Re: [PATCH 0/3] Add gup fast + longterm and use it in HFI1

From: Davidlohr Bueso
Date: Mon Feb 11 2019 - 15:34:34 EST

On Mon, 11 Feb 2019, ira.weiny@xxxxxxxxx wrote:
Ira Weiny (3):
mm/gup: Change "write" parameter to flags
mm/gup: Introduce get_user_pages_fast_longterm()
IB/HFI1: Use new get_user_pages_fast_longterm()

Out of curiosity, are you planning on having all rdma drivers
use get_user_pages_fast_longterm()? Ie:

hw/mthca/mthca_memfree.c: ret = get_user_pages_fast(uaddr & PAGE_MASK, 1, FOLL_WRITE, pages);
hw/qib/qib_user_sdma.c: ret = get_user_pages_fast(addr, j, 0, pages);