---

yaml --- r: 80767 b: refs/heads/master c: 0f74a24 h: refs/heads/master i: 80765: 8d2f52e 80763: 892b4ea 80759: 4ea904b 80751: 77b0903 80735: 0769b93 80703: 4dee9ca 80639: 4ec94cc v: v3
git-mirror · Jan 30, 2008 · e8ec969 · e8ec969
1 parent 1f0fc33
commit e8ec969
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Showing 4 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e5a4c8cad952d6e060991841f3632578ab3ae133
+refs/heads/master: 0f74a24c59b814c1c8085251cbea48d339f0c7c6
diff --git a/trunk/drivers/kvm/kvm.h b/trunk/drivers/kvm/kvm.h
@@ -300,6 +300,7 @@ struct kvm_vm_stat {
 	u32 mmu_pde_zapped;
 	u32 mmu_flooded;
 	u32 mmu_recycled;
+	u32 remote_tlb_flush;
 };
 
 struct kvm {

diff --git a/trunk/drivers/kvm/kvm_main.c b/trunk/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);
 }
 

diff --git a/trunk/drivers/kvm/x86.c b/trunk/drivers/kvm/x86.c
@@ -73,6 +73,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "mmu_pde_zapped", VM_STAT(mmu_pde_zapped) },
 	{ "mmu_flooded", VM_STAT(mmu_flooded) },
 	{ "mmu_recycled", VM_STAT(mmu_recycled) },
+	{ "remote_tlb_flush", VM_STAT(remote_tlb_flush) },
 	{ NULL }
 };