Hello Christoph,
Thanks for your review.
Christoph Hellwig writes:
> On Tue, Aug 06, 2019 at 02:22:34AM -0300, Thiago Jung Bauermann wrote:
>> @@ -1318,7 +1319,10 @@ void iommu_init_early_pSeries(void)
>> of_reconfig_notifier_register(&iommu_reconfig_nb);
>> register_memory_notifier
On Tue, Aug 06, 2019 at 02:22:34AM -0300, Thiago Jung Bauermann wrote:
> @@ -1318,7 +1319,10 @@ void iommu_init_early_pSeries(void)
> of_reconfig_notifier_register(&iommu_reconfig_nb);
> register_memory_notifier(&iommu_mem_nb);
>
> - set_pci_dma_ops(&dma_iommu_ops);
> + if (is
Secure guest memory is inacessible to devices so regular DMA isn't
possible.
In that case set devices' dma_map_ops to NULL so that the generic
DMA code path will use SWIOTLB and DMA to bounce buffers.
Signed-off-by: Thiago Jung Bauermann
---
arch/powerpc/platforms/pseries/iommu.c | 6 +-
1
