On Wed, Aug 24, 2022 at 04:24:49PM -0700, ira.weiny@xxxxxxxxx wrote: > --- a/include/linux/pci.h > +++ b/include/linux/pci.h > @@ -409,6 +409,7 @@ struct pci_dev { > */ > unsigned int irq; > struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */ > + struct resource config_resource; /* driver exclusive config ranges */ Naming is hard, but let's make this obvious what this resource is for as your comment states. How about: struct resource driver_exclusive_resource; Other than that, looks better to me, thanks for the update. greg k-h