Messages in this thread | | | From | Nathan Lynch <> | Subject | Re: [PATCH v5] powerpc/pseries: read the lpar name from the firmware | Date | Thu, 06 Jan 2022 15:13:44 -0600 |
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Laurent Dufour <ldufour@linux.ibm.com> writes: > 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. > > However the hypervisor, like Qemu/KVM, may not support this RTAS > parameter. In that case the value reported in lparcfg is read from the > device tree and so is not updated accordingly. > > Cc: Nathan Lynch <nathanl@linux.ibm.com> > Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com> > --- > v5: > fallback to the device tree value if RTAS is not providing the value. > v4: > address Nathan's new comments limiting size of the buffer. > v3: > address Michael's comments. > v2: > address Nathan's comments. > change title to partition_name aligning with existing partition_id
Thanks Laurent.
Reviewed-by: Nathan Lynch <nathanl@linux.ibm.com>
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