From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 858728468 for ; Fri, 11 Aug 2023 19:02:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691780552; x=1723316552; h=date:from:to:cc:subject:message-id:mime-version; bh=JdaqUTLG7J6Ii6jWft0njQju/Abk9Tc7rYP0zUbx81A=; b=Kvu4GmfZk2HvCO1s8gaMZRS2BP9MFngjPThuN9qZkD2f1pZ36ssFv9zo 58CBX+FeX+aZ4hHnrLIo1ZKneh0ilNBRmMMr6JEEHxUIWlxvvdX3nDvhN Nd0WzKm7POz3mtO+8ATwMWNIgEYrVjc8LivUAv2Mpuf/0Qk6tws2z5prm kEHv3spt24ubSjcTlYn5tG8MBkWD9ch8deubNS2iI72oeCqtrgw/xICUQ zTaXhbH2uiwWyQom0Y14GAtQKxkZkWS7P3Jh2C6J/L+2xBczIX2JsPvlv uEN3aP/Ebym7hYd7rWxPlmpLarbUv5XW/FAv3cbZruN1ADmH2LzCdQ49F w==; X-IronPort-AV: E=McAfee;i="6600,9927,10799"; a="402719677" X-IronPort-AV: E=Sophos;i="6.01,166,1684825200"; d="scan'208";a="402719677" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2023 12:01:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10799"; a="802768890" X-IronPort-AV: E=Sophos;i="6.01,166,1684825200"; d="scan'208";a="802768890" Received: from lkp-server01.sh.intel.com (HELO d1ccc7e87e8f) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 11 Aug 2023 12:01:50 -0700 Received: from kbuild by d1ccc7e87e8f with local (Exim 4.96) (envelope-from ) id 1qUXOP-0007xk-0F; Fri, 11 Aug 2023 19:01:49 +0000 Date: Sat, 12 Aug 2023 03:01:05 +0800 From: kernel test robot To: Alistair Popple Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List , Lyude Paul Subject: drivers/gpu/drm/nouveau/nouveau_dmem.c:205:13: sparse: sparse: incorrect type in assignment (different base types) Message-ID: <202308120234.ile8pRGe-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9106536c1aa37bcf60202ad93bb8b94bcd29f3f0 commit: d9b719394a1147614351961ac454589111c76e76 nouveau/dmem: refactor nouveau_dmem_fault_copy_one() date: 10 months ago config: x86_64-randconfig-r072-20230811 (https://download.01.org/0day-ci/archive/20230812/202308120234.ile8pRGe-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230812/202308120234.ile8pRGe-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/202308120234.ile8pRGe-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/nouveau/nouveau_dmem.c:205:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted vm_fault_t [usertype] ret @@ got int @@ drivers/gpu/drm/nouveau/nouveau_dmem.c:205:13: sparse: expected restricted vm_fault_t [usertype] ret drivers/gpu/drm/nouveau/nouveau_dmem.c:205:13: sparse: got int drivers/gpu/drm/nouveau/nouveau_dmem.c:409:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:409:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:413:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:413:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:426:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:426:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:430:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:430:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:440:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:454:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:454:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:481:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:481:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:485:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:485:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:494:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:494:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:494:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:494:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:503:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:503:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:503:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:508:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:508:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:510:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_dmem.c:510:9: sparse: sparse: cast removes address space '__iomem' of expression vim +205 drivers/gpu/drm/nouveau/nouveau_dmem.c 161 162 static vm_fault_t nouveau_dmem_migrate_to_ram(struct vm_fault *vmf) 163 { 164 struct nouveau_drm *drm = page_to_drm(vmf->page); 165 struct nouveau_dmem *dmem = drm->dmem; 166 struct nouveau_fence *fence; 167 struct nouveau_svmm *svmm; 168 struct page *spage, *dpage; 169 unsigned long src = 0, dst = 0; 170 dma_addr_t dma_addr = 0; 171 vm_fault_t ret = 0; 172 struct migrate_vma args = { 173 .vma = vmf->vma, 174 .start = vmf->address, 175 .end = vmf->address + PAGE_SIZE, 176 .src = &src, 177 .dst = &dst, 178 .pgmap_owner = drm->dev, 179 .flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE, 180 }; 181 182 /* 183 * FIXME what we really want is to find some heuristic to migrate more 184 * than just one page on CPU fault. When such fault happens it is very 185 * likely that more surrounding page will CPU fault too. 186 */ 187 if (migrate_vma_setup(&args) < 0) 188 return VM_FAULT_SIGBUS; 189 if (!args.cpages) 190 return 0; 191 192 spage = migrate_pfn_to_page(src); 193 if (!spage || !(src & MIGRATE_PFN_MIGRATE)) 194 goto done; 195 196 dpage = alloc_page_vma(GFP_HIGHUSER, vmf->vma, vmf->address); 197 if (!dpage) 198 goto done; 199 200 dst = migrate_pfn(page_to_pfn(dpage)); 201 202 svmm = spage->zone_device_data; 203 mutex_lock(&svmm->mutex); 204 nouveau_svmm_invalidate(svmm, args.start, args.end); > 205 ret = nouveau_dmem_copy_one(drm, spage, dpage, &dma_addr); 206 mutex_unlock(&svmm->mutex); 207 if (ret) { 208 ret = VM_FAULT_SIGBUS; 209 goto done; 210 } 211 212 nouveau_fence_new(dmem->migrate.chan, false, &fence); 213 migrate_vma_pages(&args); 214 nouveau_dmem_fence_done(&fence); 215 dma_unmap_page(drm->dev->dev, dma_addr, PAGE_SIZE, DMA_BIDIRECTIONAL); 216 done: 217 migrate_vma_finalize(&args); 218 return ret; 219 } 220 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki