Jan Beulich
2011-Mar-14 17:04 UTC
[Xen-devel] [PATCH 1/3] _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> --- a/xen/common/sched_credit.c +++ b/xen/common/sched_credit.c @@ -530,6 +531,7 @@ _csched_cpu_pick(const struct scheduler || ( !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; _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel