On Tue, 2013-07-23 at 07:33 -0500, Robert Jennings wrote: > When an associativity level change is found for one thread, the > siblings threads need to be updated as well. This is done today > for PRRN in stage_topology_update() but is missing for VPHN in > update_cpu_associativity_changes_mask(). > > All threads should be updated to move to the new node. Without this > patch, a single thread may be flagged for a topology change, leaving it > in a different node from its siblings, which is incorrect. This causes > problems for the scheduler where overlapping scheduler groups are created > and a loop is formed in those groups. > > Reported-by: Jan Stancek <jstancek@xxxxxxxxxx> > Signed-off-by: Robert Jennings <rcj@xxxxxxxxxxxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> Patch breaks the UP build ... Cheers, Ben. -- 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