From 0f74a24c59b814c1c8085251cbea48d339f0c7c6 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 20 Nov 2007 23:01:14 +0200 Subject: KVM: Add statistic for remote tlb flushes Signed-off-by: Avi Kivity --- drivers/kvm/kvm_main.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/kvm/kvm_main.c') 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); } -- cgit v1.2.3-59-g8ed1b