From: kernel test robot <lkp@intel.com>
To: Chen Zhou <chenzhou10@huawei.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Ben Skeggs <bskeggs@redhat.com>
Subject: drivers/vfio/pci/vfio_pci_nvlink2.c:100:9: error: implicit declaration of function 'mm_iommu_put'; did you mean
Date: Fri, 31 Jul 2020 11:52:31 +0800 [thread overview]
Message-ID: <202007311126.3ucnZpqD%lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 8572 bytes --]
Hi Chen,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 417385c47ef7ee0d4f48f63f70cca6c1ed6355f4
commit: ee8642162a9edd40daafd3fb894e3fd3f909e361 drm/nouveau: fix build error without CONFIG_IOMMU_API
date: 6 months ago
config: powerpc-randconfig-r013-20200731 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout ee8642162a9edd40daafd3fb894e3fd3f909e361
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/vfio/pci/vfio_pci_nvlink2.c: In function 'vfio_pci_nvgpu_release':
>> drivers/vfio/pci/vfio_pci_nvlink2.c:100:9: error: implicit declaration of function 'mm_iommu_put'; did you mean 'mm_iommu_init'? [-Werror=implicit-function-declaration]
100 | ret = mm_iommu_put(data->mm, data->mem);
| ^~~~~~~~~~~~
| mm_iommu_init
drivers/vfio/pci/vfio_pci_nvlink2.c: In function 'vfio_pci_nvgpu_mmap':
>> drivers/vfio/pci/vfio_pci_nvlink2.c:163:14: error: implicit declaration of function 'mm_iommu_newdev' [-Werror=implicit-function-declaration]
163 | ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
| ^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +100 drivers/vfio/pci/vfio_pci_nvlink2.c
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 91
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 92 static void vfio_pci_nvgpu_release(struct vfio_pci_device *vdev,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 93 struct vfio_pci_region *region)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 94 {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 95 struct vfio_pci_nvgpu_data *data = region->data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 96 long ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 97
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 98 /* If there were any mappings at all... */
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 99 if (data->mm) {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 @100 ret = mm_iommu_put(data->mm, data->mem);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 101 WARN_ON(ret);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 102
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 103 mmdrop(data->mm);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 104 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 105
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 106 vfio_unregister_notifier(&data->gpdev->dev, VFIO_GROUP_NOTIFY,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 107 &data->group_notifier);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 108
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 109 pnv_npu2_unmap_lpar_dev(data->gpdev);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 110
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 111 kfree(data);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 112 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 113
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 114 static vm_fault_t vfio_pci_nvgpu_mmap_fault(struct vm_fault *vmf)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 115 {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 116 vm_fault_t ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 117 struct vm_area_struct *vma = vmf->vma;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 118 struct vfio_pci_region *region = vma->vm_private_data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 119 struct vfio_pci_nvgpu_data *data = region->data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 120 unsigned long vmf_off = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 121 unsigned long nv2pg = data->gpu_hpa >> PAGE_SHIFT;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 122 unsigned long vm_pgoff = vma->vm_pgoff &
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 123 ((1U << (VFIO_PCI_OFFSET_SHIFT - PAGE_SHIFT)) - 1);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 124 unsigned long pfn = nv2pg + vm_pgoff + vmf_off;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 125
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 126 ret = vmf_insert_pfn(vma, vmf->address, pfn);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 127 trace_vfio_pci_nvgpu_mmap_fault(data->gpdev, pfn << PAGE_SHIFT,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 128 vmf->address, ret);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 129
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 130 return ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 131 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 132
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 133 static const struct vm_operations_struct vfio_pci_nvgpu_mmap_vmops = {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 134 .fault = vfio_pci_nvgpu_mmap_fault,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 135 };
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 136
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 137 static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 138 struct vfio_pci_region *region, struct vm_area_struct *vma)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 139 {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 140 int ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 141 struct vfio_pci_nvgpu_data *data = region->data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 142
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 143 if (data->useraddr)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 144 return -EPERM;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 145
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 146 if (vma->vm_end - vma->vm_start > data->size)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 147 return -EINVAL;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 148
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 149 vma->vm_private_data = region;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 150 vma->vm_flags |= VM_PFNMAP;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 151 vma->vm_ops = &vfio_pci_nvgpu_mmap_vmops;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 152
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 153 /*
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 154 * Calling mm_iommu_newdev() here once as the region is not
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 155 * registered yet and therefore right initialization will happen now.
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 156 * Other places will use mm_iommu_find() which returns
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 157 * registered @mem and does not go gup().
