Hello Nathan,
On Wed, Dec 04, 2019 at 04:24:31PM -0600, Nathan Lynch wrote: > "Gautham R. Shenoy" <e...@linux.vnet.ibm.com> writes: > > @@ -1067,6 +1097,8 @@ static int __init topology_init(void) > > register_cpu(c, cpu); > > > > device_create_file(&c->dev, &dev_attr_physical_id); > > + if (firmware_has_feature(FW_FEATURE_SPLPAR)) > > + create_idle_purr_spurr_sysfs_entry(&c->dev); > > Architecturally speaking PURR/SPURR aren't strongly linked to the PAPR > SPLPAR option, are they? I'm not sure it's right for these attributes to > be absent if the platform does not support shared processor mode. Doesn't FW_FEATURE_SPLPAR refer to all Pseries guests ? It is perhaps incorrectly named, but from the other uses in the kernel, it seems to indicate that we are running as a guest instead of on a bare-metal system. -- Thanks and Regards gautham.