---

yaml --- r: 362754 b: refs/heads/master c: 7918c92 h: refs/heads/master v: v3
git-mirror · Apr 16, 2013 · 7e2b63e · 7e2b63e
1 parent 5b94437
commit 7e2b63e
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 66ff0fe9e7bda8aec99985b24daad03652f7304e
+refs/heads/master: 7918c92ae9638eb8a6ec18e2b4a0de84557cccc8
diff --git a/trunk/arch/x86/xen/enlighten.c b/trunk/arch/x86/xen/enlighten.c
@@ -1641,8 +1641,11 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self,
 	switch (action) {
 	case CPU_UP_PREPARE:
 		xen_vcpu_setup(cpu);
-		if (xen_have_vector_callback)
+		if (xen_have_vector_callback) {
 			xen_init_lock_cpu(cpu);
+			if (xen_feature(XENFEAT_hvm_safe_pvclock))
+				xen_setup_timer(cpu);
+		}
 		break;
 	default:
 		break;

diff --git a/trunk/arch/x86/xen/time.c b/trunk/arch/x86/xen/time.c
@@ -497,7 +497,11 @@ static void xen_hvm_setup_cpu_clockevents(void)
 {
 	int cpu = smp_processor_id();
 	xen_setup_runstate_info(cpu);
-	xen_setup_timer(cpu);
+	/*
+	 * xen_setup_timer(cpu) - snprintf is bad in atomic context. Hence
+	 * doing it xen_hvm_cpu_notify (which gets called by smp_init during
+	 * early bootup and also during CPU hotplug events).
+	 */
 	xen_setup_cpu_clockevents();
 }