On Mon, Jun 15, 2020 at 06:17:42PM -0700, Rajat Jain wrote: > This is needed to allow the userspace to determine when an untrusted > device has been added, and thus allowing it to bind the driver manually > to it, if it so wishes. This is being done as part of the approach > discussed at https://lkml.org/lkml/2020/6/9/1331 > > Signed-off-by: Rajat Jain <raja...@google.com> > --- > drivers/pci/pci-sysfs.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c > index 6d78df981d41a..574e9c613ba26 100644 > --- a/drivers/pci/pci-sysfs.c > +++ b/drivers/pci/pci-sysfs.c > @@ -50,6 +50,7 @@ pci_config_attr(subsystem_device, "0x%04x\n"); > pci_config_attr(revision, "0x%02x\n"); > pci_config_attr(class, "0x%06x\n"); > pci_config_attr(irq, "%u\n"); > +pci_config_attr(untrusted, "%u\n"); > > static ssize_t broken_parity_status_show(struct device *dev, > struct device_attribute *attr, > @@ -608,6 +609,7 @@ static struct attribute *pci_dev_attrs[] = { > #endif > &dev_attr_driver_override.attr, > &dev_attr_ari_enabled.attr, > + &dev_attr_untrusted.attr, > NULL, > };
You also need a Documentation/ABI/ update for this new file. thanks, greg k-h
