On 05/05/2015 12:53 PM, Tyrel Datwyler wrote: > From: Tyrel Datwyler <tyreld@xxxxxxxxxxxxxxxxxx> > > The suspend call paths for hibernation and migration operations call > stop_topology_update() and start_topology_update() respectively prior to > suspending the LPAR and upon resume. Topology updating can be > enabled/disabled from userspace and no check is currently done to determine > the current policy. This results in topology updates being started upon > resume from hibernation/migration even in the case where topology updates > were disabled initially. > > This fixes the issue by storing the current policy and only calling > start_topology_update() in the case where either PRRN/VPHN were enabled to > start with. > > Fixes: e04fa61214a3 (powerpc/pseries: Add /proc interface to control topology updates) > > Signed-off-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxxxxxxx> > Cc: Nathan Fontenot <nfont@xxxxxxxxxxxxxxxxxx> > Cc: Nishanth Aravamudan <nacc@xxxxxxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Nathan Fontenot <nfont@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html