diff options
Diffstat (limited to 'drivers/kvm/kvm_main.c')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 7939b5c9a4b4..aec6b67cfebb 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -115,6 +115,9 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) if (cpu != -1 && cpu != raw_smp_processor_id()) cpu_set(cpu, cpus); } + if (cpus_empty(cpus)) + return; + ++kvm->stat.remote_tlb_flush; smp_call_function_mask(cpus, ack_flush, NULL, 1); } |