tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head: f3769c94f4e6a794dbb72601936199d9b258f7b7
commit: f4d284ea58186199a9e2757dd9571d8386172141 [413/475] drm/ttm: add
operation ctx to ttm_bo_validate v2
reproduce:
# apt-get install sparse
git checkout f4d284ea58186199a9e2757dd9571d8386172141
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
vim +392 drivers/staging/vboxvideo/vbox_ttm.c
dd55d44f4 Hans de Goede 2017-07-06 374
dd55d44f4 Hans de Goede 2017-07-06 375 int vbox_bo_pin(struct vbox_bo *bo,
u32 pl_flag, u64 *gpu_addr)
dd55d44f4 Hans de Goede 2017-07-06 376 {
dd55d44f4 Hans de Goede 2017-07-06 377 int i, ret;
dd55d44f4 Hans de Goede 2017-07-06 378
dd55d44f4 Hans de Goede 2017-07-06 379 if (bo->pin_count) {
dd55d44f4 Hans de Goede 2017-07-06 380 bo->pin_count++;
dd55d44f4 Hans de Goede 2017-07-06 381 if (gpu_addr)
dd55d44f4 Hans de Goede 2017-07-06 382 *gpu_addr =
vbox_bo_gpu_offset(bo);
dd55d44f4 Hans de Goede 2017-07-06 383
dd55d44f4 Hans de Goede 2017-07-06 384 return 0;
dd55d44f4 Hans de Goede 2017-07-06 385 }
dd55d44f4 Hans de Goede 2017-07-06 386
dd55d44f4 Hans de Goede 2017-07-06 387 vbox_ttm_placement(bo, pl_flag);
dd55d44f4 Hans de Goede 2017-07-06 388
dd55d44f4 Hans de Goede 2017-07-06 389 for (i = 0; i <
bo->placement.num_placement; i++)
dd55d44f4 Hans de Goede 2017-07-06 390 bo->placements[i].flags
|= TTM_PL_FLAG_NO_EVICT;
dd55d44f4 Hans de Goede 2017-07-06 391
dd55d44f4 Hans de Goede 2017-07-06 @392 ret = ttm_bo_validate(&bo->bo,
&bo->placement, false, false);
dd55d44f4 Hans de Goede 2017-07-06 393 if (ret)
dd55d44f4 Hans de Goede 2017-07-06 394 return ret;
dd55d44f4 Hans de Goede 2017-07-06 395
dd55d44f4 Hans de Goede 2017-07-06 396 bo->pin_count = 1;
dd55d44f4 Hans de Goede 2017-07-06 397
dd55d44f4 Hans de Goede 2017-07-06 398 if (gpu_addr)
dd55d44f4 Hans de Goede 2017-07-06 399 *gpu_addr =
vbox_bo_gpu_offset(bo);
dd55d44f4 Hans de Goede 2017-07-06 400
dd55d44f4 Hans de Goede 2017-07-06 401 return 0;
dd55d44f4 Hans de Goede 2017-07-06 402 }
dd55d44f4 Hans de Goede 2017-07-06 403
:::::: The code at line 392 was first introduced by commit
:::::: dd55d44f408419278c00887bfcb2261d0caae350 staging: vboxvideo: Add
vboxvideo to drivers/staging
:::::: TO: Hans de Goede <hdego...@redhat.com>
:::::: CC: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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