On Thu, Sep 24, 2015 at 02:37:35PM +0800, Baoquan He wrote:
> @@ -2469,6 +2469,8 @@ static dma_addr_t __map_single(struct device *dev,
> unsigned long align_mask = 0;
> int i;
>
> + if (translation_pre_enabled())
> + clear_translation_pre_enabled();
There is probably a better place to do this somewhere in the
initialization state machine of the AMD IOMMU driver.
Joerg
_______________________________________________
iommu mailing list
[email protected]
https://lists.linuxfoundation.org/mailman/listinfo/iommu