On Wed, Feb 24, 2021 at 09:45:51AM +0100, Daniel Vetter wrote: > Hm I figured everyone just uses MAP_SHARED for buffer objects since > COW really makes absolutely no sense. How would we enforce this? In RDMA we test drivers/infiniband/core/ib_core_uverbs.c: if (!(vma->vm_flags & VM_SHARED)) During mmap to reject use of MAP_PRIVATE on BAR pages. Jason _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel