On Sun, Apr 21, 2019 at 09:17:17AM +0800, Lu Baolu wrote:
> +static inline bool device_needs_bounce(struct device *dev)
> +{
> + struct pci_dev *pdev = NULL;
> +
> + if (intel_no_bounce)
> + return false;
> +
> + if (dev_is_pci(dev))
> + pdev = to_pci_dev(dev);
> +
> + return pdev ? pdev->untrusted : false;
> +}
Again, this and the option should not be in a specific iommu driver.
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