Laurent Dufour <lduf...@linux.ibm.com> writes: > On 07/12/2021, 18:11:09, Laurent Dufour wrote: >> The LPAR name may be changed after the LPAR has been started in the HMC. >> In that case lparstat command is not reporting the updated value because it >> reads it from the device tree which is read at boot time. >> >> However this value could be read from RTAS. >> >> Adding this value in the /proc/powerpc/lparcfg output allows to read the >> updated value. > > Do you consider taking that patch soon?
This version prints an error on non-PowerVM guests the first time lparcfg is read. And I still contend that having this function fall back to reporting the partition name in the DT would provide a beneficial consistency in the user-facing API, allowing programs to avoid hypervisor-specific branches in their code. I don't understand the resistance I've encountered here. The fallback I'm suggesting (a root node property lookup) is certainly not more complex than the RTAS call sequence you've already implemented.
