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SubjectRe: [PATCH v3 07/10] iommu/vt-d: Keep swiotlb on if bounce page is necessary
On Sun, Apr 21, 2019 at 09:17:16AM +0800, Lu Baolu wrote:
> +static inline bool platform_has_untrusted_device(void)
> {
> + bool has_untrusted_device = false;
> struct pci_dev *pdev = NULL;
>
> for_each_pci_dev(pdev) {
> if (pdev->untrusted) {
> + has_untrusted_device = true;
> break;
> }
> }
>
> + return has_untrusted_device;

This shouldn't really be in the intel-iommu driver, should it?
This probably should be something like pci_has_untrusted_devices
and be moved to the PCI code.

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