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RDMA/hfi1: Use mmu_interval_notifier_insert for user_exp_rcv

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This converts one of the two users of mmu_notifiers to use the new API.
The conversion is fairly straightforward, however the existing use of
notifiers here seems to be racey.

Link: https://lore.kernel.org/r/20191112202231.3856-7-jgg@ziepe.ca
Tested-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe
2019-11-12 16:22:23 -04:00
parent f25a546e65
commit 3889551db2
4 changed files with 60 additions and 93 deletions
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2
drivers/infiniband/hw/hfi1/file_ops.c
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@@ -1138,7 +1138,7 @@ static int get_ctxt_info(struct hfi1_filedata *fd, unsigned long arg, u32 len)
HFI1_CAP_UGET_MASK(uctxt->flags, MASK) |
HFI1_CAP_KGET_MASK(uctxt->flags, K2U);
/* adjust flag if this fd is not able to cache */
if (!fd->handler)
if (!fd->use_mn)
cinfo.runtime_flags |= HFI1_CAP_TID_UNMAP; /* no caching */
cinfo.num_active = hfi1_count_active_units();