From: kernel test robot <lkp@intel.com>
To: Huacai Chen <chenhuacai@loongson.cn>,
Huacai Chen <chenhuacai@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, loongarch@lists.linux.dev,
Xuefeng Li <lixuefeng@loongson.cn>, Guo Ren <guoren@kernel.org>,
Xuerui Wang <kernel@xen0n.name>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Binbin Zhou <zhoubinbin@loongson.cn>,
Xi Ruoyao <xry111@xry111.site>
Subject: Re: [PATCH V2] LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled
Date: Thu, 11 Sep 2025 08:59:54 +0800 [thread overview]
Message-ID: <202509110853.ASZKE1gv-lkp@intel.com> (raw)
In-Reply-To: <20250910091033.725716-1-chenhuacai@loongson.cn>
Hi Huacai,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master]
[also build test WARNING on v6.17-rc5 next-20250910]
[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/Huacai-Chen/LoongArch-Align-ACPI-structures-if-ARCH_STRICT_ALIGN-enabled/20250910-171140
base: linus/master
patch link: https://lore.kernel.org/r/20250910091033.725716-1-chenhuacai%40loongson.cn
patch subject: [PATCH V2] LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled
config: loongarch-randconfig-001-20250911 (https://download.01.org/0day-ci/archive/20250911/202509110853.ASZKE1gv-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250911/202509110853.ASZKE1gv-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509110853.ASZKE1gv-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/acpi/acpi.h:24,
from drivers/acpi/acpica/tbprint.c:10:
drivers/acpi/acpica/tbprint.c: In function 'acpi_tb_print_table_header':
>> include/acpi/actypes.h:530:43: warning: 'strncmp' argument 1 declared attribute 'nonstring' is smaller than the specified bound 8 [-Wstringop-overread]
530 | #define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, (sizeof(a) < 8) ? ACPI_NAMESEG_SIZE : 8))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/acpi/acpica/tbprint.c:105:20: note: in expansion of macro 'ACPI_VALIDATE_RSDP_SIG'
105 | } else if (ACPI_VALIDATE_RSDP_SIG(ACPI_CAST_PTR(struct acpi_table_rsdp,
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from include/acpi/acpi.h:26:
include/acpi/actbl.h:69:14: note: argument 'signature' declared here
69 | char signature[ACPI_NAMESEG_SIZE] ACPI_NONSTRING; /* ASCII table signature */
| ^~~~~~~~~
vim +530 include/acpi/actypes.h
cacba8657351f7 Lv Zheng 2013-09-23 529
64b9dfd0776e9c Ahmed Salem 2025-04-25 @530 #define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, (sizeof(a) < 8) ? ACPI_NAMESEG_SIZE : 8))
4fa4616e279df8 Bob Moore 2015-07-01 531 #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
cacba8657351f7 Lv Zheng 2013-09-23 532
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-09-11 1:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-10 9:10 [PATCH V2] LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled Huacai Chen
2025-09-11 0:59 ` kernel test robot [this message]
2025-09-11 8:41 ` Huacai Chen
2025-09-20 23:48 ` Nathan Chancellor
2025-09-21 1:07 ` Huacai Chen
2025-09-26 14:31 ` Guenter Roeck
2025-09-26 17:15 ` Xi Ruoyao
2025-09-26 18:27 ` Guenter Roeck
2025-10-25 13:02 ` Xi Ruoyao
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