From: Tushar Dave <tushar.n.dave@xxxxxxxxxx> Date: Tue, 15 Aug 2017 15:07:35 -0700 > > > On 08/15/2017 07:42 AM, Meelis Roos wrote: >> I noticed that on Niagara2, dmesg has a red error about ATU >> registration: >> [ 4.579231] pci_sun4v: Could not register hvapi ATU err=-22 >> This is preceded by info line >> [ 4.578073] pci_sun4v: Registered hvapi major[1] minor[0] >> As I understand, there is no ATU on Niagara1 & Niagara2 sun4v >> platforms, >> so there is no point in trying to log an error to dmesg in that case? > You are right. > IMO, we should not log ATU hvapi registration failure message at > all. Unlike PCI hvapi, ATU hvapi registration failure is not *hard > error*. > Even if ATU hvapi registration fails (on system with ATU or without > ATU) system continues with legacy IOMMU. > So I think log message only when ATU is registered successfully. Please submit this formally. Thank you. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html