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authorJan Beulich <jbeulich@novell.com>2011-03-14 17:21:52 +0000
committerJan Beulich <jbeulich@novell.com>2011-03-14 17:21:52 +0000
commitb4e1e7763361a95a0863056e87397f2cc32407cd (patch)
treef20cba844169b3db334bccda0ba48130cfc01a41
parent6f13d1ec5bbd83f174c9a0081d36a54aac597caa (diff)
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_csched_cpu_pick(): don't return CPUs outside vCPU's affinity mask
This fixes a fairly blatant bug I introduced in c/s 20377:cff23354d026 - I wonder how this went unnoticed for so long. Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 23039:c40da47621d8 xen-unstable date: Mon Mar 14 17:19:22 2011 +0000
-rw-r--r--xen/common/sched_credit.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/xen/common/sched_credit.c b/xen/common/sched_credit.c
index 269bfeb149..243baee94d 100644
--- a/xen/common/sched_credit.c
+++ b/xen/common/sched_credit.c
@@ -451,6 +451,7 @@ _csched_cpu_pick(struct vcpu *vc, bool_t commit)
|| ( !sched_smt_power_savings
&& (weight_cpu * migrate_factor < weight_nxt) ) )
{
+ cpus_and(nxt_idlers, cpus, nxt_idlers);
cpu = cycle_cpu(CSCHED_PCPU(nxt)->idle_bias, nxt_idlers);
if ( commit )
CSCHED_PCPU(nxt)->idle_bias = cpu;