On Wed, Jul 24, 2013 at 10:00:05AM -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. > > Signed-off-by: Robert Jennings <r...@linux.vnet.ibm.com> > --- > cpu_sibling_mask is now defined for UP which fixes that build break. > --- > arch/powerpc/include/asm/smp.h | 4 +++ > arch/powerpc/mm/numa.c | 59 > +++++++++++++++++++++++++++++++----------- > 2 files changed, 48 insertions(+), 15 deletions(-)
<formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read Documentation/stable_kernel_rules.txt for how to do this properly. </formletter> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
