Re: [PATCH 4/7] kexec_file, arm64: print out debugging message if required

kernel test robot
2023-11-15T17:00:20Z

Hi Baoquan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on tip/x86/core powerpc/next powerpc/fixes linus/master v6.7-rc1 next-20231115]
[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/Baoquan-He/kexec_file-add-kexec_file-flag-to-control-debug-printing/20231114-234003
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link: https://lore.kernel.org/r/20231114153253.241262-5-bhe%40redhat.com
patch subject: [PATCH 4/7] kexec_file, arm64: print out debugging message if required
config: arm64-randconfig-001-20231115 (https://download.01.org/0day-ci/archive/20231116/202311160022.QM6xJYSy-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231116/202311160022.QM6xJYSy-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/202311160022.QM6xJYSy-lkp@intel.com/

All warnings (new ones prefixed by >>):

arch/arm64/kernel/machine_kexec.c: In function '_kexec_image_info':
>> arch/arm64/kernel/machine_kexec.c:35:23: warning: unused variable 'i' [-Wunused-variable]
35 | unsigned long i;
| ^

vim +/i +35 arch/arm64/kernel/machine_kexec.c

d28f6df1305a86 Geoff Levand 2016-06-23 27
221f2c770e10d3 Geoff Levand 2016-06-23 28 /**
221f2c770e10d3 Geoff Levand 2016-06-23 29 * kexec_image_info - For debugging output.
221f2c770e10d3 Geoff Levand 2016-06-23 30 */
221f2c770e10d3 Geoff Levand 2016-06-23 31 #define kexec_image_info(_i) _kexec_image_info(__func__, __LINE__, _i)
221f2c770e10d3 Geoff Levand 2016-06-23 32 static void _kexec_image_info(const char *func, int line,
221f2c770e10d3 Geoff Levand 2016-06-23 33 const struct kimage *kimage)
221f2c770e10d3 Geoff Levand 2016-06-23 34 {
221f2c770e10d3 Geoff Levand 2016-06-23 @35 unsigned long i;
221f2c770e10d3 Geoff Levand 2016-06-23 36
f24d07b8c8e272 Baoquan He 2023-11-14 37 kexec_dprintk("%s:%d:\n", func, line);
f24d07b8c8e272 Baoquan He 2023-11-14 38 kexec_dprintk(" kexec kimage info:\n");
f24d07b8c8e272 Baoquan He 2023-11-14 39 kexec_dprintk(" type: %d\n", kimage->type);
f24d07b8c8e272 Baoquan He 2023-11-14 40 kexec_dprintk(" head: %lx\n", kimage->head);
f24d07b8c8e272 Baoquan He 2023-11-14 41 kexec_dprintk(" kern_reloc: %pa\n", &kimage->arch.kern_reloc);
f24d07b8c8e272 Baoquan He 2023-11-14 42 kexec_dprintk(" el2_vectors: %pa\n", &kimage->arch.el2_vectors);
221f2c770e10d3 Geoff Levand 2016-06-23 43 }
221f2c770e10d3 Geoff Levand 2016-06-23 44

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