On Fri, Aug 30, 2019 at 03:17:14PM +0800, Lu Baolu wrote:> +#include <linux/pci.h>> + if (dev_is_untrusted(hwdev) && zero_size)> + memset(zero_addr, 0, zero_size);As said before swiotlb must not grow pci dependencies like this.Please move the untrusted flag to struct device.