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

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Date:   Thu, 19 Oct 2017 15:48:23 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Bringmann <mwb@...ux.vnet.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
        Michael Bringmann <mwb@...ux.vnet.ibm.com>,
        John Allen <jallen@...ux.vnet.ibm.com>
Subject: Re: [V14,1/4] powerpc/vphn: Update CPU topology when VPHN enabled

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@...ux.vnet.ibm.com>

Series applied to powerpc next, thanks.

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

cheers