One of the patches was doubled and sent twice yesterday. Will update number regardless in future.
On 06/21/2017 04:54 AM, Michael Ellerman wrote: > Michael Bringmann <m...@linux.vnet.ibm.com> writes: > >> On Power systems with shared configurations of CPUs and memory, there >> are some issues with association of additional CPUs and memory to nodes >> when hot-adding resources. These patches address some of those problems. >> >> powerpc/hotplug: On systems like PowerPC which allow 'hot-add' of CPU >> or memory resources, it may occur that the new resources are to be >> inserted into nodes that were not used for these resources at bootup. >> In the kernel, any node that is used must be defined and initialized >> at boot. In order to meet both needs, this patch adds a new kernel >> command line option (numnodes=<int>) for use by the PowerPC >> architecture-specific code that defines the maximum number of nodes >> that the kernel will ever need in its current hardware environment. >> The boot code that initializes nodes for PowerPC will read this value >> and use it to ensure that all of the desired nodes are setup in the >> 'node_possible_map', and elsewhere. >> >> powerpc/numa: Correct the currently broken capability to set the >> topology for shared CPUs in LPARs. At boot time for shared CPU >> lpars, the topology for each shared CPU is set to node zero, however, >> this is now updated correctly using the Virtual Processor Home Node >> (VPHN) capabilities information provided by the pHyp. The VPHN handling >> in Linux is disabled, if PRRN handling is present. >> >> Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com> >> >> Michael Bringmann (2): >> powerpc/hotplug: Add option to define max nodes allowing dynamic >> growth of resources. >> powerpc/numa: Update CPU topology when VPHN enabled >> --- >> Changes in V6: >> -- Reorder some code to better eliminate unused functions in >> conditional builds. > > What changed between yesterday's V6 and this V6? > > If you're going to resend, please bump the version number, we have tools > that parse the subject and version, and resending multiple times with > the same number breaks those. > > cheers > > -- Michael W. Bringmann Linux Technology Center IBM Corporation Tie-Line 363-5196 External: (512) 286-5196 Cell: (512) 466-0650 m...@linux.vnet.ibm.com
