linux-kernel - Re: [PATCH v6 13/16] ras: AEST: Introduce AEST inject interface to test AEST driver

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Message-ID: <202601272009.SKq0aXMN-lkp@intel.com>
Date: Tue, 27 Jan 2026 20:52:04 +0800
From: kernel test robot <lkp@...el.com>
To: Ruidong Tian <tianruidong@...ux.alibaba.com>, catalin.marinas@....com,
	will@...nel.org, lpieralisi@...nel.org, guohanjun@...wei.com,
	sudeep.holla@....com, rafael@...nel.org, robin.murphy@....com,
	mark.rutland@....com, tony.luck@...el.com, bp@...en8.de,
	tglx@...utronix.de, peterz@...radead.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, lenb@...nel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-acpi@...r.kernel.org, linux-perf-users@...r.kernel.org,
	linux-edac@...r.kernel.org, mchehab@...nel.org,
	xueshuai@...ux.alibaba.com, zhuo.song@...ux.alibaba.com,
	oliver.yang@...ux.alibaba.com,
	Ruidong Tian <tianruidong@...ux.alibaba.com>
Subject: Re: [PATCH v6 13/16] ras: AEST: Introduce AEST inject interface to
 test AEST driver

Hi Ruidong,

kernel test robot noticed the following build warnings:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on rafael-pm/linux-next rafael-pm/bleeding-edge linus/master v6.19-rc7 next-20260126]
[cannot apply to tip/smp/core]
[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/Ruidong-Tian/ACPI-AEST-Parse-the-AEST-table/20260122-180219
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link:    https://lore.kernel.org/r/20260122094656.73399-14-tianruidong%40linux.alibaba.com
patch subject: [PATCH v6 13/16] ras: AEST: Introduce AEST inject interface to test AEST driver
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260127/202601272009.SKq0aXMN-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260127/202601272009.SKq0aXMN-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601272009.SKq0aXMN-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/ras/aest/aest-sysfs.c:194:45: warning: more '%' conversions than data arguments [-Wformat-insufficient-args]
     194 |                 snprintf(name, sizeof(name), "processor%u%u", cpu);
         |                                                          ~^
   1 warning generated.


vim +194 drivers/ras/aest/aest-sysfs.c

   182	
   183	static void
   184	aest_oncore_dev_init_debugfs(struct aest_device *adev)
   185	{
   186		int cpu, i;
   187		struct aest_node *node;
   188		struct aest_device *percpu_dev;
   189		char name[16];
   190	
   191		for_each_possible_cpu(cpu) {
   192			percpu_dev = this_cpu_ptr(adev->adev_oncore);
   193	
 > 194			snprintf(name, sizeof(name), "processor%u%u", cpu);
   195			percpu_dev->debugfs = debugfs_create_dir(name, adev->debugfs);
   196	
   197			for (i = 0; i < adev->node_cnt; i++) {
   198				node = &adev->nodes[i];
   199	
   200				node->debugfs = debugfs_create_dir(node->name,
   201								percpu_dev->debugfs);
   202				aest_node_init_debugfs(node);
   203			}
   204		}
   205	}
   206	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki