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| author | Matthew Brost <matthew.brost@intel.com> | 2026-04-10 13:59:25 -0700 |
|---|---|---|
| committer | Matthew Brost <matthew.brost@intel.com> | 2026-04-12 20:51:10 -0700 |
| commit | 37ad039fb3674a36dbf082fa5c864af1b791eccd (patch) | |
| tree | 879f90fee29a48bf3f2e45e2c83211d796f61492 /tools/perf/scripts/python/bin/export-to-postgresql-record | |
| parent | efcd474ed273ae7da614b30e798651c6d57d3109 (diff) | |
drm/gpusvm: Use dma-map IOVA alloc, link, and sync API in GPU SVM
The dma-map IOVA alloc, link, and sync APIs perform significantly better
than dma-map / dma-unmap, as they avoid costly IOMMU synchronizations.
This difference is especially noticeable when mapping a 2MB region in
4KB pages.
Use the IOVA alloc, link, and sync APIs for GPU SVM, which create DMA
mappings between the CPU and GPU.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/20260410205929.3914474-2-matthew.brost@intel.com
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-record')
0 files changed, 0 insertions, 0 deletions