diff options
| author | Tymoteusz Kielan <[email protected]> | 2016-09-06 04:35:54 -0700 |
|---|---|---|
| committer | Doug Ledford <[email protected]> | 2016-10-02 08:42:07 -0400 |
| commit | 60368186fd853899c1819bcefa47f85fe8d5e5ad (patch) | |
| tree | 991c21483223261f8c8a8e04498c1ecd235245ed /lib/mpi/mpiutil.c | |
| parent | 0b115ef100a3734265a46e13707446d2de00df5c (diff) | |
IB/hfi1: Fix user-space buffers mapping with IOMMU enabled
The dma_XXX API functions return bus addresses which are
physical addresses when IOMMU is disabled. Buffer
mapping to user-space is done via remap_pfn_range() with PFN
based on bus address instead of physical. This results in
wrong pages being mapped to user-space when IOMMU is enabled.
Reviewed-by: Mitko Haralanov <[email protected]>
Reviewed-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Tymoteusz Kielan <[email protected]>
Signed-off-by: Andrzej Kacprowski <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
Diffstat (limited to 'lib/mpi/mpiutil.c')
0 files changed, 0 insertions, 0 deletions