On Thu, 21 Apr 2016 16:15:05 +0200 Greg Kurz <gkurz@xxxxxxxxxxxxxxxxxx> wrote: > Commit c896939f7cff ("KVM: use heuristic for fast VCPU lookup by id") added > a return path that prevents vcpu ids to exceed KVM_MAX_VCPUS. This is a > problem for powerpc where vcpu ids can grow up to 8*KVM_MAX_VCPUS. > > This patch simply reverses the logic so that we only try fast path if the > vcpu id can be tried as an index in kvm->vcpus[]. The slow path is not > affected by the change. > > Signed-off-by: Greg Kurz <gkurz@xxxxxxxxxxxxxxxxxx> > --- > include/linux/kvm_host.h | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) Reviewed-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>