On 06/25/2014 11:12 AM, Wei Yang wrote: > On Tue, Jun 24, 2014 at 08:06:32PM +1000, Alexey Kardashevskiy wrote: >> On 06/10/2014 11:56 AM, Wei Yang wrote: >>> Current iommu_table of a PE is a static field. This will have a problem when >>> iommu_free_table is called. >> >> What kind of problem? This table is per PE and PE is not going anywhere. >> > > Yes, for Bus PE, they will always sit in the system. When VF PE introduced, > they could be released on the fly. When they are released, so do the iommu > table for the PE. iommu_table is a part of PE struct. When PE is released, iommu_table will go with it as well. Why to make is a pointer? I would understand it if you added reference counting there but no - iommu_table's lifetime is equal to PE lifetime. -- Alexey -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html