Hi, On 4/23/19 12:47 AM, Christoph Hellwig wrote:
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.
The option of whether bounce is ignored should be in the specific iommu driver. Or any other thought? Best regards, Lu Baolu _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
