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At the moment iommu_free_table() only releases memory if the table was initialized for the platform code use, i.e. it had it_map initialized (which purpose is to track DMA memory space use). With dynamic DMA windows, we will need to be able to release iommu_table even if it was used for VFIO in which case it_map is NULL so does the patch. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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| crypto | ||
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| lib | ||
| math-emu | ||
| mm | ||
| net | ||
| oprofile | ||
| perf | ||
| platforms | ||
| sysdev | ||
| xmon | ||
| Kconfig | ||
| Kconfig.debug | ||
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| relocs_check.sh | ||