Nathan Fontenot <nf...@austin.ibm.com> writes: > version 2 of the patch set with updates from comments. > > The Dynamic Logical Partitioning (DLPAR) capabilities of the powerpc pseries > platform allows for the addition and removal of resources (i.e. cpus, > memory, pci devices) from a partition. The removal of a resource involves > removing the resource's node from the device tree and then returning the > resource to firmware via the rtas set-indicator call. To add a resource, it > is first obtained from firmware via the rtas set-indicator call and then a > new device tree node is created using the ibm,configure-coinnector rtas call > and added to the device tree. > > The following set of patches implements the needed infrastructure to have the > kernel handle the DLPAR addition and removal of cpus (other DLPAR'able items > to > follow in future patches). The framework for this is to create a set of > probe/release sysfs files that will facilitate arch-specific call-outs to > handle > addition and removal of cpus to the system.
How does this differ from /sys/devices/system/cpu/cpuX/online ? >From the descriptions it appears that we already have what you are trying to add and you just need to tie it into DLPAR on ppc. Eric _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
