Hi,
On 05/05/2017 12:04, Robin Murphy wrote:
> When __iommu_dma_map() and iommu_dma_free_iova() are called from
> iommu_dma_get_msi_page(), various iova_*() helpers are still invoked in
> the process, whcih is unwise since they access a different member of the
> union (the iova_domain) from that
When __iommu_dma_map() and iommu_dma_free_iova() are called from
iommu_dma_get_msi_page(), various iova_*() helpers are still invoked in
the process, whcih is unwise since they access a different member of the
union (the iova_domain) from that which was last written, and there's no
guarantee that