Hi Luc, I love your patch! Perhaps something to improve: [auto build test WARNING on next-20200626] [cannot apply to linux/master linus/master v5.8-rc2 v5.8-rc1 v5.7 v5.8-rc3] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Luc-Van-Oostenryck/sparse-use-static-inline-for-__chk_-user-io-_ptr/20200628-152401 base: 36e3135df4d426612fc77db26a312c2531108603 config: i386-randconfig-s002-20200629 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty # save the attached .config to linux build tree make W=1 C= CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:818:42: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression >> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ >> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2388:21: sparse: sparse: cast removes address space '__user' of expression -- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression >> drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ >> drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:384:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c:399:21: sparse: sparse: cast removes address space '__user' of expression -- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:138:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __poll_t ( *poll )( ... ) @@ got unsigned int ( * )( ... ) @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:138:17: sparse: expected restricted __poll_t ( *poll )( ... ) drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:138:17: sparse: got unsigned int ( * )( ... ) drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression >> drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ >> drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:261:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:263:29: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:354:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:412:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:473:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:531:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: expected void const volatile [noderef] __user *ptr drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: got unsigned int [usertype] * drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:592:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] * @@ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: expected void const volatile [noderef] __user *ptr vim +2388 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c d38ceaf99ed015 Alex Deucher 2015-04-20 2362 50da51744f005f Tom St Denis 2018-05-09 2363 /** 50da51744f005f Tom St Denis 2018-05-09 2364 * amdgpu_ttm_vram_write - Linear write access to VRAM 50da51744f005f Tom St Denis 2018-05-09 2365 * 50da51744f005f Tom St Denis 2018-05-09 2366 * Accesses VRAM via MMIO for debugging purposes. 50da51744f005f Tom St Denis 2018-05-09 2367 */ 08cab989f77582 Tom St Denis 2017-08-29 2368 static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf, 08cab989f77582 Tom St Denis 2017-08-29 2369 size_t size, loff_t *pos) 08cab989f77582 Tom St Denis 2017-08-29 2370 { 08cab989f77582 Tom St Denis 2017-08-29 2371 struct amdgpu_device *adev = file_inode(f)->i_private; 08cab989f77582 Tom St Denis 2017-08-29 2372 ssize_t result = 0; 08cab989f77582 Tom St Denis 2017-08-29 2373 int r; 08cab989f77582 Tom St Denis 2017-08-29 2374 08cab989f77582 Tom St Denis 2017-08-29 2375 if (size & 0x3 || *pos & 0x3) 08cab989f77582 Tom St Denis 2017-08-29 2376 return -EINVAL; 08cab989f77582 Tom St Denis 2017-08-29 2377 770d13b19fdf36 Christian König 2018-01-12 2378 if (*pos >= adev->gmc.mc_vram_size) 08cab989f77582 Tom St Denis 2017-08-29 2379 return -ENXIO; 08cab989f77582 Tom St Denis 2017-08-29 2380 08cab989f77582 Tom St Denis 2017-08-29 2381 while (size) { 08cab989f77582 Tom St Denis 2017-08-29 2382 unsigned long flags; 08cab989f77582 Tom St Denis 2017-08-29 2383 uint32_t value; 08cab989f77582 Tom St Denis 2017-08-29 2384 770d13b19fdf36 Christian König 2018-01-12 2385 if (*pos >= adev->gmc.mc_vram_size) 08cab989f77582 Tom St Denis 2017-08-29 2386 return result; 08cab989f77582 Tom St Denis 2017-08-29 2387 08cab989f77582 Tom St Denis 2017-08-29 @2388 r = get_user(value, (uint32_t *)buf); 08cab989f77582 Tom St Denis 2017-08-29 2389 if (r) 08cab989f77582 Tom St Denis 2017-08-29 2390 return r; 08cab989f77582 Tom St Denis 2017-08-29 2391 08cab989f77582 Tom St Denis 2017-08-29 2392 spin_lock_irqsave(&adev->mmio_idx_lock, flags); c30572814df55b Tom St Denis 2017-09-13 2393 WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); c30572814df55b Tom St Denis 2017-09-13 2394 WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); c30572814df55b Tom St Denis 2017-09-13 2395 WREG32_NO_KIQ(mmMM_DATA, value); 08cab989f77582 Tom St Denis 2017-08-29 2396 spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); 08cab989f77582 Tom St Denis 2017-08-29 2397 08cab989f77582 Tom St Denis 2017-08-29 2398 result += 4; 08cab989f77582 Tom St Denis 2017-08-29 2399 buf += 4; 08cab989f77582 Tom St Denis 2017-08-29 2400 *pos += 4; 08cab989f77582 Tom St Denis 2017-08-29 2401 size -= 4; 08cab989f77582 Tom St Denis 2017-08-29 2402 } 08cab989f77582 Tom St Denis 2017-08-29 2403 08cab989f77582 Tom St Denis 2017-08-29 2404 return result; 08cab989f77582 Tom St Denis 2017-08-29 2405 } 08cab989f77582 Tom St Denis 2017-08-29 2406 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
