diff options
| author | Robin Murphy <[email protected]> | 2016-09-12 17:14:00 +0100 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2016-09-16 09:34:22 +0100 |
| commit | fade1ec055dc6b6373e7487906b7899b41d0c46f (patch) | |
| tree | d8583918947bb5936ecf6e26f8b22598cca7e604 /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | 44bb7e243bd4b4e5c79de2452cd9762582f58925 (diff) | |
iommu/dma: Avoid PCI host bridge windows
With our DMA ops enabled for PCI devices, we should avoid allocating
IOVAs which a host bridge might misinterpret as peer-to-peer DMA and
lead to faults, corruption or other badness. To be safe, punch out holes
for all of the relevant host bridge's windows when initialising a DMA
domain for a PCI device.
CC: Marek Szyprowski <[email protected]>
CC: Inki Dae <[email protected]>
Reported-by: Lorenzo Pieralisi <[email protected]>
Signed-off-by: Robin Murphy <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions