDR' undeclared (first u= se in this function) 1421 | preallocate_pgd_pages_range(MODULES_VADDR, MODUL= ES_END, "bpf/modules"); | ^~~~~~~~~~~~~ arch/riscv/mm/init.c:1421:45: note: each undeclared identifier is report= ed only once for each function it appears in >> arch/riscv/mm/init.c:1421:60: error: 'MODULES_END' undeclared (first use= in this function) 1421 | preallocate_pgd_pages_range(MODULES_VADDR, MODUL= ES_END, "bpf/modules"); | ^~~~~= ~~~~~~ cc1: some warnings being treated as errors vim +1381 arch/riscv/mm/init.c 1366 = 1367 #ifdef CONFIG_64BIT 1368 /* 1369 * Pre-allocates page-table pages for a specific area in the kernel 1370 * page-table. Only the level which needs to be synchronized between 1371 * all page-tables is allocated because the synchronization can be 1372 * expensive. 1373 */ 1374 static void __init preallocate_pgd_pages_range(unsigned long start, = unsigned long end, 1375 const char *area) 1376 { 1377 unsigned long addr; 1378 const char *lvl; 1379 = 1380 for (addr =3D start; addr < end && addr >=3D start; addr =3D ALIGN(= addr + 1, PGDIR_SIZE)) { > 1381 pgd_t *pgd =3D pgd_offset_k(addr); 1382 p4d_t *p4d; 1383 pud_t *pud; 1384 pmd_t *pmd; 1385 = 1386 lvl =3D "p4d"; > 1387 p4d =3D p4d_alloc(&init_mm, pgd, addr); 1388 if (!p4d) 1389 goto failed; 1390 = 1391 if (pgtable_l5_enabled) 1392 continue; 1393 = 1394 lvl =3D "pud"; > 1395 pud =3D pud_alloc(&init_mm, p4d, addr); 1396 if (!pud) 1397 goto failed; 1398 = 1399 if (pgtable_l4_enabled) 1400 continue; 1401 = 1402 lvl =3D "pmd"; > 1403 pmd =3D pmd_alloc(&init_mm, pud, addr); 1404 if (!pmd) 1405 goto failed; 1406 } 1407 return; 1408 = 1409 failed: 1410 /* 1411 * The pages have to be there now or they will be missing in 1412 * process page-tables later. 1413 */ 1414 panic("Failed to pre-allocate %s pages for %s area\n", lvl, area); 1415 } 1416 = 1417 void __init pgtable_cache_init(void) 1418 { 1419 preallocate_pgd_pages_range(VMALLOC_START, VMALLOC_END, "vmalloc"); 1420 if (IS_ENABLED(CONFIG_MODULES)) > 1421 preallocate_pgd_pages_range(MODULES_VADDR, MODULES_END, "bpf/modul= es"); -- = 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv