On Tue, 2018-10-09 at 20:12:14 UTC, Michael Bringmann wrote: > The PPC mobility code may receive RTAS requests to perform PRRN > topology changes at any time, including during LPAR migration > operations. In some configurations where the affinity of CPUs > or memory is being changed on that platform, the PRRN requests > may apply or refer to outdated information prior to the complete > update of the device-tree. This patch changes the duration for > which topology updates are suppressed during LPAR migrations from > just the rtas_ibm_suspend_me / 'ibm,suspend-me' call(s) to cover > the entire 'migration_store' operation to allow all changes to > the device-tree to be applied prior to accepting and applying any > PRRN requests. > > For tracking purposes, pr_info notices are added to the functions > start_topology_update() and stop_topology_update() of 'numa.c'. > > Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com> > Reviewed-by: Nathan Fontenot <nf...@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/65b9fdadfc4d87e2577b791fb3495c cheers