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 158 */
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 159 data->useraddr = vma->vm_start;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 160 data->mm = current->mm;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 161
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 162 atomic_inc(&data->mm->mm_count);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 @163 ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
e66e02c4d96d33 Peng Hao 2019-07-02 164 vma_pages(vma), data->gpu_hpa, &data->mem);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 165
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 166 trace_vfio_pci_nvgpu_mmap(vdev->pdev, data->gpu_hpa, data->useraddr,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 167 vma->vm_end - vma->vm_start, ret);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 168
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 169 return ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 170 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 171
:::::: The code at line 100 was first introduced by commit
:::::: 7f92891778dff62303c070ac81de7b7d80de331a vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver
:::::: TO: Alexey Kardashevskiy <aik@ozlabs.ru>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35989 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: drivers/vfio/pci/vfio_pci_nvlink2.c:100:9: error: implicit declaration of function 'mm_iommu_put'; did you mean
Date: Fri, 31 Jul 2020 11:52:31 +0800 [thread overview]
Message-ID: <202007311126.3ucnZpqD%lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 8700 bytes --]
Hi Chen,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 417385c47ef7ee0d4f48f63f70cca6c1ed6355f4
commit: ee8642162a9edd40daafd3fb894e3fd3f909e361 drm/nouveau: fix build error without CONFIG_IOMMU_API
date: 6 months ago
config: powerpc-randconfig-r013-20200731 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout ee8642162a9edd40daafd3fb894e3fd3f909e361
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/vfio/pci/vfio_pci_nvlink2.c: In function 'vfio_pci_nvgpu_release':
>> drivers/vfio/pci/vfio_pci_nvlink2.c:100:9: error: implicit declaration of function 'mm_iommu_put'; did you mean 'mm_iommu_init'? [-Werror=implicit-function-declaration]
100 | ret = mm_iommu_put(data->mm, data->mem);
| ^~~~~~~~~~~~
| mm_iommu_init
drivers/vfio/pci/vfio_pci_nvlink2.c: In function 'vfio_pci_nvgpu_mmap':
>> drivers/vfio/pci/vfio_pci_nvlink2.c:163:14: error: implicit declaration of function 'mm_iommu_newdev' [-Werror=implicit-function-declaration]
163 | ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
| ^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +100 drivers/vfio/pci/vfio_pci_nvlink2.c
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 91
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 92 static void vfio_pci_nvgpu_release(struct vfio_pci_device *vdev,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 93 struct vfio_pci_region *region)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 94 {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 95 struct vfio_pci_nvgpu_data *data = region->data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 96 long ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 97
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 98 /* If there were any mappings at all... */
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 99 if (data->mm) {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 @100 ret = mm_iommu_put(data->mm, data->mem);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 101 WARN_ON(ret);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 102
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 103 mmdrop(data->mm);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 104 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 105
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 106 vfio_unregister_notifier(&data->gpdev->dev, VFIO_GROUP_NOTIFY,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 107 &data->group_notifier);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 108
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 109 pnv_npu2_unmap_lpar_dev(data->gpdev);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 110
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 111 kfree(data);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 112 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 113
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 114 static vm_fault_t vfio_pci_nvgpu_mmap_fault(struct vm_fault *vmf)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 115 {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 116 vm_fault_t ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 117 struct vm_area_struct *vma = vmf->vma;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 118 struct vfio_pci_region *region = vma->vm_private_data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 119 struct vfio_pci_nvgpu_data *data = region->data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 120 unsigned long vmf_off = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 121 unsigned long nv2pg = data->gpu_hpa >> PAGE_SHIFT;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 122 unsigned long vm_pgoff = vma->vm_pgoff &
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 123 ((1U << (VFIO_PCI_OFFSET_SHIFT - PAGE_SHIFT)) - 1);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 124 unsigned long pfn = nv2pg + vm_pgoff + vmf_off;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 125
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 126 ret = vmf_insert_pfn(vma, vmf->address, pfn);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 127 trace_vfio_pci_nvgpu_mmap_fault(data->gpdev, pfn << PAGE_SHIFT,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 128 vmf->address, ret);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 129
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 130 return ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 131 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 132
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 133 static const struct vm_operations_struct vfio_pci_nvgpu_mmap_vmops = {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 134 .fault = vfio_pci_nvgpu_mmap_fault,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 135 };
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 136
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 137 static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 138 struct vfio_pci_region *region, struct vm_area_struct *vma)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 139 {
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 140 int ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 141 struct vfio_pci_nvgpu_data *data = region->data;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 142
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 143 if (data->useraddr)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 144 return -EPERM;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 145
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 146 if (vma->vm_end - vma->vm_start > data->size)
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 147 return -EINVAL;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 148
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 149 vma->vm_private_data = region;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 150 vma->vm_flags |= VM_PFNMAP;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 151 vma->vm_ops = &vfio_pci_nvgpu_mmap_vmops;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 152
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 153 /*
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 154 * Calling mm_iommu_newdev() here once as the region is not
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 155 * registered yet and therefore right initialization will happen now.
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 156 * Other places will use mm_iommu_find() which returns
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 157 * registered @mem and does not go gup().
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 158 */
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 159 data->useraddr = vma->vm_start;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 160 data->mm = current->mm;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 161
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 162 atomic_inc(&data->mm->mm_count);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 @163 ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
e66e02c4d96d33 Peng Hao 2019-07-02 164 vma_pages(vma), data->gpu_hpa, &data->mem);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 165
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 166 trace_vfio_pci_nvgpu_mmap(vdev->pdev, data->gpu_hpa, data->useraddr,
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 167 vma->vm_end - vma->vm_start, ret);
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 168
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 169 return ret;
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 170 }
7f92891778dff6 Alexey Kardashevskiy 2018-12-20 171
:::::: The code at line 100 was first introduced by commit
:::::: 7f92891778dff62303c070ac81de7b7d80de331a vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver
:::::: TO: Alexey Kardashevskiy <aik@ozlabs.ru>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 35989 bytes --]
next reply other threads:[~2020-07-31 3:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-31 3:52 kernel test robot [this message]
2020-07-31 3:52 ` drivers/vfio/pci/vfio_pci_nvlink2.c:100:9: error: implicit declaration of function 'mm_iommu_put'; did you mean kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2020-11-13 10:28 kernel test robot
2020-11-13 10:28 ` kernel test robot
2020-09-13 7:27 kernel test robot
2020-09-13 7:27 ` kernel test robot
2020-07-29 18:34 kernel test robot
2020-07-29 18:34 ` kernel test robot
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all data and code used by this external index.