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b5891fb520
On some machines, the iommu cannot allocate a domain for the mock device causing the dma_map_sg() to fail, and the selftest to fail with -ENOMEM. For the mock selftests, we are using a fake device and do not care about iommu; so convince intel_iommu to treat us as a dummy device with an identity mapping (and no iommu domain). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101080 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20170914162240.18310-1-chris@chris-wilson.co.uk Tested-by: Elizabeth De La Torre Mena <elizabethx.de.la.torre.mena@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com |
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