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| author | Leon Romanovsky <leonro@nvidia.com> | 2026-01-31 07:34:14 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2026-02-23 16:30:16 +0100 |
| commit | 1a8a5227f22996d3e503c60569b1813a404da033 (patch) | |
| tree | 2965b2eafd3b8ed0875fd0e6d37df5a6eaac2a1a /tools/perf/scripts/python/stackcollapse.py | |
| parent | a408c0ca0c411ca1ead995bdae3112a806c87556 (diff) | |
vfio: Wait for dma-buf invalidation to complete
dma-buf invalidation is handled asynchronously by the hardware, so VFIO
must wait until all affected objects have been fully invalidated.
In addition, the dma-buf exporter is expecting that all importers unmap any
buffers they previously mapped.
Fixes: 5d74781ebc86 ("vfio/pci: Add dma-buf export support for MMIO regions")
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Alex Williamson <alex@shazbot.org>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20260131-dmabuf-revoke-v7-4-463d956bd527@nvidia.com
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions