Re: [V14,1/4] powerpc/vphn: Update CPU topology when VPHN enabled

From: Michael Ellerman
Date: Thu Oct 19 2017 - 00:49:08 EST


On Fri, 2017-09-08 at 20:47:27 UTC, Michael Bringmann wrote:
> powerpc/vphn: On Power systems with shared configurations of CPUs
> and memory, there are some issues with the association of additional
> CPUs and memory to nodes when hot-adding resources. This patch
> corrects the currently broken capability to set the topology for
> shared CPUs in LPARs. At boot time for shared CPU lpars, the
> topology for each CPU was being set to node zero. Now when
> numa_update_cpu_topology() is called appropriately, the Virtual
> Processor Home Node (VPHN) capabilities information provided by the
> pHyp allows the appropriate node in the shared configuration to be
> selected for the CPU.
>
> Signed-off-by: Michael Bringmann <mwb@xxxxxxxxxxxxxxxxxx>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/17f444c0549f2ce037646871e748cf

cheers