RDMA/umem: Don't hold mmap_sem for too long
DMA mapping is time consuming operation and doesn't need to be performed with mmap_sem semaphore is held. The semaphore only needs to be held for accounting and get_user_pages related activities. Signed-off-by:Huy Nguyen <huyn@mellanox.com> Signed-off-by:
Leon Romanovsky <leonro@mellanox.com> Signed-off-by:
Jason Gunthorpe <jgg@mellanox.com>
parent
6869e000
Please register or sign in to comment