On Sun, Sep 27, 2020 at 01:18:15AM +0300, Dmitry Osipenko wrote:> 26.09.2020 11:07, Nicolin Chen пишет:> ...> > +#ifdef CONFIG_PCI> > + if (!iommu_present(&pci_bus_type)) {> > Is this iommu_present() check really needed?> > > + pci_request_acs();> > Shouldn't pci_request_acs() be invoked *after* bus_set_iommu() succeeds?Will move it after that. Thanks!