50211ec944
The locking model for signature is completely different than ODP, do not share the same xarray that relies on SRCU locking to support ODP. Simply store the active mlx5_core_sig_ctx's in an xarray when signature MRs are created and rely on trivial xarray locking to serialize everything. The overhead of storing only a handful of SIG related MRs is going to be much less than an xarray full of every mkey. Link: https://lore.kernel.org/r/20191009160934.3143-3-jgg@ziepe.ca Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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