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Shane Francis authored
Calls to dma_map_sg may return less segments / entries than requested if they fall on page bounderies. The old implementation did not support this use case. Fixes: be62dbf5 ("iommu/amd: Convert AMD iommu driver to the dma-iommu api") Bug: https://bugzilla.kernel.org/show_bug.cgi?id=206461 Bug: https://bugzilla.kernel.org/show_bug.cgi?id=206895 Bug: https://gitlab.freedesktop.org/drm/amd/issues/1056Signed-off-by:
Shane Francis <bigbeeshane@gmail.com> Reviewed-by:
Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200325090741.21957-3-bigbeeshane@gmail.com Cc: stable@vger.kernel.org
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