On 04/22/2013 07:24 PM, Benjamin Herrenschmidt wrote: > On Mon, 2013-04-22 at 13:41 -0500, Nathan Fontenot wrote: >> From: Jesse Larrew <jlar...@linux.vnet.ibm.com> >> >> Platform events such as partition migration or the new PRRN firmware >> feature can cause the NUMA characteristics of a CPU to change, and these >> changes will be reflected in the device tree nodes for the affected >> CPUs. >> >> This patch registers a handler for Open Firmware device tree updates >> and reconfigures the CPU and node maps whenever the associativity >> changes. Currently, this is accomplished by marking the affected CPUs in >> the cpu_associativity_changes_mask and allowing >> arch_update_cpu_topology() to retrieve the new associativity information >> using hcall_vphn(). >> >> Protecting the NUMA cpu maps from concurrent access during an update >> operation will be addressed in a subsequent patch in this series. > > I see no more mention of stop_machine() ... is the patch subject stale ? >
Nope, just me mistakenly putting the wrong subject for this patch. I'll correct it in the next version. -Nathan _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
