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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. Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Reviewed-by: Nathan Lynch <nathanl@linux.ibm.com> [mpe: Drop doc-comment syntax, change RTAS/DT to lower case, use of_root to fix missing of_node_put(), use of_property_read_string()] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220106161339.74656-1-ldufour@linux.ibm.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.