24 Feb
2021
24 Feb
'21
6:46 p.m.
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