| commit | edea902c1c1efb855f77e041f9daf1abe7a9768a | [log] [tgz] |
|---|---|---|
| author | Thiago Jung Bauermann <bauerman@linux.ibm.com> | Mon Aug 19 23:13:23 2019 -0300 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Fri Aug 30 09:55:41 2019 +1000 |
| tree | 5b36c86623d7cd9128ecff8bac88ccb68557e020 | |
| parent | 4edaac512c8a31b0aa715b58ee00ee06df642fa2 [diff] |
powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests Secure guest memory is inacessible to devices so regular DMA isn't possible. In that case set devices' dma_map_ops to NULL so that the generic DMA code path will use SWIOTLB to bounce buffers for DMA. Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190820021326.6884-14-bauerman@linux.ibm.com