Not obvious why this is needed. According to Deniel Vetter this is most likely a historic artefact dating back to the days where drm drivers exposed hardware registers as mmap'able gem objects, to avoid dumping touching those registers. Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> --- drivers/gpu/drm/ttm/ttm_bo_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 7c0e85c10e0e..4dc77a66aaf6 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -445,7 +445,7 @@ void ttm_bo_mmap_vma_setup(struct ttm_buffer_object *bo, struct vm_area_struct * * VM_MIXEDMAP on all mappings. See freedesktop.org bug #75719 */ vma->vm_flags |= VM_MIXEDMAP; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; + vma->vm_flags |= VM_IO | VM_DONTEXPAND; } EXPORT_SYMBOL(ttm_bo_mmap_vma_setup); -- 2.18.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
