Messages in this thread | | | Date | Mon, 9 Dec 2019 20:25:47 +0200 | From | Leon Romanovsky <> | Subject | Re: [PATCH v2 2/2] IB/umem: use get_user_pages_fast() to pin DMA pages |
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On Wed, Dec 04, 2019 at 01:36:03PM -0800, John Hubbard wrote: > And get rid of the mmap_sem calls, as part of that. Note > that get_user_pages_fast() will, if necessary, fall back to > __gup_longterm_unlocked(), which takes the mmap_sem as needed. > > Reviewed-by: Christoph Hellwig <hch@lst.de> > Reviewed-by: Jan Kara <jack@suse.cz> > Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> > Reviewed-by: Ira Weiny <ira.weiny@intel.com> > Signed-off-by: John Hubbard <jhubbard@nvidia.com> > --- > drivers/infiniband/core/umem.c | 17 ++++++----------- > 1 file changed, 6 insertions(+), 11 deletions(-) >
Thanks, Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
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