On 08/03/2017 03:13 AM, Meng Xu wrote: > When more than one idle VCPUs that have the same PCPU as their > previous running core invoke runq_tickle(), they will tickle the same > PCPU. The tickled PCPU will only pick at most one VCPU, i.e., the > highest-priority one, to execute. The other VCPUs will not be > scheduled for a period, even when there is an idle core, making these > VCPUs unnecessarily starve for one period. > > Therefore, always make sure that we only tickle PCPUs that have not > been tickled already. > > Signed-off-by: Haoran Li <naroah...@gmail.com> > Signed-off-by: Meng Xu <men...@cis.upenn.edu> > Reviewed-by: Dario Faggioli <dario.faggi...@citrix.com>
Committed. -George _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
