From: kernel test robot <lkp@intel.com>
To: Yi Liu <yi.l.liu@intel.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org,
Alex Williamson <alex.williamson@redhat.com>,
Jason Gunthorpe <jgg@nvidia.com>
Subject: arch/powerpc/kvm/../../../virt/kvm/vfio.c:89:7: warning: attribute declaration must precede definition
Date: Sun, 3 Sep 2023 08:00:00 +0800 [thread overview]
Message-ID: <202309030741.82aLACDG-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 92901222f83d988617aee37680cb29e1a743b5e4
commit: c1cce6d079b875396c9a7c6838fc5b024758e540 vfio: Compile vfio_group infrastructure optionally
date: 6 weeks ago
config: powerpc64-randconfig-r005-20230903 (https://download.01.org/0day-ci/archive/20230903/202309030741.82aLACDG-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230903/202309030741.82aLACDG-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/202309030741.82aLACDG-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> arch/powerpc/kvm/../../../virt/kvm/vfio.c:89:7: warning: attribute declaration must precede definition [-Wignored-attributes]
fn = symbol_get(vfio_file_iommu_group);
^
include/linux/module.h:805:60: note: expanded from macro 'symbol_get'
#define symbol_get(x) ({ extern typeof(x) x __attribute__((weak,visibility("hidden"))); &(x); })
^
include/linux/vfio.h:294:35: note: previous definition is here
static inline struct iommu_group *vfio_file_iommu_group(struct file *file)
^
>> arch/powerpc/kvm/../../../virt/kvm/vfio.c:89:7: warning: attribute declaration must precede definition [-Wignored-attributes]
fn = symbol_get(vfio_file_iommu_group);
^
include/linux/module.h:805:65: note: expanded from macro 'symbol_get'
#define symbol_get(x) ({ extern typeof(x) x __attribute__((weak,visibility("hidden"))); &(x); })
^
include/linux/vfio.h:294:35: note: previous definition is here
static inline struct iommu_group *vfio_file_iommu_group(struct file *file)
^
2 warnings generated.
vim +89 arch/powerpc/kvm/../../../virt/kvm/vfio.c
4b22ef042d6f54 Jason Gunthorpe 2022-10-07 82
4b22ef042d6f54 Jason Gunthorpe 2022-10-07 83 #ifdef CONFIG_SPAPR_TCE_IOMMU
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 84 static struct iommu_group *kvm_vfio_file_iommu_group(struct file *file)
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 85 {
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 86 struct iommu_group *(*fn)(struct file *file);
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 87 struct iommu_group *ret;
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 88
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 @89 fn = symbol_get(vfio_file_iommu_group);
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 90 if (!fn)
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 91 return NULL;
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 92
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 93 ret = fn(file);
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 94
50d63b5bbfd122 Jason Gunthorpe 2022-05-04 95 symbol_put(vfio_file_iommu_group);
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 96
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 97 return ret;
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 98 }
121f80ba68f1a5 Alexey Kardashevskiy 2017-03-22 99
:::::: The code at line 89 was first introduced by commit
:::::: 50d63b5bbfd12262069ad062611cd5e69c5e9e05 vfio: Change vfio_external_user_iommu_id() to vfio_file_iommu_group()
:::::: TO: Jason Gunthorpe <jgg@nvidia.com>
:::::: CC: Alex Williamson <alex.williamson@redhat.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-09-03 0:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-03 0:00 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-11-28 3:01 arch/powerpc/kvm/../../../virt/kvm/vfio.c:89:7: warning: attribute declaration must precede definition kernel test robot
2023-11-28 12:45 ` Jason Gunthorpe
2023-11-28 17:14 ` Alex Williamson
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