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| author | Davidlohr Bueso <[email protected]> | 2019-02-06 09:59:20 -0800 |
|---|---|---|
| committer | Jason Gunthorpe <[email protected]> | 2019-02-07 12:54:02 -0700 |
| commit | b95df5e3e45914c679fa5d4ca08abdd1c98b9f50 (patch) | |
| tree | 3e87173f21b35bfbf8b2550051fa41d06b4c9fb4 /lib/mpi/mpi-cmp.c | |
| parent | 8ea1f989aa07a095cbf4aabbf9be7c3a18ce31bf (diff) | |
drivers/IB,core: reduce scope of mmap_sem
ib_umem_get() uses gup_longterm() and relies on the lock to stabilze the
vma_list, so we cannot really get rid of mmap_sem altogether, but now that
the counter is atomic, we can get of some complexity that mmap_sem brings
with only pinned_vm.
Reviewed-by: Ira Weiny <[email protected]>
Signed-off-by: Davidlohr Bueso <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-cmp.c')
0 files changed, 0 insertions, 0 deletions