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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2 commit: be462c97b7dfd24999babe39cce3de224ebe1f80 [478/5236] accel/amdxdna: Add hardware context config: x86_64-randconfig-122-20241231 (https://download.01.org/0day-ci/archive/20241231/202412311210.LfeHTzLw-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241231/202412311210.LfeHTzLw-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202412311210.LfeHTzLw-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/accel/amdxdna/amdxdna_pci_drv.c:49:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct pid *pid @@ got struct pid [noderef] __rcu *pid @@ drivers/accel/amdxdna/amdxdna_pci_drv.c:49:34: sparse: expected struct pid *pid drivers/accel/amdxdna/amdxdna_pci_drv.c:49:34: sparse: got struct pid [noderef] __rcu *pid vim +49 drivers/accel/amdxdna/amdxdna_pci_drv.c 38 39 static int amdxdna_drm_open(struct drm_device *ddev, struct drm_file *filp) 40 { 41 struct amdxdna_dev *xdna = to_xdna_dev(ddev); 42 struct amdxdna_client *client; 43 int ret; 44 45 client = kzalloc(sizeof(*client), GFP_KERNEL); 46 if (!client) 47 return -ENOMEM; 48 > 49 client->pid = pid_nr(filp->pid); 50 client->xdna = xdna; 51 52 client->sva = iommu_sva_bind_device(xdna->ddev.dev, current->mm); 53 if (IS_ERR(client->sva)) { 54 ret = PTR_ERR(client->sva); 55 XDNA_ERR(xdna, "SVA bind device failed, ret %d", ret); 56 goto failed; 57 } 58 client->pasid = iommu_sva_get_pasid(client->sva); 59 if (client->pasid == IOMMU_PASID_INVALID) { 60 XDNA_ERR(xdna, "SVA get pasid failed"); 61 ret = -ENODEV; 62 goto unbind_sva; 63 } 64 mutex_init(&client->hwctx_lock); 65 idr_init_base(&client->hwctx_idr, AMDXDNA_INVALID_CTX_HANDLE + 1); 66 67 mutex_lock(&xdna->dev_lock); 68 list_add_tail(&client->node, &xdna->client_list); 69 mutex_unlock(&xdna->dev_lock); 70 71 filp->driver_priv = client; 72 client->filp = filp; 73 74 XDNA_DBG(xdna, "pid %d opened", client->pid); 75 return 0; 76 77 unbind_sva: 78 iommu_sva_unbind_device(client->sva); 79 failed: 80 kfree(client); 81 82 return ret; 83 } 84 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki