[Xen-changelog] [xen-unstable] [XEN] Scheduler pings only CPUs in a VCPU's affinity mask to balance load.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 6ca1a8ebfdf41bb595a8cc87c95885b601bd2f20
# Parent  fc8ae086f7061ebd092162ddb93e54e8964fce55
[XEN] Scheduler pings only CPUs in a VCPU's affinity mask to balance load.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/common/sched_credit.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r fc8ae086f706 -r 6ca1a8ebfdf4 xen/common/sched_credit.c
--- a/xen/common/sched_credit.c Fri Sep 15 11:07:25 2006 +0100
+++ b/xen/common/sched_credit.c Fri Sep 15 11:17:26 2006 +0100
@@ -290,6 +290,7 @@ __runq_tickle(unsigned int cpu, struct c
         {
             CSCHED_STAT_CRANK(tickle_idlers_some);
             cpus_or(mask, mask, csched_priv.idlers);
+            cpus_and(mask, mask, new->vcpu->cpu_affinity);
         }
     }
 
@@ -1001,6 +1002,7 @@ csched_load_balance(int cpu, struct csch
         }
         else if ( is_idle_vcpu(per_cpu(schedule_data, peer_cpu).curr) )
         {
+            CSCHED_STAT_CRANK(steal_peer_idle);
             speer = NULL;
         }
         else

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