On Tue, Jun 11, 2019 at 12:59 PM Greg KH <[email protected]> wrote: > > On Tue, Jun 11, 2019 at 12:21:44PM +0300, Oded Gabbay wrote: > > +bool hl_pci_parent_is_phb4(struct hl_device *hdev) > > +{ > > + struct pci_dev *parent_port = hdev->pdev->bus->self; > > + > > + if ((parent_port->vendor == PCI_VENDOR_ID_IBM) && > > + (parent_port->device == PCI_DEVICE_ID_IBM_PHB4)) { > > + hdev->power9_64bit_dma_enable = 1; > > + return true; > > + } > > + > > + hdev->power9_64bit_dma_enable = 0; > > + return false; > > +} > > That feels like a big hack. I agree but so far I found no other way.
>> ppc doesn't have any "what arch am I > running on?" runtime call? Did you ask on the ppc64 mailing list? I'm > ok to take this for now, but odds are you need a better fix for this > sometime... I talked to a couple of people and they didn't know about such a thing. I'll also dug in the code and didn't find anything. I'll post a "formal" question to the ppc64 mailing list and dig again and I will update if I find anything. Thanks, Oded > > thanks, > > greg k-h
