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| author | Thiago Jung Bauermann <bauerman@linux.ibm.com> | 2019-08-20 04:13:23 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-30 01:55:41 +0200 |
| commit | edea902c1c1efb855f77e041f9daf1abe7a9768a (patch) | |
| tree | 5b36c86623d7cd9128ecff8bac88ccb68557e020 /arch/powerpc/include | |
| parent | powerpc/pseries/svm: Disable doorbells in SVM guests (diff) | |
| download | linux-edea902c1c1efb855f77e041f9daf1abe7a9768a.tar.xz linux-edea902c1c1efb855f77e041f9daf1abe7a9768a.zip | |
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
Diffstat (limited to 'arch/powerpc/include')
0 files changed, 0 insertions, 0 deletions