On Thu, 2017-11-23 at 12:05 +0100, Christophe Lombard wrote: > The POWER9 core supports a new feature: ASB_Notify which requires the > support of the Special Purpose Register: TIDR. > > The ASB_Notify command, generated by the AFU, will attempt to > wake-up the host thread identified by the particular LPID:PID:TID. > > This patch assign a unique TIDR (thread id) for the current thread which > will be used in the process element entry.
Is that keyd off some device-tree property or similar ? There is no guarantee that the TIDR and ASB_Notify still exist on future chips... Ben.
